Colossus 2026b now available

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MartinBryant
Posts: 96
Joined: Thu Nov 21, 2013 12:37 am
Location: Manchester, UK
Full name: Martin Bryant

Colossus 2026b now available

Post by MartinBryant »

I have just released an updated version of my Colossus Chess engine on my website at http://www.colossusgames.co.uk

My tests indicate an improvement of about 45 ELO over the previous version.
Changes include bug fixes, optimisations, tuning, better use of time (especially with increment), passed pawn extensions.

In previous versions the only special hardware instruction used was POPCNT which was introduced c. 2008
This version uses POPCNT (c. 2008), LZCNT and TZCNT (c.2013) instructions.
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SSTATHIS
Posts: 64
Joined: Tue Jun 22, 2010 7:55 pm

Re: Colossus 2026b now available

Post by SSTATHIS »

Great news!
I have Colossus from ZX Spectrum days!
Thanks Martin!
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MartinBryant
Posts: 96
Joined: Thu Nov 21, 2013 12:37 am
Location: Manchester, UK
Full name: Martin Bryant

Re: Colossus 2026b now available

Post by MartinBryant »

SSTATHIS wrote: ↑Sun Sep 20, 2026 8:58 pm Great news!
I have Colossus from ZX Spectrum days!
Thanks Martin!
Ahhh... the joy of converting thousands of lines of 6502 assembler to Z80 assembler! :D :D :D
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chessica
Posts: 1146
Joined: Thu Aug 11, 2022 11:30 pm
Full name: Esmeralda Pinto

Re: Colossus 2026b now available

Post by chessica »

Code: Select all

#  Name                           Points     %     Elo     +/-   W-L-D                          1     2     3     4     5     6     7     8     9     10    11    12    13    14    15    16    17    18    19    20    21    22    23    24     25    26     27    28     29     30     31     32     33     34     35     36     37     38     39     40     41     42     43     44     45     46     47     48     49     50     51     
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 1 Stockfish 19                   405.5/500  81.1  +253.0  24.2  +311-0=189                           50.0% 55.0% 55.0% 55.0% 50.0% 55.0% 50.0% 50.0% 55.0% 60.0% 65.0% 60.0% 60.0% 60.0% 60.0% 70.0% 70.0% 70.0% 75.0% 85.0% 80.0% 70.0% 85.0%  80.0% 95.0%  90.0% 90.0%  95.0%  95.0%  90.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 2 Stockfish 18                   405.0/500  81.0  +251.9  24.1  +310-0=190                     50.0%       50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 65.0% 55.0% 65.0% 50.0% 60.0% 70.0% 70.0% 80.0% 75.0% 65.0% 70.0% 80.0% 65.0% 85.0% 80.0%  90.0% 90.0%  95.0% 90.0%  90.0%  95.0%  90.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 90.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 3 Revolution-5.90-140626         405.0/500  81.0  +251.9  24.5  +312-2=186                     45.0% 50.0%       50.0% 45.0% 50.0% 55.0% 50.0% 50.0% 50.0% 50.0% 55.0% 60.0% 55.0% 60.0% 70.0% 50.0% 70.0% 75.0% 80.0% 85.0% 95.0% 85.0% 80.0%  85.0% 100.0% 95.0% 85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
 4 Reckless 0.10.0-dev            403.0/500  80.6  +247.4  24.0  +307-1=192                     45.0% 50.0% 50.0%       50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 55.0% 65.0% 55.0% 70.0% 60.0% 70.0% 75.0% 65.0% 80.0% 80.0% 90.0% 90.0% 90.0%  85.0% 85.0%  80.0% 95.0%  85.0%  85.0%  95.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 5 Reckless 0.9.0                 402.5/500  80.5  +246.3  23.9  +306-1=193                     45.0% 50.0% 55.0% 50.0%       50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 55.0% 55.0% 75.0% 65.0% 65.0% 60.0% 75.0% 70.0% 75.0% 70.0% 85.0% 75.0% 90.0%  90.0% 85.0%  85.0% 95.0%  100.0% 100.0% 100.0% 95.0%  90.0%  95.0%  90.0%  100.0% 100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 6 Cool Iris 16                   401.0/500  80.2  +243.0  23.5  +302-0=198                     50.0% 50.0% 50.0% 50.0% 50.0%       50.0% 50.0% 50.0% 50.0% 50.0% 60.0% 55.0% 65.0% 75.0% 60.0% 60.0% 70.0% 80.0% 70.0% 80.0% 70.0% 85.0% 85.0%  85.0% 90.0%  85.0% 90.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 7 Coda 0.9.4                     396.5/500  79.3  +233.3  23.8  +298-5=197                     45.0% 45.0% 45.0% 50.0% 50.0% 50.0%       45.0% 50.0% 50.0% 55.0% 55.0% 45.0% 60.0% 65.0% 55.0% 65.0% 60.0% 70.0% 70.0% 85.0% 85.0% 85.0% 90.0%  85.0% 95.0%  90.0% 75.0%  100.0% 100.0% 95.0%  90.0%  95.0%  100.0% 100.0% 95.0%  95.0%  95.0%  95.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 8 Rems M-091024                  396.0/500  79.2  +232.3  23.0  +293-1=206                     50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 55.0%       50.0% 55.0% 50.0% 50.0% 65.0% 55.0% 55.0% 55.0% 70.0% 55.0% 65.0% 85.0% 85.0% 75.0% 85.0% 90.0%  75.0% 95.0%  80.0% 80.0%  85.0%  95.0%  90.0%  90.0%  100.0% 100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 
 9 PlentyChess 8.0.0              393.5/500  78.7  +227.0  22.7  +288-1=211                     50.0% 50.0% 50.0% 45.0% 50.0% 50.0% 50.0% 50.0%       50.0% 55.0% 50.0% 50.0% 65.0% 65.0% 55.0% 50.0% 60.0% 60.0% 65.0% 75.0% 65.0% 85.0% 85.0%  90.0% 100.0% 85.0% 85.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
10 Obsidian dev-16.08             393.0/500  78.6  +226.0  23.4  +291-5=204                     45.0% 35.0% 50.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0%       50.0% 55.0% 50.0% 60.0% 60.0% 60.0% 55.0% 60.0% 60.0% 75.0% 75.0% 80.0% 85.0% 80.0%  80.0% 90.0%  95.0% 80.0%  90.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
11 PlentyChess 7.0.26             392.5/500  78.5  +225.0  23.3  +290-5=205                     40.0% 45.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 45.0% 50.0%       50.0% 50.0% 60.0% 50.0% 55.0% 55.0% 70.0% 65.0% 60.0% 85.0% 70.0% 80.0% 100.0% 85.0% 85.0%  90.0% 95.0%  100.0% 95.0%  95.0%  100.0% 90.0%  100.0% 100.0% 85.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
12 Tarnished v6.0 (Eternal)       388.5/500  77.7  +216.8  24.1  +290-13=197                    35.0% 35.0% 45.0% 45.0% 45.0% 40.0% 45.0% 50.0% 50.0% 45.0% 50.0%       50.0% 60.0% 55.0% 55.0% 55.0% 60.0% 70.0% 70.0% 65.0% 90.0% 80.0% 85.0%  85.0% 70.0%  90.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 95.0%  100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
13 Berserk 14                     384.5/500  76.9  +208.9  23.7  +283-14=203                    40.0% 50.0% 40.0% 35.0% 45.0% 45.0% 55.0% 35.0% 50.0% 50.0% 50.0% 50.0%       55.0% 55.0% 45.0% 50.0% 65.0% 60.0% 80.0% 65.0% 70.0% 80.0% 80.0%  90.0% 85.0%  85.0% 90.0%  100.0% 95.0%  85.0%  90.0%  90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
14 Viridithas 20.0.0-dev          374.0/500  74.8  +189.0  24.5  +277-29=194                    40.0% 40.0% 45.0% 45.0% 25.0% 35.0% 40.0% 45.0% 35.0% 40.0% 40.0% 40.0% 45.0%       60.0% 55.0% 50.0% 70.0% 60.0% 75.0% 55.0% 80.0% 70.0% 90.0%  80.0% 90.0%  70.0% 85.0%  95.0%  90.0%  90.0%  90.0%  100.0% 90.0%  100.0% 100.0% 100.0% 90.0%  95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
15 RubiChess 20240817 (avx512)    369.5/500  73.9  +180.8  24.6  +273-34=193                    40.0% 30.0% 40.0% 30.0% 35.0% 25.0% 35.0% 45.0% 35.0% 40.0% 50.0% 45.0% 45.0% 40.0%       50.0% 50.0% 60.0% 55.0% 65.0% 65.0% 75.0% 75.0% 85.0%  75.0% 85.0%  85.0% 95.0%  90.0%  90.0%  85.0%  95.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
16 Igel 3.7.0 64 POPCNT AVX2      366.0/500  73.2  +174.6  23.2  +259-27=214                    40.0% 30.0% 30.0% 40.0% 35.0% 40.0% 45.0% 45.0% 45.0% 40.0% 45.0% 45.0% 55.0% 45.0% 50.0%       60.0% 55.0% 55.0% 60.0% 60.0% 75.0% 70.0% 75.0%  70.0% 85.0%  80.0% 80.0%  90.0%  100.0% 80.0%  90.0%  95.0%  95.0%  100.0% 90.0%  95.0%  100.0% 95.0%  90.0%  100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
17 RubiChess 20240817 (avx2)      362.5/500  72.5  +168.4  23.6  +258-33=209                    30.0% 20.0% 50.0% 30.0% 40.0% 40.0% 35.0% 30.0% 50.0% 45.0% 45.0% 45.0% 50.0% 50.0% 50.0% 40.0%       45.0% 60.0% 75.0% 55.0% 75.0% 65.0% 70.0%  75.0% 85.0%  90.0% 80.0%  95.0%  100.0% 90.0%  85.0%  90.0%  90.0%  100.0% 90.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
18 Chess System Tal 2.06 E1019    354.0/500  70.8  +153.9  24.7  +259-51=190                    30.0% 25.0% 30.0% 25.0% 25.0% 30.0% 40.0% 45.0% 40.0% 40.0% 30.0% 40.0% 35.0% 30.0% 40.0% 45.0% 55.0%       55.0% 70.0% 50.0% 65.0% 60.0% 75.0%  85.0% 80.0%  80.0% 80.0%  85.0%  90.0%  95.0%  100.0% 90.0%  95.0%  95.0%  95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
19 Rebel 16.3a                    351.5/500  70.3  +149.7  24.5  +255-52=193                    30.0% 35.0% 25.0% 35.0% 30.0% 20.0% 30.0% 35.0% 40.0% 40.0% 35.0% 30.0% 40.0% 40.0% 45.0% 45.0% 40.0% 45.0%       65.0% 65.0% 75.0% 70.0% 70.0%  75.0% 65.0%  70.0% 70.0%  85.0%  95.0%  100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
20 Alexander 7                    324.5/500  64.9  +106.8  25.0  +236-87=177                    25.0% 30.0% 20.0% 20.0% 25.0% 30.0% 30.0% 15.0% 35.0% 25.0% 40.0% 30.0% 20.0% 25.0% 35.0% 40.0% 25.0% 30.0% 35.0%       45.0% 55.0% 55.0% 65.0%  65.0% 70.0%  70.0% 90.0%  70.0%  95.0%  90.0%  95.0%  85.0%  90.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
21 Maverick NNUE 1.0a             321.5/500  64.3  +102.2  24.8  +231-88=181                    15.0% 20.0% 15.0% 20.0% 30.0% 20.0% 15.0% 15.0% 25.0% 25.0% 15.0% 35.0% 35.0% 45.0% 35.0% 40.0% 45.0% 50.0% 35.0% 55.0%       55.0% 65.0% 55.0%  65.0% 90.0%  70.0% 70.0%  80.0%  85.0%  75.0%  100.0% 85.0%  95.0%  95.0%  90.0%  100.0% 95.0%  80.0%  95.0%  100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
22 Shredder Classic 6             308.5/500  61.7   +82.8  25.6  +229-112=159                   20.0% 35.0% 5.0%  10.0% 15.0% 30.0% 15.0% 25.0% 35.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 25.0% 25.0% 35.0% 25.0% 45.0% 45.0%       45.0% 60.0%  60.0% 70.0%  70.0% 80.0%  85.0%  90.0%  85.0%  90.0%  85.0%  100.0% 90.0%  90.0%  90.0%  95.0%  100.0% 100.0% 95.0%  100.0% 90.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 
23 Willow 4.0                     304.5/500  60.9   +77.0  25.6  +226-117=157                   30.0% 15.0% 15.0% 10.0% 25.0% 15.0% 15.0% 15.0% 15.0% 15.0% 20.0% 20.0% 20.0% 30.0% 25.0% 30.0% 35.0% 40.0% 30.0% 45.0% 35.0% 55.0%       55.0%  40.0% 50.0%  65.0% 75.0%  80.0%  90.0%  90.0%  90.0%  95.0%  100.0% 100.0% 85.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  
24 Winter 4.0 JA BMI2             288.5/500  57.7   +53.9  26.0  +218-141=141                   15.0% 20.0% 20.0% 10.0% 10.0% 15.0% 10.0% 10.0% 15.0% 20.0% 0.0%  15.0% 20.0% 10.0% 15.0% 25.0% 30.0% 25.0% 30.0% 35.0% 45.0% 40.0% 45.0%        50.0% 65.0%  65.0% 70.0%  90.0%  70.0%  90.0%  90.0%  90.0%  85.0%  90.0%  90.0%  85.0%  95.0%  100.0% 95.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
25 Cheng 4.48a (bundled)          286.5/500  57.3   +51.1  25.7  +212-139=149                   20.0% 10.0% 15.0% 15.0% 10.0% 15.0% 15.0% 25.0% 10.0% 20.0% 15.0% 15.0% 10.0% 20.0% 25.0% 30.0% 25.0% 15.0% 25.0% 35.0% 35.0% 40.0% 60.0% 50.0%        45.0%  50.0% 80.0%  65.0%  85.0%  80.0%  95.0%  85.0%  85.0%  90.0%  100.0% 85.0%  95.0%  95.0%  100.0% 100.0% 90.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
26 Houdidit 6.03 Pro x64          273.0/500  54.6   +32.1  26.4  +209-163=128                   5.0%  10.0% 0.0%  15.0% 15.0% 10.0% 5.0%  5.0%  0.0%  10.0% 15.0% 30.0% 15.0% 10.0% 15.0% 15.0% 15.0% 20.0% 35.0% 30.0% 10.0% 30.0% 50.0% 35.0%  55.0%        60.0% 75.0%  75.0%  80.0%  75.0%  85.0%  80.0%  95.0%  80.0%  100.0% 90.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 
27 Komodo 14.1 64-bit             271.0/500  54.2   +29.3  25.9  +200-158=142                   10.0% 5.0%  5.0%  20.0% 15.0% 15.0% 10.0% 20.0% 15.0% 5.0%  10.0% 10.0% 15.0% 30.0% 15.0% 20.0% 10.0% 20.0% 30.0% 30.0% 30.0% 30.0% 35.0% 35.0%  50.0% 40.0%        80.0%  70.0%  75.0%  75.0%  75.0%  85.0%  75.0%  100.0% 85.0%  90.0%  100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
28 EveAnn 5.0 64-bit (bundled)    238.5/500  47.7   -16.0  26.4  +175-198=127                   10.0% 10.0% 15.0% 5.0%  5.0%  10.0% 25.0% 20.0% 15.0% 20.0% 5.0%  0.0%  10.0% 15.0% 5.0%  20.0% 20.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 30.0%  20.0% 25.0%  20.0%        60.0%  65.0%  80.0%  60.0%  55.0%  65.0%  80.0%  70.0%  95.0%  90.0%  85.0%  85.0%  95.0%  85.0%  95.0%  85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
29 Myrddin 0.96                   220.0/500  44.0   -41.9  27.3  +168-228=104  [1 illegal move] 5.0%  10.0% 5.0%  15.0% 0.0%  10.0% 0.0%  15.0% 10.0% 10.0% 0.0%  0.0%  0.0%  5.0%  10.0% 10.0% 5.0%  15.0% 15.0% 30.0% 20.0% 15.0% 20.0% 10.0%  35.0% 25.0%  30.0% 40.0%         60.0%  40.0%  80.0%  85.0%  75.0%  45.0%  75.0%  85.0%  80.0%  85.0%  90.0%  75.0%  90.0%  80.0%  100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 
30 Fable 5.1                      208.5/500  41.7   -58.2  28.3  +169-252=79                    5.0%  5.0%  0.0%  15.0% 0.0%  5.0%  0.0%  5.0%  5.0%  5.0%  5.0%  0.0%  5.0%  10.0% 10.0% 0.0%  0.0%  10.0% 5.0%  5.0%  15.0% 10.0% 10.0% 30.0%  15.0% 20.0%  25.0% 35.0%  40.0%         55.0%  80.0%  60.0%  55.0%  75.0%  85.0%  85.0%  75.0%  70.0%  90.0%  100.0% 85.0%  95.0%  95.0%  85.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
31 IsaBB NN 4.5 (avx2, bundled)   208.0/500  41.6   -58.9  27.4  +156-240=104                   10.0% 10.0% 0.0%  5.0%  0.0%  10.0% 5.0%  10.0% 10.0% 5.0%  5.0%  5.0%  15.0% 10.0% 15.0% 20.0% 10.0% 5.0%  0.0%  10.0% 25.0% 15.0% 10.0% 10.0%  20.0% 25.0%  25.0% 20.0%  60.0%  45.0%         50.0%  45.0%  45.0%  80.0%  70.0%  85.0%  85.0%  90.0%  90.0%  75.0%  95.0%  95.0%  85.0%  85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  
32 Sable 1.6                      189.5/500  37.9   -85.8  28.6  +149-270=81                    0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  10.0% 10.0% 5.0%  0.0%  0.0%  0.0%  10.0% 10.0% 5.0%  10.0% 15.0% 0.0%  5.0%  5.0%  0.0%  10.0% 10.0% 10.0%  5.0%  15.0%  25.0% 40.0%  20.0%  20.0%  50.0%         65.0%  60.0%  60.0%  60.0%  75.0%  75.0%  95.0%  80.0%  85.0%  85.0%  85.0%  85.0%  90.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
33 Equinox 3.30 x64mp             183.5/500  36.7   -94.7  27.8  +130-263=107                   0.0%  5.0%  0.0%  10.0% 10.0% 0.0%  5.0%  0.0%  0.0%  5.0%  10.0% 0.0%  10.0% 0.0%  5.0%  5.0%  10.0% 10.0% 5.0%  15.0% 15.0% 15.0% 5.0%  10.0%  15.0% 20.0%  15.0% 45.0%  15.0%  40.0%  55.0%  35.0%         45.0%  45.0%  60.0%  60.0%  60.0%  85.0%  85.0%  75.0%  80.0%  90.0%  90.0%  85.0%  95.0%  95.0%  95.0%  100.0% 100.0% 100.0% 
34 Critter 1.6a 64-bit            183.5/500  36.7   -94.7  28.8  +143-276=81                    0.0%  10.0% 5.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  10.0% 5.0%  5.0%  10.0% 5.0%  0.0%  10.0% 5.0%  0.0%  0.0%  15.0%  15.0% 5.0%   25.0% 35.0%  25.0%  45.0%  55.0%  40.0%  55.0%         60.0%  55.0%  65.0%  80.0%  80.0%  95.0%  80.0%  70.0%  80.0%  90.0%  100.0% 95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 
35 Houdini 1.5a x64               168.0/500  33.6  -118.3  29.9  +136-300=64                    5.0%  0.0%  5.0%  0.0%  10.0% 0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  10.0% 5.0%  10.0% 0.0%  10.0%  10.0% 20.0%  0.0%  20.0%  55.0%  25.0%  20.0%  40.0%  55.0%  40.0%         60.0%  25.0%  60.0%  70.0%  95.0%  80.0%  80.0%  85.0%  85.0%  90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
36 OpenCritter v1.1.37            159.0/500  31.8  -132.5  28.9  +111-293=96                    0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  5.0%  5.0%  5.0%  5.0%  15.0% 5.0%  0.0%  0.0%  5.0%  10.0% 10.0% 5.0%  5.0%  5.0%  10.0% 10.0% 15.0% 10.0%  0.0%  0.0%   15.0% 30.0%  25.0%  15.0%  30.0%  40.0%  40.0%  45.0%  40.0%         50.0%  60.0%  65.0%  70.0%  65.0%  55.0%  75.0%  70.0%  70.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
37 ECE 26.8 Intuition HBuP        149.5/500  29.9  -148.0  30.6  +116-317=67                    5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  10.0% 0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  15.0%  15.0% 10.0%  10.0% 5.0%   15.0%  15.0%  15.0%  25.0%  40.0%  35.0%  75.0%  50.0%         55.0%  65.0%  75.0%  70.0%  90.0%  80.0%  65.0%  70.0%  85.0%  80.0%  100.0% 100.0% 95.0%  100.0% 
38 monty 1.0.0                    139.0/500  27.8  -165.8  31.5  +109-331=60                    10.0% 10.0% 0.0%  5.0%  5.0%  5.0%  5.0%  0.0%  0.0%  0.0%  10.0% 5.0%  5.0%  10.0% 0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  5.0%  5.0%  5.0%  5.0%   5.0%  5.0%   0.0%  10.0%  20.0%  25.0%  15.0%  25.0%  40.0%  20.0%  40.0%  40.0%  45.0%         55.0%  65.0%  60.0%  45.0%  100.0% 80.0%  55.0%  75.0%  90.0%  95.0%  90.0%  100.0% 95.0%  
39 Crafty 25.2.1                  129.5/500  25.9  -182.6  31.2  +91-332=77                     0.0%  5.0%  0.0%  5.0%  5.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  5.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  20.0% 0.0%  10.0% 0.0%   5.0%  5.0%   10.0% 15.0%  15.0%  30.0%  10.0%  5.0%   15.0%  20.0%  30.0%  35.0%  35.0%  45.0%         60.0%  60.0%  55.0%  50.0%  80.0%  60.0%  90.0%  95.0%  100.0% 95.0%  100.0% 95.0%  
40 Spike 1.4.2                    122.0/500  24.4  -196.5  32.0  +86-342=72                     0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  5.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  5.0%  0.0%  10.0% 5.0%  0.0%  5.0%  5.0%  5.0%  0.0%  0.0%  5.0%   0.0%  0.0%   0.0%  15.0%  10.0%  10.0%  10.0%  20.0%  15.0%  5.0%   5.0%   30.0%  25.0%  35.0%  40.0%         55.0%  55.0%  80.0%  60.0%  90.0%  95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  
41 Spike 1.4.1                    120.5/500  24.1  -199.3  32.6  +89-348=63                     0.0%  0.0%  0.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%   0.0%  5.0%   0.0%  5.0%   25.0%  0.0%   25.0%  15.0%  25.0%  20.0%  20.0%  35.0%  30.0%  40.0%  40.0%  45.0%         70.0%  50.0%  75.0%  80.0%  75.0%  100.0% 100.0% 100.0% 95.0%  100.0% 
42 Colossus Chess 2026b           118.0/500  23.6  -204.1  33.3  +91-355=54                     0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  5.0%  0.0%  5.0%  5.0%  0.0%  5.0%  0.0%  0.0%  10.0%  10.0% 0.0%   5.0%  15.0%  10.0%  15.0%  5.0%   15.0%  20.0%  30.0%  20.0%  45.0%  10.0%  55.0%  45.0%  45.0%  30.0%         60.0%  60.0%  85.0%  100.0% 80.0%  95.0%  90.0%  100.0% 95.0%  
43 Rybka 1.0 Beta                  97.5/500  19.5  -246.3  34.9  +68-373=59                     0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  0.0%   5.0%  0.0%   0.0%  5.0%   20.0%  5.0%   5.0%   15.0%  10.0%  20.0%  15.0%  25.0%  20.0%  0.0%   50.0%  20.0%  50.0%  40.0%         45.0%  40.0%  70.0%  80.0%  100.0% 95.0%  100.0% 100.0% 
44 Colossus 2025b                  96.0/500  19.2  -249.6  34.7  +64-372=64                     5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  5.0%  0.0%  5.0%  5.0%  0.0%   0.0%  0.0%   10.0% 15.0%  0.0%   5.0%   15.0%  15.0%  10.0%  10.0%  15.0%  30.0%  35.0%  20.0%  20.0%  40.0%  25.0%  40.0%  55.0%         30.0%  80.0%  95.0%  95.0%  95.0%  85.0%  85.0%  
45 Colossus Chess 2026a            95.5/500  19.1  -250.8  35.9  +72-381=47                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  10.0% 0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  0.0%  0.0%   5.0%  0.0%   0.0%  5.0%   0.0%   15.0%  15.0%  10.0%  15.0%  0.0%   10.0%  30.0%  30.0%  45.0%  40.0%  10.0%  20.0%  15.0%  60.0%  70.0%         75.0%  75.0%  100.0% 95.0%  85.0%  100.0% 
46 Euphron NEO 0.47                57.5/500  11.5  -354.5  45.1  +44-429=27                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%   0.0%  5.0%   0.0%  0.0%   5.0%   0.0%   5.0%   0.0%   5.0%   5.0%   0.0%   0.0%   15.0%  25.0%  10.0%  5.0%   25.0%  0.0%   30.0%  20.0%  25.0%         55.0%  90.0%  60.0%  95.0%  90.0%  
47 Pharaon 3.5.1                   44.0/500   8.8  -406.2  49.5  +29-441=30                     0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  5.0%   0.0%  0.0%   5.0%  0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   5.0%   0.0%   0.0%   20.0%  10.0%  5.0%   5.0%   0.0%   20.0%  20.0%  5.0%   25.0%  45.0%         65.0%  60.0%  50.0%  75.0%  
48 SOS 5 for Arena                 30.0/500   6.0  -478.0  61.4  +22-462=16       [1 time loss] 0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%   0.0%  0.0%   0.0%  0.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   5.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   5.0%   0.0%   10.0%  35.0%         75.0%  65.0%  75.0%  
49 Yace 0.99.87                    27.5/500   5.5  -494.0  63.4  +19-464=17                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%   0.0%  0.0%   0.0%  0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   10.0%  5.0%   0.0%   0.0%   10.0%  5.0%   5.0%   5.0%   40.0%  40.0%  25.0%         70.0%  50.0%  
50 Quark v2.35Paderborn            24.5/500   4.9  -515.2  68.3  +18-469=13                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%   5.0%  0.0%   0.0%  0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   15.0%  15.0%  5.0%   50.0%  35.0%  30.0%         70.0%  
51 PatzerUCI/FRC                   18.5/500   3.7  -566.2  78.7  +13-476=11                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%   0.0%  0.0%   0.0%  0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   5.0%   0.0%   5.0%   0.0%   15.0%  0.0%   10.0%  25.0%  25.0%  50.0%  30.0%         

12750/12750 games, 26% draws, time control:120+1, book:avt-2026b.pgn
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Andres Valverde
Posts: 622
Joined: Sun Feb 18, 2007 11:07 pm
Location: Almeria. SPAIN
Full name: Andres Valverde Toresano

Re: Colossus 2026b now available

Post by Andres Valverde »

MartinBryant wrote: ↑Sun Sep 20, 2026 3:15 pm I have just released an updated version of my Colossus Chess engine on my website at http://www.colossusgames.co.uk

My tests indicate an improvement of about 45 ELO over the previous version.
Changes include bug fixes, optimisations, tuning, better use of time (especially with increment), passed pawn extensions.

In previous versions the only special hardware instruction used was POPCNT which was introduced c. 2008
This version uses POPCNT (c. 2008), LZCNT and TZCNT (c.2013) instructions.
Thanks Martin, got it, but the page still says "2026a which is available from my OneDrive here" ...
Saludos, Andres
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Gabor Szots
Posts: 1605
Joined: Sat Jul 21, 2018 7:43 am
Location: Budapest, Hungary
Full name: Gabor Szots

Re: Colossus 2026b now available

Post by Gabor Szots »

Andres Valverde wrote: ↑Mon Sep 21, 2026 6:14 pm Thanks Martin, got it, but the page still says "2026a which is available from my OneDrive here" ...
I'd still download it if I were you, Andrés. :)
Gabor Szots
CCRL testing group
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MartinBryant
Posts: 96
Joined: Thu Nov 21, 2013 12:37 am
Location: Manchester, UK
Full name: Martin Bryant

Re: Colossus 2026b now available

Post by MartinBryant »

Andres Valverde wrote: ↑Mon Sep 21, 2026 6:14 pm
MartinBryant wrote: ↑Sun Sep 20, 2026 3:15 pm I have just released an updated version of my Colossus Chess engine on my website at http://www.colossusgames.co.uk

My tests indicate an improvement of about 45 ELO over the previous version.
Changes include bug fixes, optimisations, tuning, better use of time (especially with increment), passed pawn extensions.

In previous versions the only special hardware instruction used was POPCNT which was introduced c. 2008
This version uses POPCNT (c. 2008), LZCNT and TZCNT (c.2013) instructions.
Thanks Martin, got it, but the page still says "2026a which is available from my OneDrive here" ...
Oops! Easy to forget things at my age :D Sorted now.
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mclane
Posts: 19017
Joined: Thu Mar 09, 2006 6:40 pm
Location: US of Europe, germany
Full name: Thorsten Czub

Re: Colossus 2026b now available

Post by mclane »

chessica wrote: ↑Mon Sep 21, 2026 10:34 am

Code: Select all

#  Name                           Points     %     Elo     +/-   W-L-D                          1     2     3     4     5     6     7     8     9     10    11    12    13    14    15    16    17    18    19    20    21    22    23    24     25    26     27    28     29     30     31     32     33     34     35     36     37     38     39     40     41     42     43     44     45     46     47     48     49     50     51     
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 1 Stockfish 19                   405.5/500  81.1  +253.0  24.2  +311-0=189                           50.0% 55.0% 55.0% 55.0% 50.0% 55.0% 50.0% 50.0% 55.0% 60.0% 65.0% 60.0% 60.0% 60.0% 60.0% 70.0% 70.0% 70.0% 75.0% 85.0% 80.0% 70.0% 85.0%  80.0% 95.0%  90.0% 90.0%  95.0%  95.0%  90.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 2 Stockfish 18                   405.0/500  81.0  +251.9  24.1  +310-0=190                     50.0%       50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 65.0% 55.0% 65.0% 50.0% 60.0% 70.0% 70.0% 80.0% 75.0% 65.0% 70.0% 80.0% 65.0% 85.0% 80.0%  90.0% 90.0%  95.0% 90.0%  90.0%  95.0%  90.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 90.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 3 Revolution-5.90-140626         405.0/500  81.0  +251.9  24.5  +312-2=186                     45.0% 50.0%       50.0% 45.0% 50.0% 55.0% 50.0% 50.0% 50.0% 50.0% 55.0% 60.0% 55.0% 60.0% 70.0% 50.0% 70.0% 75.0% 80.0% 85.0% 95.0% 85.0% 80.0%  85.0% 100.0% 95.0% 85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
 4 Reckless 0.10.0-dev            403.0/500  80.6  +247.4  24.0  +307-1=192                     45.0% 50.0% 50.0%       50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 55.0% 65.0% 55.0% 70.0% 60.0% 70.0% 75.0% 65.0% 80.0% 80.0% 90.0% 90.0% 90.0%  85.0% 85.0%  80.0% 95.0%  85.0%  85.0%  95.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 5 Reckless 0.9.0                 402.5/500  80.5  +246.3  23.9  +306-1=193                     45.0% 50.0% 55.0% 50.0%       50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 55.0% 55.0% 75.0% 65.0% 65.0% 60.0% 75.0% 70.0% 75.0% 70.0% 85.0% 75.0% 90.0%  90.0% 85.0%  85.0% 95.0%  100.0% 100.0% 100.0% 95.0%  90.0%  95.0%  90.0%  100.0% 100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 6 Cool Iris 16                   401.0/500  80.2  +243.0  23.5  +302-0=198                     50.0% 50.0% 50.0% 50.0% 50.0%       50.0% 50.0% 50.0% 50.0% 50.0% 60.0% 55.0% 65.0% 75.0% 60.0% 60.0% 70.0% 80.0% 70.0% 80.0% 70.0% 85.0% 85.0%  85.0% 90.0%  85.0% 90.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 7 Coda 0.9.4                     396.5/500  79.3  +233.3  23.8  +298-5=197                     45.0% 45.0% 45.0% 50.0% 50.0% 50.0%       45.0% 50.0% 50.0% 55.0% 55.0% 45.0% 60.0% 65.0% 55.0% 65.0% 60.0% 70.0% 70.0% 85.0% 85.0% 85.0% 90.0%  85.0% 95.0%  90.0% 75.0%  100.0% 100.0% 95.0%  90.0%  95.0%  100.0% 100.0% 95.0%  95.0%  95.0%  95.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 8 Rems M-091024                  396.0/500  79.2  +232.3  23.0  +293-1=206                     50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 55.0%       50.0% 55.0% 50.0% 50.0% 65.0% 55.0% 55.0% 55.0% 70.0% 55.0% 65.0% 85.0% 85.0% 75.0% 85.0% 90.0%  75.0% 95.0%  80.0% 80.0%  85.0%  95.0%  90.0%  90.0%  100.0% 100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 
 9 PlentyChess 8.0.0              393.5/500  78.7  +227.0  22.7  +288-1=211                     50.0% 50.0% 50.0% 45.0% 50.0% 50.0% 50.0% 50.0%       50.0% 55.0% 50.0% 50.0% 65.0% 65.0% 55.0% 50.0% 60.0% 60.0% 65.0% 75.0% 65.0% 85.0% 85.0%  90.0% 100.0% 85.0% 85.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
10 Obsidian dev-16.08             393.0/500  78.6  +226.0  23.4  +291-5=204                     45.0% 35.0% 50.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0%       50.0% 55.0% 50.0% 60.0% 60.0% 60.0% 55.0% 60.0% 60.0% 75.0% 75.0% 80.0% 85.0% 80.0%  80.0% 90.0%  95.0% 80.0%  90.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
11 PlentyChess 7.0.26             392.5/500  78.5  +225.0  23.3  +290-5=205                     40.0% 45.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 45.0% 50.0%       50.0% 50.0% 60.0% 50.0% 55.0% 55.0% 70.0% 65.0% 60.0% 85.0% 70.0% 80.0% 100.0% 85.0% 85.0%  90.0% 95.0%  100.0% 95.0%  95.0%  100.0% 90.0%  100.0% 100.0% 85.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
12 Tarnished v6.0 (Eternal)       388.5/500  77.7  +216.8  24.1  +290-13=197                    35.0% 35.0% 45.0% 45.0% 45.0% 40.0% 45.0% 50.0% 50.0% 45.0% 50.0%       50.0% 60.0% 55.0% 55.0% 55.0% 60.0% 70.0% 70.0% 65.0% 90.0% 80.0% 85.0%  85.0% 70.0%  90.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 95.0%  100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
13 Berserk 14                     384.5/500  76.9  +208.9  23.7  +283-14=203                    40.0% 50.0% 40.0% 35.0% 45.0% 45.0% 55.0% 35.0% 50.0% 50.0% 50.0% 50.0%       55.0% 55.0% 45.0% 50.0% 65.0% 60.0% 80.0% 65.0% 70.0% 80.0% 80.0%  90.0% 85.0%  85.0% 90.0%  100.0% 95.0%  85.0%  90.0%  90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
14 Viridithas 20.0.0-dev          374.0/500  74.8  +189.0  24.5  +277-29=194                    40.0% 40.0% 45.0% 45.0% 25.0% 35.0% 40.0% 45.0% 35.0% 40.0% 40.0% 40.0% 45.0%       60.0% 55.0% 50.0% 70.0% 60.0% 75.0% 55.0% 80.0% 70.0% 90.0%  80.0% 90.0%  70.0% 85.0%  95.0%  90.0%  90.0%  90.0%  100.0% 90.0%  100.0% 100.0% 100.0% 90.0%  95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
15 RubiChess 20240817 (avx512)    369.5/500  73.9  +180.8  24.6  +273-34=193                    40.0% 30.0% 40.0% 30.0% 35.0% 25.0% 35.0% 45.0% 35.0% 40.0% 50.0% 45.0% 45.0% 40.0%       50.0% 50.0% 60.0% 55.0% 65.0% 65.0% 75.0% 75.0% 85.0%  75.0% 85.0%  85.0% 95.0%  90.0%  90.0%  85.0%  95.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
16 Igel 3.7.0 64 POPCNT AVX2      366.0/500  73.2  +174.6  23.2  +259-27=214                    40.0% 30.0% 30.0% 40.0% 35.0% 40.0% 45.0% 45.0% 45.0% 40.0% 45.0% 45.0% 55.0% 45.0% 50.0%       60.0% 55.0% 55.0% 60.0% 60.0% 75.0% 70.0% 75.0%  70.0% 85.0%  80.0% 80.0%  90.0%  100.0% 80.0%  90.0%  95.0%  95.0%  100.0% 90.0%  95.0%  100.0% 95.0%  90.0%  100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
17 RubiChess 20240817 (avx2)      362.5/500  72.5  +168.4  23.6  +258-33=209                    30.0% 20.0% 50.0% 30.0% 40.0% 40.0% 35.0% 30.0% 50.0% 45.0% 45.0% 45.0% 50.0% 50.0% 50.0% 40.0%       45.0% 60.0% 75.0% 55.0% 75.0% 65.0% 70.0%  75.0% 85.0%  90.0% 80.0%  95.0%  100.0% 90.0%  85.0%  90.0%  90.0%  100.0% 90.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
18 Chess System Tal 2.06 E1019    354.0/500  70.8  +153.9  24.7  +259-51=190                    30.0% 25.0% 30.0% 25.0% 25.0% 30.0% 40.0% 45.0% 40.0% 40.0% 30.0% 40.0% 35.0% 30.0% 40.0% 45.0% 55.0%       55.0% 70.0% 50.0% 65.0% 60.0% 75.0%  85.0% 80.0%  80.0% 80.0%  85.0%  90.0%  95.0%  100.0% 90.0%  95.0%  95.0%  95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
19 Rebel 16.3a                    351.5/500  70.3  +149.7  24.5  +255-52=193                    30.0% 35.0% 25.0% 35.0% 30.0% 20.0% 30.0% 35.0% 40.0% 40.0% 35.0% 30.0% 40.0% 40.0% 45.0% 45.0% 40.0% 45.0%       65.0% 65.0% 75.0% 70.0% 70.0%  75.0% 65.0%  70.0% 70.0%  85.0%  95.0%  100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
20 Alexander 7                    324.5/500  64.9  +106.8  25.0  +236-87=177                    25.0% 30.0% 20.0% 20.0% 25.0% 30.0% 30.0% 15.0% 35.0% 25.0% 40.0% 30.0% 20.0% 25.0% 35.0% 40.0% 25.0% 30.0% 35.0%       45.0% 55.0% 55.0% 65.0%  65.0% 70.0%  70.0% 90.0%  70.0%  95.0%  90.0%  95.0%  85.0%  90.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
21 Maverick NNUE 1.0a             321.5/500  64.3  +102.2  24.8  +231-88=181                    15.0% 20.0% 15.0% 20.0% 30.0% 20.0% 15.0% 15.0% 25.0% 25.0% 15.0% 35.0% 35.0% 45.0% 35.0% 40.0% 45.0% 50.0% 35.0% 55.0%       55.0% 65.0% 55.0%  65.0% 90.0%  70.0% 70.0%  80.0%  85.0%  75.0%  100.0% 85.0%  95.0%  95.0%  90.0%  100.0% 95.0%  80.0%  95.0%  100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
22 Shredder Classic 6             308.5/500  61.7   +82.8  25.6  +229-112=159                   20.0% 35.0% 5.0%  10.0% 15.0% 30.0% 15.0% 25.0% 35.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 25.0% 25.0% 35.0% 25.0% 45.0% 45.0%       45.0% 60.0%  60.0% 70.0%  70.0% 80.0%  85.0%  90.0%  85.0%  90.0%  85.0%  100.0% 90.0%  90.0%  90.0%  95.0%  100.0% 100.0% 95.0%  100.0% 90.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 
23 Willow 4.0                     304.5/500  60.9   +77.0  25.6  +226-117=157                   30.0% 15.0% 15.0% 10.0% 25.0% 15.0% 15.0% 15.0% 15.0% 15.0% 20.0% 20.0% 20.0% 30.0% 25.0% 30.0% 35.0% 40.0% 30.0% 45.0% 35.0% 55.0%       55.0%  40.0% 50.0%  65.0% 75.0%  80.0%  90.0%  90.0%  90.0%  95.0%  100.0% 100.0% 85.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  
24 Winter 4.0 JA BMI2             288.5/500  57.7   +53.9  26.0  +218-141=141                   15.0% 20.0% 20.0% 10.0% 10.0% 15.0% 10.0% 10.0% 15.0% 20.0% 0.0%  15.0% 20.0% 10.0% 15.0% 25.0% 30.0% 25.0% 30.0% 35.0% 45.0% 40.0% 45.0%        50.0% 65.0%  65.0% 70.0%  90.0%  70.0%  90.0%  90.0%  90.0%  85.0%  90.0%  90.0%  85.0%  95.0%  100.0% 95.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
25 Cheng 4.48a (bundled)          286.5/500  57.3   +51.1  25.7  +212-139=149                   20.0% 10.0% 15.0% 15.0% 10.0% 15.0% 15.0% 25.0% 10.0% 20.0% 15.0% 15.0% 10.0% 20.0% 25.0% 30.0% 25.0% 15.0% 25.0% 35.0% 35.0% 40.0% 60.0% 50.0%        45.0%  50.0% 80.0%  65.0%  85.0%  80.0%  95.0%  85.0%  85.0%  90.0%  100.0% 85.0%  95.0%  95.0%  100.0% 100.0% 90.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
26 Houdidit 6.03 Pro x64          273.0/500  54.6   +32.1  26.4  +209-163=128                   5.0%  10.0% 0.0%  15.0% 15.0% 10.0% 5.0%  5.0%  0.0%  10.0% 15.0% 30.0% 15.0% 10.0% 15.0% 15.0% 15.0% 20.0% 35.0% 30.0% 10.0% 30.0% 50.0% 35.0%  55.0%        60.0% 75.0%  75.0%  80.0%  75.0%  85.0%  80.0%  95.0%  80.0%  100.0% 90.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 
27 Komodo 14.1 64-bit             271.0/500  54.2   +29.3  25.9  +200-158=142                   10.0% 5.0%  5.0%  20.0% 15.0% 15.0% 10.0% 20.0% 15.0% 5.0%  10.0% 10.0% 15.0% 30.0% 15.0% 20.0% 10.0% 20.0% 30.0% 30.0% 30.0% 30.0% 35.0% 35.0%  50.0% 40.0%        80.0%  70.0%  75.0%  75.0%  75.0%  85.0%  75.0%  100.0% 85.0%  90.0%  100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
28 EveAnn 5.0 64-bit (bundled)    238.5/500  47.7   -16.0  26.4  +175-198=127                   10.0% 10.0% 15.0% 5.0%  5.0%  10.0% 25.0% 20.0% 15.0% 20.0% 5.0%  0.0%  10.0% 15.0% 5.0%  20.0% 20.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 30.0%  20.0% 25.0%  20.0%        60.0%  65.0%  80.0%  60.0%  55.0%  65.0%  80.0%  70.0%  95.0%  90.0%  85.0%  85.0%  95.0%  85.0%  95.0%  85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
29 Myrddin 0.96                   220.0/500  44.0   -41.9  27.3  +168-228=104  [1 illegal move] 5.0%  10.0% 5.0%  15.0% 0.0%  10.0% 0.0%  15.0% 10.0% 10.0% 0.0%  0.0%  0.0%  5.0%  10.0% 10.0% 5.0%  15.0% 15.0% 30.0% 20.0% 15.0% 20.0% 10.0%  35.0% 25.0%  30.0% 40.0%         60.0%  40.0%  80.0%  85.0%  75.0%  45.0%  75.0%  85.0%  80.0%  85.0%  90.0%  75.0%  90.0%  80.0%  100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 
30 Fable 5.1                      208.5/500  41.7   -58.2  28.3  +169-252=79                    5.0%  5.0%  0.0%  15.0% 0.0%  5.0%  0.0%  5.0%  5.0%  5.0%  5.0%  0.0%  5.0%  10.0% 10.0% 0.0%  0.0%  10.0% 5.0%  5.0%  15.0% 10.0% 10.0% 30.0%  15.0% 20.0%  25.0% 35.0%  40.0%         55.0%  80.0%  60.0%  55.0%  75.0%  85.0%  85.0%  75.0%  70.0%  90.0%  100.0% 85.0%  95.0%  95.0%  85.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
31 IsaBB NN 4.5 (avx2, bundled)   208.0/500  41.6   -58.9  27.4  +156-240=104                   10.0% 10.0% 0.0%  5.0%  0.0%  10.0% 5.0%  10.0% 10.0% 5.0%  5.0%  5.0%  15.0% 10.0% 15.0% 20.0% 10.0% 5.0%  0.0%  10.0% 25.0% 15.0% 10.0% 10.0%  20.0% 25.0%  25.0% 20.0%  60.0%  45.0%         50.0%  45.0%  45.0%  80.0%  70.0%  85.0%  85.0%  90.0%  90.0%  75.0%  95.0%  95.0%  85.0%  85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  
32 Sable 1.6                      189.5/500  37.9   -85.8  28.6  +149-270=81                    0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  10.0% 10.0% 5.0%  0.0%  0.0%  0.0%  10.0% 10.0% 5.0%  10.0% 15.0% 0.0%  5.0%  5.0%  0.0%  10.0% 10.0% 10.0%  5.0%  15.0%  25.0% 40.0%  20.0%  20.0%  50.0%         65.0%  60.0%  60.0%  60.0%  75.0%  75.0%  95.0%  80.0%  85.0%  85.0%  85.0%  85.0%  90.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
33 Equinox 3.30 x64mp             183.5/500  36.7   -94.7  27.8  +130-263=107                   0.0%  5.0%  0.0%  10.0% 10.0% 0.0%  5.0%  0.0%  0.0%  5.0%  10.0% 0.0%  10.0% 0.0%  5.0%  5.0%  10.0% 10.0% 5.0%  15.0% 15.0% 15.0% 5.0%  10.0%  15.0% 20.0%  15.0% 45.0%  15.0%  40.0%  55.0%  35.0%         45.0%  45.0%  60.0%  60.0%  60.0%  85.0%  85.0%  75.0%  80.0%  90.0%  90.0%  85.0%  95.0%  95.0%  95.0%  100.0% 100.0% 100.0% 
34 Critter 1.6a 64-bit            183.5/500  36.7   -94.7  28.8  +143-276=81                    0.0%  10.0% 5.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  10.0% 5.0%  5.0%  10.0% 5.0%  0.0%  10.0% 5.0%  0.0%  0.0%  15.0%  15.0% 5.0%   25.0% 35.0%  25.0%  45.0%  55.0%  40.0%  55.0%         60.0%  55.0%  65.0%  80.0%  80.0%  95.0%  80.0%  70.0%  80.0%  90.0%  100.0% 95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 
35 Houdini 1.5a x64               168.0/500  33.6  -118.3  29.9  +136-300=64                    5.0%  0.0%  5.0%  0.0%  10.0% 0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  10.0% 5.0%  10.0% 0.0%  10.0%  10.0% 20.0%  0.0%  20.0%  55.0%  25.0%  20.0%  40.0%  55.0%  40.0%         60.0%  25.0%  60.0%  70.0%  95.0%  80.0%  80.0%  85.0%  85.0%  90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
36 OpenCritter v1.1.37            159.0/500  31.8  -132.5  28.9  +111-293=96                    0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  5.0%  5.0%  5.0%  5.0%  15.0% 5.0%  0.0%  0.0%  5.0%  10.0% 10.0% 5.0%  5.0%  5.0%  10.0% 10.0% 15.0% 10.0%  0.0%  0.0%   15.0% 30.0%  25.0%  15.0%  30.0%  40.0%  40.0%  45.0%  40.0%         50.0%  60.0%  65.0%  70.0%  65.0%  55.0%  75.0%  70.0%  70.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
37 ECE 26.8 Intuition HBuP        149.5/500  29.9  -148.0  30.6  +116-317=67                    5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  10.0% 0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  15.0%  15.0% 10.0%  10.0% 5.0%   15.0%  15.0%  15.0%  25.0%  40.0%  35.0%  75.0%  50.0%         55.0%  65.0%  75.0%  70.0%  90.0%  80.0%  65.0%  70.0%  85.0%  80.0%  100.0% 100.0% 95.0%  100.0% 
38 monty 1.0.0                    139.0/500  27.8  -165.8  31.5  +109-331=60                    10.0% 10.0% 0.0%  5.0%  5.0%  5.0%  5.0%  0.0%  0.0%  0.0%  10.0% 5.0%  5.0%  10.0% 0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  5.0%  5.0%  5.0%  5.0%   5.0%  5.0%   0.0%  10.0%  20.0%  25.0%  15.0%  25.0%  40.0%  20.0%  40.0%  40.0%  45.0%         55.0%  65.0%  60.0%  45.0%  100.0% 80.0%  55.0%  75.0%  90.0%  95.0%  90.0%  100.0% 95.0%  
39 Crafty 25.2.1                  129.5/500  25.9  -182.6  31.2  +91-332=77                     0.0%  5.0%  0.0%  5.0%  5.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  5.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  20.0% 0.0%  10.0% 0.0%   5.0%  5.0%   10.0% 15.0%  15.0%  30.0%  10.0%  5.0%   15.0%  20.0%  30.0%  35.0%  35.0%  45.0%         60.0%  60.0%  55.0%  50.0%  80.0%  60.0%  90.0%  95.0%  100.0% 95.0%  100.0% 95.0%  
40 Spike 1.4.2                    122.0/500  24.4  -196.5  32.0  +86-342=72                     0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  5.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  5.0%  0.0%  10.0% 5.0%  0.0%  5.0%  5.0%  5.0%  0.0%  0.0%  5.0%   0.0%  0.0%   0.0%  15.0%  10.0%  10.0%  10.0%  20.0%  15.0%  5.0%   5.0%   30.0%  25.0%  35.0%  40.0%         55.0%  55.0%  80.0%  60.0%  90.0%  95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  
41 Spike 1.4.1                    120.5/500  24.1  -199.3  32.6  +89-348=63                     0.0%  0.0%  0.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%   0.0%  5.0%   0.0%  5.0%   25.0%  0.0%   25.0%  15.0%  25.0%  20.0%  20.0%  35.0%  30.0%  40.0%  40.0%  45.0%         70.0%  50.0%  75.0%  80.0%  75.0%  100.0% 100.0% 100.0% 95.0%  100.0% 
42 Colossus Chess 2026b           118.0/500  23.6  -204.1  33.3  +91-355=54                     0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  5.0%  0.0%  5.0%  5.0%  0.0%  5.0%  0.0%  0.0%  10.0%  10.0% 0.0%   5.0%  15.0%  10.0%  15.0%  5.0%   15.0%  20.0%  30.0%  20.0%  45.0%  10.0%  55.0%  45.0%  45.0%  30.0%         60.0%  60.0%  85.0%  100.0% 80.0%  95.0%  90.0%  100.0% 95.0%  
43 Rybka 1.0 Beta                  97.5/500  19.5  -246.3  34.9  +68-373=59                     0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  0.0%   5.0%  0.0%   0.0%  5.0%   20.0%  5.0%   5.0%   15.0%  10.0%  20.0%  15.0%  25.0%  20.0%  0.0%   50.0%  20.0%  50.0%  40.0%         45.0%  40.0%  70.0%  80.0%  100.0% 95.0%  100.0% 100.0% 
44 Colossus 2025b                  96.0/500  19.2  -249.6  34.7  +64-372=64                     5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  5.0%  0.0%  5.0%  5.0%  0.0%   0.0%  0.0%   10.0% 15.0%  0.0%   5.0%   15.0%  15.0%  10.0%  10.0%  15.0%  30.0%  35.0%  20.0%  20.0%  40.0%  25.0%  40.0%  55.0%         30.0%  80.0%  95.0%  95.0%  95.0%  85.0%  85.0%  
45 Colossus Chess 2026a            95.5/500  19.1  -250.8  35.9  +72-381=47                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  10.0% 0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  0.0%  0.0%   5.0%  0.0%   0.0%  5.0%   0.0%   15.0%  15.0%  10.0%  15.0%  0.0%   10.0%  30.0%  30.0%  45.0%  40.0%  10.0%  20.0%  15.0%  60.0%  70.0%         75.0%  75.0%  100.0% 95.0%  85.0%  100.0% 
46 Euphron NEO 0.47                57.5/500  11.5  -354.5  45.1  +44-429=27                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%   0.0%  5.0%   0.0%  0.0%   5.0%   0.0%   5.0%   0.0%   5.0%   5.0%   0.0%   0.0%   15.0%  25.0%  10.0%  5.0%   25.0%  0.0%   30.0%  20.0%  25.0%         55.0%  90.0%  60.0%  95.0%  90.0%  
47 Pharaon 3.5.1                   44.0/500   8.8  -406.2  49.5  +29-441=30                     0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  5.0%   0.0%  0.0%   5.0%  0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   5.0%   0.0%   0.0%   20.0%  10.0%  5.0%   5.0%   0.0%   20.0%  20.0%  5.0%   25.0%  45.0%         65.0%  60.0%  50.0%  75.0%  
48 SOS 5 for Arena                 30.0/500   6.0  -478.0  61.4  +22-462=16       [1 time loss] 0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%   0.0%  0.0%   0.0%  0.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   5.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   5.0%   0.0%   10.0%  35.0%         75.0%  65.0%  75.0%  
49 Yace 0.99.87                    27.5/500   5.5  -494.0  63.4  +19-464=17                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%   0.0%  0.0%   0.0%  0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   10.0%  5.0%   0.0%   0.0%   10.0%  5.0%   5.0%   5.0%   40.0%  40.0%  25.0%         70.0%  50.0%  
50 Quark v2.35Paderborn            24.5/500   4.9  -515.2  68.3  +18-469=13                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%   5.0%  0.0%   0.0%  0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   15.0%  15.0%  5.0%   50.0%  35.0%  30.0%         70.0%  
51 PatzerUCI/FRC                   18.5/500   3.7  -566.2  78.7  +13-476=11                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%   0.0%  0.0%   0.0%  0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   5.0%   0.0%   5.0%   0.0%   15.0%  0.0%   10.0%  25.0%  25.0%  50.0%  30.0%         

12750/12750 games, 26% draws, time control:120+1, book:avt-2026b.pgn
This looks like a good progress for Colossus!
What seems like a fairy tale today may be reality tomorrow.
Here we have a fairy tale of the day after tomorrow....
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MartinBryant
Posts: 96
Joined: Thu Nov 21, 2013 12:37 am
Location: Manchester, UK
Full name: Martin Bryant

Re: Colossus 2026b now available

Post by MartinBryant »

mclane wrote: ↑Tue Sep 22, 2026 10:02 am
chessica wrote: ↑Mon Sep 21, 2026 10:34 am

Code: Select all

#  Name                           Points     %     Elo     +/-   W-L-D                          1     2     3     4     5     6     7     8     9     10    11    12    13    14    15    16    17    18    19    20    21    22    23    24     25    26     27    28     29     30     31     32     33     34     35     36     37     38     39     40     41     42     43     44     45     46     47     48     49     50     51     
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 1 Stockfish 19                   405.5/500  81.1  +253.0  24.2  +311-0=189                           50.0% 55.0% 55.0% 55.0% 50.0% 55.0% 50.0% 50.0% 55.0% 60.0% 65.0% 60.0% 60.0% 60.0% 60.0% 70.0% 70.0% 70.0% 75.0% 85.0% 80.0% 70.0% 85.0%  80.0% 95.0%  90.0% 90.0%  95.0%  95.0%  90.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 2 Stockfish 18                   405.0/500  81.0  +251.9  24.1  +310-0=190                     50.0%       50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 65.0% 55.0% 65.0% 50.0% 60.0% 70.0% 70.0% 80.0% 75.0% 65.0% 70.0% 80.0% 65.0% 85.0% 80.0%  90.0% 90.0%  95.0% 90.0%  90.0%  95.0%  90.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 90.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 3 Revolution-5.90-140626         405.0/500  81.0  +251.9  24.5  +312-2=186                     45.0% 50.0%       50.0% 45.0% 50.0% 55.0% 50.0% 50.0% 50.0% 50.0% 55.0% 60.0% 55.0% 60.0% 70.0% 50.0% 70.0% 75.0% 80.0% 85.0% 95.0% 85.0% 80.0%  85.0% 100.0% 95.0% 85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
 4 Reckless 0.10.0-dev            403.0/500  80.6  +247.4  24.0  +307-1=192                     45.0% 50.0% 50.0%       50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 55.0% 65.0% 55.0% 70.0% 60.0% 70.0% 75.0% 65.0% 80.0% 80.0% 90.0% 90.0% 90.0%  85.0% 85.0%  80.0% 95.0%  85.0%  85.0%  95.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 5 Reckless 0.9.0                 402.5/500  80.5  +246.3  23.9  +306-1=193                     45.0% 50.0% 55.0% 50.0%       50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 55.0% 55.0% 75.0% 65.0% 65.0% 60.0% 75.0% 70.0% 75.0% 70.0% 85.0% 75.0% 90.0%  90.0% 85.0%  85.0% 95.0%  100.0% 100.0% 100.0% 95.0%  90.0%  95.0%  90.0%  100.0% 100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 6 Cool Iris 16                   401.0/500  80.2  +243.0  23.5  +302-0=198                     50.0% 50.0% 50.0% 50.0% 50.0%       50.0% 50.0% 50.0% 50.0% 50.0% 60.0% 55.0% 65.0% 75.0% 60.0% 60.0% 70.0% 80.0% 70.0% 80.0% 70.0% 85.0% 85.0%  85.0% 90.0%  85.0% 90.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 7 Coda 0.9.4                     396.5/500  79.3  +233.3  23.8  +298-5=197                     45.0% 45.0% 45.0% 50.0% 50.0% 50.0%       45.0% 50.0% 50.0% 55.0% 55.0% 45.0% 60.0% 65.0% 55.0% 65.0% 60.0% 70.0% 70.0% 85.0% 85.0% 85.0% 90.0%  85.0% 95.0%  90.0% 75.0%  100.0% 100.0% 95.0%  90.0%  95.0%  100.0% 100.0% 95.0%  95.0%  95.0%  95.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
 8 Rems M-091024                  396.0/500  79.2  +232.3  23.0  +293-1=206                     50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 55.0%       50.0% 55.0% 50.0% 50.0% 65.0% 55.0% 55.0% 55.0% 70.0% 55.0% 65.0% 85.0% 85.0% 75.0% 85.0% 90.0%  75.0% 95.0%  80.0% 80.0%  85.0%  95.0%  90.0%  90.0%  100.0% 100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 
 9 PlentyChess 8.0.0              393.5/500  78.7  +227.0  22.7  +288-1=211                     50.0% 50.0% 50.0% 45.0% 50.0% 50.0% 50.0% 50.0%       50.0% 55.0% 50.0% 50.0% 65.0% 65.0% 55.0% 50.0% 60.0% 60.0% 65.0% 75.0% 65.0% 85.0% 85.0%  90.0% 100.0% 85.0% 85.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
10 Obsidian dev-16.08             393.0/500  78.6  +226.0  23.4  +291-5=204                     45.0% 35.0% 50.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0%       50.0% 55.0% 50.0% 60.0% 60.0% 60.0% 55.0% 60.0% 60.0% 75.0% 75.0% 80.0% 85.0% 80.0%  80.0% 90.0%  95.0% 80.0%  90.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
11 PlentyChess 7.0.26             392.5/500  78.5  +225.0  23.3  +290-5=205                     40.0% 45.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 45.0% 50.0%       50.0% 50.0% 60.0% 50.0% 55.0% 55.0% 70.0% 65.0% 60.0% 85.0% 70.0% 80.0% 100.0% 85.0% 85.0%  90.0% 95.0%  100.0% 95.0%  95.0%  100.0% 90.0%  100.0% 100.0% 85.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
12 Tarnished v6.0 (Eternal)       388.5/500  77.7  +216.8  24.1  +290-13=197                    35.0% 35.0% 45.0% 45.0% 45.0% 40.0% 45.0% 50.0% 50.0% 45.0% 50.0%       50.0% 60.0% 55.0% 55.0% 55.0% 60.0% 70.0% 70.0% 65.0% 90.0% 80.0% 85.0%  85.0% 70.0%  90.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 95.0%  100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
13 Berserk 14                     384.5/500  76.9  +208.9  23.7  +283-14=203                    40.0% 50.0% 40.0% 35.0% 45.0% 45.0% 55.0% 35.0% 50.0% 50.0% 50.0% 50.0%       55.0% 55.0% 45.0% 50.0% 65.0% 60.0% 80.0% 65.0% 70.0% 80.0% 80.0%  90.0% 85.0%  85.0% 90.0%  100.0% 95.0%  85.0%  90.0%  90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
14 Viridithas 20.0.0-dev          374.0/500  74.8  +189.0  24.5  +277-29=194                    40.0% 40.0% 45.0% 45.0% 25.0% 35.0% 40.0% 45.0% 35.0% 40.0% 40.0% 40.0% 45.0%       60.0% 55.0% 50.0% 70.0% 60.0% 75.0% 55.0% 80.0% 70.0% 90.0%  80.0% 90.0%  70.0% 85.0%  95.0%  90.0%  90.0%  90.0%  100.0% 90.0%  100.0% 100.0% 100.0% 90.0%  95.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
15 RubiChess 20240817 (avx512)    369.5/500  73.9  +180.8  24.6  +273-34=193                    40.0% 30.0% 40.0% 30.0% 35.0% 25.0% 35.0% 45.0% 35.0% 40.0% 50.0% 45.0% 45.0% 40.0%       50.0% 50.0% 60.0% 55.0% 65.0% 65.0% 75.0% 75.0% 85.0%  75.0% 85.0%  85.0% 95.0%  90.0%  90.0%  85.0%  95.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
16 Igel 3.7.0 64 POPCNT AVX2      366.0/500  73.2  +174.6  23.2  +259-27=214                    40.0% 30.0% 30.0% 40.0% 35.0% 40.0% 45.0% 45.0% 45.0% 40.0% 45.0% 45.0% 55.0% 45.0% 50.0%       60.0% 55.0% 55.0% 60.0% 60.0% 75.0% 70.0% 75.0%  70.0% 85.0%  80.0% 80.0%  90.0%  100.0% 80.0%  90.0%  95.0%  95.0%  100.0% 90.0%  95.0%  100.0% 95.0%  90.0%  100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
17 RubiChess 20240817 (avx2)      362.5/500  72.5  +168.4  23.6  +258-33=209                    30.0% 20.0% 50.0% 30.0% 40.0% 40.0% 35.0% 30.0% 50.0% 45.0% 45.0% 45.0% 50.0% 50.0% 50.0% 40.0%       45.0% 60.0% 75.0% 55.0% 75.0% 65.0% 70.0%  75.0% 85.0%  90.0% 80.0%  95.0%  100.0% 90.0%  85.0%  90.0%  90.0%  100.0% 90.0%  90.0%  95.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
18 Chess System Tal 2.06 E1019    354.0/500  70.8  +153.9  24.7  +259-51=190                    30.0% 25.0% 30.0% 25.0% 25.0% 30.0% 40.0% 45.0% 40.0% 40.0% 30.0% 40.0% 35.0% 30.0% 40.0% 45.0% 55.0%       55.0% 70.0% 50.0% 65.0% 60.0% 75.0%  85.0% 80.0%  80.0% 80.0%  85.0%  90.0%  95.0%  100.0% 90.0%  95.0%  95.0%  95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
19 Rebel 16.3a                    351.5/500  70.3  +149.7  24.5  +255-52=193                    30.0% 35.0% 25.0% 35.0% 30.0% 20.0% 30.0% 35.0% 40.0% 40.0% 35.0% 30.0% 40.0% 40.0% 45.0% 45.0% 40.0% 45.0%       65.0% 65.0% 75.0% 70.0% 70.0%  75.0% 65.0%  70.0% 70.0%  85.0%  95.0%  100.0% 95.0%  95.0%  100.0% 95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
20 Alexander 7                    324.5/500  64.9  +106.8  25.0  +236-87=177                    25.0% 30.0% 20.0% 20.0% 25.0% 30.0% 30.0% 15.0% 35.0% 25.0% 40.0% 30.0% 20.0% 25.0% 35.0% 40.0% 25.0% 30.0% 35.0%       45.0% 55.0% 55.0% 65.0%  65.0% 70.0%  70.0% 90.0%  70.0%  95.0%  90.0%  95.0%  85.0%  90.0%  90.0%  95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
21 Maverick NNUE 1.0a             321.5/500  64.3  +102.2  24.8  +231-88=181                    15.0% 20.0% 15.0% 20.0% 30.0% 20.0% 15.0% 15.0% 25.0% 25.0% 15.0% 35.0% 35.0% 45.0% 35.0% 40.0% 45.0% 50.0% 35.0% 55.0%       55.0% 65.0% 55.0%  65.0% 90.0%  70.0% 70.0%  80.0%  85.0%  75.0%  100.0% 85.0%  95.0%  95.0%  90.0%  100.0% 95.0%  80.0%  95.0%  100.0% 95.0%  100.0% 100.0% 90.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
22 Shredder Classic 6             308.5/500  61.7   +82.8  25.6  +229-112=159                   20.0% 35.0% 5.0%  10.0% 15.0% 30.0% 15.0% 25.0% 35.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 25.0% 25.0% 35.0% 25.0% 45.0% 45.0%       45.0% 60.0%  60.0% 70.0%  70.0% 80.0%  85.0%  90.0%  85.0%  90.0%  85.0%  100.0% 90.0%  90.0%  90.0%  95.0%  100.0% 100.0% 95.0%  100.0% 90.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 
23 Willow 4.0                     304.5/500  60.9   +77.0  25.6  +226-117=157                   30.0% 15.0% 15.0% 10.0% 25.0% 15.0% 15.0% 15.0% 15.0% 15.0% 20.0% 20.0% 20.0% 30.0% 25.0% 30.0% 35.0% 40.0% 30.0% 45.0% 35.0% 55.0%       55.0%  40.0% 50.0%  65.0% 75.0%  80.0%  90.0%  90.0%  90.0%  95.0%  100.0% 100.0% 85.0%  100.0% 95.0%  90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 95.0%  
24 Winter 4.0 JA BMI2             288.5/500  57.7   +53.9  26.0  +218-141=141                   15.0% 20.0% 20.0% 10.0% 10.0% 15.0% 10.0% 10.0% 15.0% 20.0% 0.0%  15.0% 20.0% 10.0% 15.0% 25.0% 30.0% 25.0% 30.0% 35.0% 45.0% 40.0% 45.0%        50.0% 65.0%  65.0% 70.0%  90.0%  70.0%  90.0%  90.0%  90.0%  85.0%  90.0%  90.0%  85.0%  95.0%  100.0% 95.0%  100.0% 90.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
25 Cheng 4.48a (bundled)          286.5/500  57.3   +51.1  25.7  +212-139=149                   20.0% 10.0% 15.0% 15.0% 10.0% 15.0% 15.0% 25.0% 10.0% 20.0% 15.0% 15.0% 10.0% 20.0% 25.0% 30.0% 25.0% 15.0% 25.0% 35.0% 35.0% 40.0% 60.0% 50.0%        45.0%  50.0% 80.0%  65.0%  85.0%  80.0%  95.0%  85.0%  85.0%  90.0%  100.0% 85.0%  95.0%  95.0%  100.0% 100.0% 90.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
26 Houdidit 6.03 Pro x64          273.0/500  54.6   +32.1  26.4  +209-163=128                   5.0%  10.0% 0.0%  15.0% 15.0% 10.0% 5.0%  5.0%  0.0%  10.0% 15.0% 30.0% 15.0% 10.0% 15.0% 15.0% 15.0% 20.0% 35.0% 30.0% 10.0% 30.0% 50.0% 35.0%  55.0%        60.0% 75.0%  75.0%  80.0%  75.0%  85.0%  80.0%  95.0%  80.0%  100.0% 90.0%  95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 
27 Komodo 14.1 64-bit             271.0/500  54.2   +29.3  25.9  +200-158=142                   10.0% 5.0%  5.0%  20.0% 15.0% 15.0% 10.0% 20.0% 15.0% 5.0%  10.0% 10.0% 15.0% 30.0% 15.0% 20.0% 10.0% 20.0% 30.0% 30.0% 30.0% 30.0% 35.0% 35.0%  50.0% 40.0%        80.0%  70.0%  75.0%  75.0%  75.0%  85.0%  75.0%  100.0% 85.0%  90.0%  100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
28 EveAnn 5.0 64-bit (bundled)    238.5/500  47.7   -16.0  26.4  +175-198=127                   10.0% 10.0% 15.0% 5.0%  5.0%  10.0% 25.0% 20.0% 15.0% 20.0% 5.0%  0.0%  10.0% 15.0% 5.0%  20.0% 20.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 30.0%  20.0% 25.0%  20.0%        60.0%  65.0%  80.0%  60.0%  55.0%  65.0%  80.0%  70.0%  95.0%  90.0%  85.0%  85.0%  95.0%  85.0%  95.0%  85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
29 Myrddin 0.96                   220.0/500  44.0   -41.9  27.3  +168-228=104  [1 illegal move] 5.0%  10.0% 5.0%  15.0% 0.0%  10.0% 0.0%  15.0% 10.0% 10.0% 0.0%  0.0%  0.0%  5.0%  10.0% 10.0% 5.0%  15.0% 15.0% 30.0% 20.0% 15.0% 20.0% 10.0%  35.0% 25.0%  30.0% 40.0%         60.0%  40.0%  80.0%  85.0%  75.0%  45.0%  75.0%  85.0%  80.0%  85.0%  90.0%  75.0%  90.0%  80.0%  100.0% 100.0% 95.0%  100.0% 95.0%  100.0% 100.0% 100.0% 
30 Fable 5.1                      208.5/500  41.7   -58.2  28.3  +169-252=79                    5.0%  5.0%  0.0%  15.0% 0.0%  5.0%  0.0%  5.0%  5.0%  5.0%  5.0%  0.0%  5.0%  10.0% 10.0% 0.0%  0.0%  10.0% 5.0%  5.0%  15.0% 10.0% 10.0% 30.0%  15.0% 20.0%  25.0% 35.0%  40.0%         55.0%  80.0%  60.0%  55.0%  75.0%  85.0%  85.0%  75.0%  70.0%  90.0%  100.0% 85.0%  95.0%  95.0%  85.0%  100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 
31 IsaBB NN 4.5 (avx2, bundled)   208.0/500  41.6   -58.9  27.4  +156-240=104                   10.0% 10.0% 0.0%  5.0%  0.0%  10.0% 5.0%  10.0% 10.0% 5.0%  5.0%  5.0%  15.0% 10.0% 15.0% 20.0% 10.0% 5.0%  0.0%  10.0% 25.0% 15.0% 10.0% 10.0%  20.0% 25.0%  25.0% 20.0%  60.0%  45.0%         50.0%  45.0%  45.0%  80.0%  70.0%  85.0%  85.0%  90.0%  90.0%  75.0%  95.0%  95.0%  85.0%  85.0%  95.0%  100.0% 100.0% 100.0% 100.0% 95.0%  
32 Sable 1.6                      189.5/500  37.9   -85.8  28.6  +149-270=81                    0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  10.0% 10.0% 5.0%  0.0%  0.0%  0.0%  10.0% 10.0% 5.0%  10.0% 15.0% 0.0%  5.0%  5.0%  0.0%  10.0% 10.0% 10.0%  5.0%  15.0%  25.0% 40.0%  20.0%  20.0%  50.0%         65.0%  60.0%  60.0%  60.0%  75.0%  75.0%  95.0%  80.0%  85.0%  85.0%  85.0%  85.0%  90.0%  100.0% 95.0%  100.0% 100.0% 100.0% 100.0% 
33 Equinox 3.30 x64mp             183.5/500  36.7   -94.7  27.8  +130-263=107                   0.0%  5.0%  0.0%  10.0% 10.0% 0.0%  5.0%  0.0%  0.0%  5.0%  10.0% 0.0%  10.0% 0.0%  5.0%  5.0%  10.0% 10.0% 5.0%  15.0% 15.0% 15.0% 5.0%  10.0%  15.0% 20.0%  15.0% 45.0%  15.0%  40.0%  55.0%  35.0%         45.0%  45.0%  60.0%  60.0%  60.0%  85.0%  85.0%  75.0%  80.0%  90.0%  90.0%  85.0%  95.0%  95.0%  95.0%  100.0% 100.0% 100.0% 
34 Critter 1.6a 64-bit            183.5/500  36.7   -94.7  28.8  +143-276=81                    0.0%  10.0% 5.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  10.0% 5.0%  5.0%  10.0% 5.0%  0.0%  10.0% 5.0%  0.0%  0.0%  15.0%  15.0% 5.0%   25.0% 35.0%  25.0%  45.0%  55.0%  40.0%  55.0%         60.0%  55.0%  65.0%  80.0%  80.0%  95.0%  80.0%  70.0%  80.0%  90.0%  100.0% 95.0%  95.0%  100.0% 95.0%  100.0% 100.0% 
35 Houdini 1.5a x64               168.0/500  33.6  -118.3  29.9  +136-300=64                    5.0%  0.0%  5.0%  0.0%  10.0% 0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  10.0% 5.0%  10.0% 0.0%  10.0%  10.0% 20.0%  0.0%  20.0%  55.0%  25.0%  20.0%  40.0%  55.0%  40.0%         60.0%  25.0%  60.0%  70.0%  95.0%  80.0%  80.0%  85.0%  85.0%  90.0%  100.0% 100.0% 95.0%  100.0% 100.0% 100.0% 
36 OpenCritter v1.1.37            159.0/500  31.8  -132.5  28.9  +111-293=96                    0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  5.0%  5.0%  5.0%  5.0%  15.0% 5.0%  0.0%  0.0%  5.0%  10.0% 10.0% 5.0%  5.0%  5.0%  10.0% 10.0% 15.0% 10.0%  0.0%  0.0%   15.0% 30.0%  25.0%  15.0%  30.0%  40.0%  40.0%  45.0%  40.0%         50.0%  60.0%  65.0%  70.0%  65.0%  55.0%  75.0%  70.0%  70.0%  100.0% 100.0% 100.0% 100.0% 95.0%  100.0% 
37 ECE 26.8 Intuition HBuP        149.5/500  29.9  -148.0  30.6  +116-317=67                    5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  10.0% 0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  15.0%  15.0% 10.0%  10.0% 5.0%   15.0%  15.0%  15.0%  25.0%  40.0%  35.0%  75.0%  50.0%         55.0%  65.0%  75.0%  70.0%  90.0%  80.0%  65.0%  70.0%  85.0%  80.0%  100.0% 100.0% 95.0%  100.0% 
38 monty 1.0.0                    139.0/500  27.8  -165.8  31.5  +109-331=60                    10.0% 10.0% 0.0%  5.0%  5.0%  5.0%  5.0%  0.0%  0.0%  0.0%  10.0% 5.0%  5.0%  10.0% 0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  5.0%  5.0%  5.0%  5.0%   5.0%  5.0%   0.0%  10.0%  20.0%  25.0%  15.0%  25.0%  40.0%  20.0%  40.0%  40.0%  45.0%         55.0%  65.0%  60.0%  45.0%  100.0% 80.0%  55.0%  75.0%  90.0%  95.0%  90.0%  100.0% 95.0%  
39 Crafty 25.2.1                  129.5/500  25.9  -182.6  31.2  +91-332=77                     0.0%  5.0%  0.0%  5.0%  5.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  5.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  20.0% 0.0%  10.0% 0.0%   5.0%  5.0%   10.0% 15.0%  15.0%  30.0%  10.0%  5.0%   15.0%  20.0%  30.0%  35.0%  35.0%  45.0%         60.0%  60.0%  55.0%  50.0%  80.0%  60.0%  90.0%  95.0%  100.0% 95.0%  100.0% 95.0%  
40 Spike 1.4.2                    122.0/500  24.4  -196.5  32.0  +86-342=72                     0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  5.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  5.0%  0.0%  10.0% 5.0%  0.0%  5.0%  5.0%  5.0%  0.0%  0.0%  5.0%   0.0%  0.0%   0.0%  15.0%  10.0%  10.0%  10.0%  20.0%  15.0%  5.0%   5.0%   30.0%  25.0%  35.0%  40.0%         55.0%  55.0%  80.0%  60.0%  90.0%  95.0%  95.0%  100.0% 100.0% 100.0% 95.0%  
41 Spike 1.4.1                    120.5/500  24.1  -199.3  32.6  +89-348=63                     0.0%  0.0%  0.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%   0.0%  5.0%   0.0%  5.0%   25.0%  0.0%   25.0%  15.0%  25.0%  20.0%  20.0%  35.0%  30.0%  40.0%  40.0%  45.0%         70.0%  50.0%  75.0%  80.0%  75.0%  100.0% 100.0% 100.0% 95.0%  100.0% 
42 Colossus Chess 2026b           118.0/500  23.6  -204.1  33.3  +91-355=54                     0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  5.0%  0.0%  5.0%  5.0%  0.0%  5.0%  0.0%  0.0%  10.0%  10.0% 0.0%   5.0%  15.0%  10.0%  15.0%  5.0%   15.0%  20.0%  30.0%  20.0%  45.0%  10.0%  55.0%  45.0%  45.0%  30.0%         60.0%  60.0%  85.0%  100.0% 80.0%  95.0%  90.0%  100.0% 95.0%  
43 Rybka 1.0 Beta                  97.5/500  19.5  -246.3  34.9  +68-373=59                     0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  5.0%  0.0%  5.0%  10.0% 5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  0.0%   5.0%  0.0%   0.0%  5.0%   20.0%  5.0%   5.0%   15.0%  10.0%  20.0%  15.0%  25.0%  20.0%  0.0%   50.0%  20.0%  50.0%  40.0%         45.0%  40.0%  70.0%  80.0%  100.0% 95.0%  100.0% 100.0% 
44 Colossus 2025b                  96.0/500  19.2  -249.6  34.7  +64-372=64                     5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  5.0%  0.0%  5.0%  5.0%  0.0%   0.0%  0.0%   10.0% 15.0%  0.0%   5.0%   15.0%  15.0%  10.0%  10.0%  15.0%  30.0%  35.0%  20.0%  20.0%  40.0%  25.0%  40.0%  55.0%         30.0%  80.0%  95.0%  95.0%  95.0%  85.0%  85.0%  
45 Colossus Chess 2026a            95.5/500  19.1  -250.8  35.9  +72-381=47                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  10.0% 0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  10.0% 0.0%  0.0%  0.0%   5.0%  0.0%   0.0%  5.0%   0.0%   15.0%  15.0%  10.0%  15.0%  0.0%   10.0%  30.0%  30.0%  45.0%  40.0%  10.0%  20.0%  15.0%  60.0%  70.0%         75.0%  75.0%  100.0% 95.0%  85.0%  100.0% 
46 Euphron NEO 0.47                57.5/500  11.5  -354.5  45.1  +44-429=27                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%   0.0%  5.0%   0.0%  0.0%   5.0%   0.0%   5.0%   0.0%   5.0%   5.0%   0.0%   0.0%   15.0%  25.0%  10.0%  5.0%   25.0%  0.0%   30.0%  20.0%  25.0%         55.0%  90.0%  60.0%  95.0%  90.0%  
47 Pharaon 3.5.1                   44.0/500   8.8  -406.2  49.5  +29-441=30                     0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  5.0%   0.0%  0.0%   5.0%  0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   5.0%   0.0%   0.0%   20.0%  10.0%  5.0%   5.0%   0.0%   20.0%  20.0%  5.0%   25.0%  45.0%         65.0%  60.0%  50.0%  75.0%  
48 SOS 5 for Arena                 30.0/500   6.0  -478.0  61.4  +22-462=16       [1 time loss] 0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  5.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%   0.0%  0.0%   0.0%  0.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   5.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   5.0%   0.0%   10.0%  35.0%         75.0%  65.0%  75.0%  
49 Yace 0.99.87                    27.5/500   5.5  -494.0  63.4  +19-464=17                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%   0.0%  0.0%   0.0%  0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   10.0%  5.0%   0.0%   0.0%   10.0%  5.0%   5.0%   5.0%   40.0%  40.0%  25.0%         70.0%  50.0%  
50 Quark v2.35Paderborn            24.5/500   4.9  -515.2  68.3  +18-469=13                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%  0.0%  0.0%  0.0%   5.0%  0.0%   0.0%  0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   15.0%  15.0%  5.0%   50.0%  35.0%  30.0%         70.0%  
51 PatzerUCI/FRC                   18.5/500   3.7  -566.2  78.7  +13-476=11                     0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  0.0%  5.0%  0.0%   0.0%  0.0%   0.0%  0.0%   0.0%   0.0%   5.0%   0.0%   0.0%   0.0%   0.0%   0.0%   0.0%   5.0%   5.0%   5.0%   0.0%   5.0%   0.0%   15.0%  0.0%   10.0%  25.0%  25.0%  50.0%  30.0%         

12750/12750 games, 26% draws, time control:120+1, book:avt-2026b.pgn
This looks like a good progress for Colossus!
Hopefully get an NNUE sorted for it next :o
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Tord Romstad
Posts: 1822
Joined: Wed Mar 08, 2006 9:19 pm
Location: Paris, France
Full name: Tord Romstad

Re: Colossus 2026b now available

Post by Tord Romstad »

Awesome!

Is this the oldest chess engine still in development?
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