Arasan 26.1 is available from https://arasanchess.org.
Changes in Arasan 26.1:
1) Changes to futility margin calculation
2) Rework history heuristic and history pruning, retune
3) Add some utility/tool programs: filter_pgn.py, bulletstats
4) LMR changes and tuning with Lakas
5) Fixes/enhancements to selfplay utility
6) Scale eval by material level
7) Stricter FEN parsing and error reporting
8) Retrain network with 3-tier learning/WDL schedule, as in Pawnocchio
Game test results against version 26.0:
Results of Arasan-Test vs Arasan-Base (180+1, 1t, 512MB, 8moves_v3.pgn):
Elo: 16.11 +/- 3.77, nElo: 53.25 +/- 12.43
LOS: 100.00 %, DrawRatio: 82.47 %, PairsRatio: 3.11
Games: 3000, Wins: 240, Losses: 101, Draws: 2659, Points: 1569.5 (52.32 %)
Ptnml(0-2): [2, 62, 1237, 193, 6], WL/DD Ratio: 0.03
Arasan 26.1
Moderator: Ras
-
jdart
- Posts: 4447
- Joined: Fri Mar 10, 2006 5:23 am
- Location: http://www.arasanchess.org
-
Dann Corbit
- Posts: 12897
- Joined: Wed Mar 08, 2006 8:57 pm
- Location: Redmond, WA USA
Re: Arasan 26.1
Fantastic! Thanks Jon
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
-
chessica
- Posts: 1153
- Joined: Thu Aug 11, 2022 11:30 pm
- Full name: Esmeralda Pinto
Re: Arasan 26.1
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 52 53 54 55
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1 Triumviratus - 8.0 437.5/540 81.0 +252.1 23.2 +335-0=205 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 60.0% 60.0% 55.0% 75.0% 60.0% 65.0% 60.0% 75.0% 85.0% 85.0% 75.0% 80.0% 60.0% 85.0% 90.0% 90.0% 90.0% 85.0% 80.0% 90.0% 95.0% 95.0% 95.0% 95.0% 100.0% 100.0% 100.0% 95.0% 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%
2 Stockfish 19 435.5/540 80.6 +247.9 22.9 +331-0=209 50.0% 50.0% 55.0% 55.0% 55.0% 50.0% 50.0% 55.0% 50.0% 60.0% 55.0% 65.0% 60.0% 60.0% 60.0% 60.0% 70.0% 60.0% 70.0% 70.0% 75.0% 85.0% 80.0% 70.0% 85.0% 80.0% 95.0% 90.0% 95.0% 90.0% 95.0% 95.0% 90.0% 95.0% 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%
3 Stockfish 18 434.0/540 80.4 +244.9 22.7 +328-0=212 50.0% 50.0% 50.0% 50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 55.0% 65.0% 65.0% 50.0% 60.0% 70.0% 70.0% 80.0% 70.0% 75.0% 65.0% 70.0% 80.0% 65.0% 85.0% 80.0% 90.0% 90.0% 95.0% 90.0% 90.0% 80.0% 90.0% 90.0% 95.0% 100.0% 90.0% 95.0% 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%
4 Revolution-5.90-140626 434.0/540 80.4 +244.9 23.1 +330-2=208 50.0% 45.0% 50.0% 50.0% 45.0% 50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 55.0% 60.0% 55.0% 60.0% 70.0% 50.0% 70.0% 70.0% 75.0% 80.0% 85.0% 95.0% 85.0% 80.0% 85.0% 100.0% 95.0% 80.0% 85.0% 90.0% 95.0% 100.0% 100.0% 100.0% 95.0% 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% 95.0% 100.0% 100.0% 100.0% 100.0%
5 Reckless 0.10.0-dev 432.5/540 80.1 +241.8 22.9 +327-2=211 45.0% 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% 70.0% 75.0% 65.0% 80.0% 80.0% 90.0% 90.0% 90.0% 85.0% 85.0% 80.0% 85.0% 95.0% 95.0% 85.0% 95.0% 85.0% 100.0% 100.0% 90.0% 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%
6 Reckless 0.9.0 431.5/540 79.9 +239.8 22.6 +324-1=215 50.0% 45.0% 50.0% 55.0% 50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 50.0% 55.0% 55.0% 75.0% 65.0% 65.0% 60.0% 60.0% 75.0% 70.0% 75.0% 70.0% 85.0% 75.0% 90.0% 90.0% 85.0% 85.0% 90.0% 95.0% 90.0% 100.0% 100.0% 100.0% 95.0% 95.0% 90.0% 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%
7 Cool Iris 16 430.5/540 79.7 +237.8 22.3 +321-0=219 50.0% 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% 65.0% 70.0% 80.0% 70.0% 80.0% 70.0% 85.0% 85.0% 85.0% 90.0% 85.0% 80.0% 90.0% 100.0% 90.0% 90.0% 95.0% 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%
8 Rems M-091024 425.0/540 78.7 +227.1 21.8 +311-1=228 50.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 55.0% 50.0% 50.0% 55.0% 50.0% 65.0% 55.0% 55.0% 55.0% 70.0% 65.0% 55.0% 65.0% 85.0% 85.0% 75.0% 85.0% 90.0% 75.0% 95.0% 80.0% 80.0% 80.0% 95.0% 85.0% 90.0% 95.0% 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 Coda 0.9.4 424.5/540 78.6 +226.1 22.6 +315-6=219 45.0% 45.0% 45.0% 45.0% 50.0% 50.0% 50.0% 45.0% 50.0% 55.0% 50.0% 55.0% 45.0% 60.0% 65.0% 55.0% 65.0% 60.0% 60.0% 70.0% 70.0% 85.0% 85.0% 85.0% 90.0% 85.0% 95.0% 90.0% 90.0% 75.0% 85.0% 100.0% 95.0% 100.0% 90.0% 100.0% 95.0% 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%
10 PlentyChess 8.0.0 422.5/540 78.2 +222.3 21.5 +306-1=233 50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 50.0% 50.0% 50.0% 55.0% 50.0% 50.0% 50.0% 65.0% 65.0% 55.0% 50.0% 65.0% 60.0% 60.0% 65.0% 75.0% 65.0% 85.0% 85.0% 90.0% 100.0% 85.0% 80.0% 85.0% 95.0% 90.0% 90.0% 95.0% 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%
11 PlentyChess 7.0.26 422.0/540 78.1 +221.4 22.1 +309-5=226 50.0% 40.0% 45.0% 50.0% 50.0% 50.0% 50.0% 50.0% 45.0% 45.0% 50.0% 50.0% 50.0% 60.0% 50.0% 55.0% 55.0% 60.0% 70.0% 65.0% 60.0% 85.0% 70.0% 80.0% 100.0% 85.0% 85.0% 90.0% 95.0% 95.0% 90.0% 100.0% 95.0% 95.0% 100.0% 100.0% 90.0% 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 Obsidian dev-16.08 419.5/540 77.7 +216.7 22.1 +306-7=227 40.0% 45.0% 35.0% 50.0% 50.0% 50.0% 50.0% 45.0% 50.0% 50.0% 50.0% 55.0% 50.0% 60.0% 60.0% 60.0% 55.0% 55.0% 60.0% 60.0% 75.0% 75.0% 80.0% 85.0% 80.0% 80.0% 90.0% 95.0% 85.0% 80.0% 85.0% 90.0% 95.0% 95.0% 100.0% 100.0% 95.0% 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%
13 Tarnished v6.0 (Eternal) 416.5/540 77.1 +211.2 23.0 +308-15=217 40.0% 35.0% 35.0% 45.0% 45.0% 45.0% 40.0% 50.0% 45.0% 50.0% 50.0% 45.0% 50.0% 60.0% 55.0% 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% 90.0% 100.0% 95.0% 100.0% 95.0% 100.0% 100.0% 90.0% 100.0% 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%
14 Berserk 14 412.5/540 76.4 +204.0 22.5 +300-15=225 45.0% 40.0% 50.0% 40.0% 35.0% 45.0% 45.0% 35.0% 55.0% 50.0% 50.0% 50.0% 50.0% 55.0% 55.0% 45.0% 50.0% 55.0% 65.0% 60.0% 80.0% 65.0% 70.0% 80.0% 80.0% 90.0% 85.0% 85.0% 90.0% 90.0% 90.0% 100.0% 85.0% 95.0% 90.0% 100.0% 90.0% 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%
15 Viridithas 20.0.0-dev 400.5/540 74.2 +183.2 23.6 +296-35=209 25.0% 40.0% 40.0% 45.0% 45.0% 25.0% 35.0% 45.0% 40.0% 35.0% 40.0% 40.0% 40.0% 45.0% 60.0% 55.0% 50.0% 55.0% 70.0% 60.0% 75.0% 55.0% 80.0% 70.0% 90.0% 80.0% 90.0% 70.0% 95.0% 85.0% 90.0% 95.0% 90.0% 90.0% 90.0% 90.0% 100.0% 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%
16 RubiChess 20240817 (avx512) 396.5/540 73.4 +176.6 23.4 +290-37=213 40.0% 40.0% 30.0% 40.0% 30.0% 35.0% 25.0% 45.0% 35.0% 35.0% 50.0% 40.0% 45.0% 45.0% 40.0% 50.0% 50.0% 45.0% 60.0% 55.0% 65.0% 65.0% 75.0% 75.0% 85.0% 75.0% 85.0% 85.0% 95.0% 95.0% 90.0% 90.0% 85.0% 90.0% 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%
17 Igel 3.7.0 64 POPCNT AVX2 392.5/540 72.7 +170.0 22.2 +275-30=235 35.0% 40.0% 30.0% 30.0% 40.0% 35.0% 40.0% 45.0% 45.0% 45.0% 45.0% 40.0% 45.0% 55.0% 45.0% 50.0% 60.0% 50.0% 55.0% 55.0% 60.0% 60.0% 75.0% 70.0% 75.0% 70.0% 85.0% 80.0% 80.0% 80.0% 100.0% 90.0% 80.0% 100.0% 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%
18 RubiChess 20240817 (avx2) 388.5/540 71.9 +163.6 22.4 +273-36=231 40.0% 30.0% 20.0% 50.0% 30.0% 40.0% 40.0% 30.0% 35.0% 50.0% 45.0% 45.0% 45.0% 50.0% 50.0% 50.0% 40.0% 45.0% 45.0% 60.0% 75.0% 55.0% 75.0% 65.0% 70.0% 75.0% 85.0% 90.0% 85.0% 80.0% 90.0% 95.0% 90.0% 100.0% 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%
19 Arasan 26.1 385.5/540 71.4 +158.8 22.6 +272-41=227 25.0% 40.0% 30.0% 30.0% 30.0% 40.0% 35.0% 35.0% 40.0% 35.0% 40.0% 45.0% 45.0% 45.0% 45.0% 55.0% 50.0% 55.0% 50.0% 45.0% 65.0% 60.0% 70.0% 70.0% 80.0% 85.0% 80.0% 85.0% 85.0% 90.0% 80.0% 85.0% 95.0% 95.0% 85.0% 85.0% 100.0% 95.0% 95.0% 90.0% 90.0% 100.0% 100.0% 100.0% 90.0% 95.0% 95.0% 100.0% 100.0% 95.0% 100.0% 100.0% 100.0% 100.0%
20 Chess System Tal 2.06 E1019 378.0/540 70.0 +147.2 23.7 +275-59=206 15.0% 30.0% 25.0% 30.0% 25.0% 25.0% 30.0% 45.0% 40.0% 40.0% 30.0% 40.0% 40.0% 35.0% 30.0% 40.0% 45.0% 55.0% 50.0% 55.0% 70.0% 50.0% 65.0% 60.0% 75.0% 85.0% 80.0% 80.0% 80.0% 80.0% 95.0% 85.0% 95.0% 90.0% 100.0% 95.0% 90.0% 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%
21 Rebel 16.3a 376.0/540 69.6 +144.1 23.5 +271-59=210 15.0% 30.0% 35.0% 25.0% 35.0% 30.0% 20.0% 35.0% 30.0% 40.0% 35.0% 40.0% 30.0% 40.0% 40.0% 45.0% 45.0% 40.0% 55.0% 45.0% 65.0% 65.0% 75.0% 70.0% 70.0% 75.0% 65.0% 70.0% 85.0% 70.0% 90.0% 85.0% 100.0% 95.0% 95.0% 100.0% 95.0% 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%
22 Alexander 7 347.0/540 64.3 +101.9 23.8 +249-95=196 25.0% 25.0% 30.0% 20.0% 20.0% 25.0% 30.0% 15.0% 30.0% 35.0% 40.0% 25.0% 30.0% 20.0% 25.0% 35.0% 40.0% 25.0% 35.0% 30.0% 35.0% 45.0% 55.0% 55.0% 65.0% 65.0% 70.0% 70.0% 80.0% 90.0% 85.0% 70.0% 90.0% 95.0% 95.0% 90.0% 85.0% 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%
23 Maverick NNUE 1.0a 344.5/540 63.8 +98.4 23.7 +245-96=199 20.0% 15.0% 20.0% 15.0% 20.0% 30.0% 20.0% 15.0% 15.0% 25.0% 15.0% 25.0% 35.0% 35.0% 45.0% 35.0% 40.0% 45.0% 40.0% 50.0% 35.0% 55.0% 55.0% 65.0% 55.0% 65.0% 90.0% 70.0% 80.0% 70.0% 90.0% 80.0% 75.0% 85.0% 100.0% 95.0% 85.0% 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%
24 Shredder Classic 6 329.0/540 60.9 +77.2 24.0 +236-118=186 40.0% 20.0% 35.0% 5.0% 10.0% 15.0% 30.0% 25.0% 15.0% 35.0% 30.0% 20.0% 10.0% 30.0% 20.0% 25.0% 25.0% 25.0% 30.0% 35.0% 25.0% 45.0% 45.0% 45.0% 60.0% 60.0% 70.0% 70.0% 55.0% 80.0% 80.0% 85.0% 85.0% 90.0% 90.0% 100.0% 85.0% 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%
25 Willow 4.0 325.5/540 60.3 +72.4 24.5 +239-128=173 15.0% 30.0% 15.0% 15.0% 10.0% 25.0% 15.0% 15.0% 15.0% 15.0% 20.0% 15.0% 20.0% 20.0% 30.0% 25.0% 30.0% 35.0% 30.0% 40.0% 30.0% 45.0% 35.0% 55.0% 55.0% 40.0% 50.0% 65.0% 75.0% 75.0% 90.0% 80.0% 90.0% 90.0% 90.0% 100.0% 95.0% 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%
26 Winter 4.0 JA BMI2 306.5/540 56.8 +47.3 24.9 +229-156=155 10.0% 15.0% 20.0% 20.0% 10.0% 10.0% 15.0% 10.0% 10.0% 15.0% 0.0% 20.0% 15.0% 20.0% 10.0% 15.0% 25.0% 30.0% 20.0% 25.0% 30.0% 35.0% 45.0% 40.0% 45.0% 50.0% 65.0% 65.0% 80.0% 70.0% 70.0% 90.0% 90.0% 70.0% 90.0% 85.0% 90.0% 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%
27 Cheng 4.48a (bundled) 302.5/540 56.0 +42.0 24.6 +220-155=165 10.0% 20.0% 10.0% 15.0% 15.0% 10.0% 15.0% 25.0% 15.0% 10.0% 15.0% 20.0% 15.0% 10.0% 20.0% 25.0% 30.0% 25.0% 15.0% 15.0% 25.0% 35.0% 35.0% 40.0% 60.0% 50.0% 45.0% 50.0% 60.0% 80.0% 75.0% 65.0% 80.0% 85.0% 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%
28 Houdidit 6.03 Pro x64 289.5/540 53.6 +25.1 25.3 +219-180=141 10.0% 5.0% 10.0% 0.0% 15.0% 15.0% 10.0% 5.0% 5.0% 0.0% 15.0% 10.0% 30.0% 15.0% 10.0% 15.0% 15.0% 15.0% 20.0% 20.0% 35.0% 30.0% 10.0% 30.0% 50.0% 35.0% 55.0% 60.0% 45.0% 75.0% 90.0% 75.0% 75.0% 80.0% 85.0% 95.0% 80.0% 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%
29 Komodo 14.1 64-bit 288.5/540 53.4 +23.8 24.8 +210-173=157 15.0% 10.0% 5.0% 5.0% 20.0% 15.0% 15.0% 20.0% 10.0% 15.0% 10.0% 5.0% 10.0% 15.0% 30.0% 15.0% 20.0% 10.0% 15.0% 20.0% 30.0% 30.0% 30.0% 30.0% 35.0% 35.0% 50.0% 40.0% 60.0% 80.0% 85.0% 70.0% 75.0% 75.0% 75.0% 75.0% 85.0% 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%
30 EveAnn 7.0 266.5/540 49.4 -4.5 24.6 +186-193=161 20.0% 5.0% 10.0% 20.0% 15.0% 10.0% 20.0% 20.0% 10.0% 20.0% 5.0% 15.0% 10.0% 10.0% 5.0% 5.0% 20.0% 15.0% 15.0% 20.0% 15.0% 20.0% 20.0% 45.0% 25.0% 20.0% 40.0% 55.0% 40.0% 60.0% 50.0% 65.0% 65.0% 80.0% 70.0% 80.0% 75.0% 70.0% 80.0% 70.0% 85.0% 90.0% 95.0% 95.0% 100.0% 100.0% 95.0% 95.0% 95.0% 100.0% 100.0% 100.0% 100.0% 100.0%
31 EveAnn 5.0 64-bit (bundled) 247.5/540 45.8 -29.0 25.2 +176-221=143 10.0% 10.0% 10.0% 15.0% 5.0% 5.0% 10.0% 20.0% 25.0% 15.0% 5.0% 20.0% 0.0% 10.0% 15.0% 5.0% 20.0% 20.0% 10.0% 20.0% 30.0% 10.0% 30.0% 20.0% 25.0% 30.0% 20.0% 25.0% 20.0% 40.0% 30.0% 60.0% 80.0% 65.0% 60.0% 65.0% 55.0% 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%
32 Colossus Chess 2026c 236.5/540 43.8 -43.3 26.3 +181-248=111 5.0% 5.0% 20.0% 10.0% 5.0% 10.0% 0.0% 5.0% 15.0% 5.0% 10.0% 15.0% 5.0% 10.0% 10.0% 10.0% 0.0% 10.0% 20.0% 5.0% 10.0% 15.0% 10.0% 20.0% 10.0% 30.0% 25.0% 10.0% 15.0% 50.0% 70.0% 55.0% 55.0% 60.0% 80.0% 70.0% 70.0% 65.0% 90.0% 80.0% 85.0% 90.0% 85.0% 80.0% 95.0% 90.0% 90.0% 100.0% 95.0% 95.0% 100.0% 100.0% 100.0% 95.0%
33 Myrddin 0.96 230.0/540 42.6 -51.9 26.1 +170-250=120 [1 illegal move] 5.0% 5.0% 10.0% 5.0% 15.0% 0.0% 10.0% 15.0% 0.0% 10.0% 0.0% 10.0% 0.0% 0.0% 5.0% 10.0% 10.0% 5.0% 15.0% 15.0% 15.0% 30.0% 20.0% 15.0% 20.0% 10.0% 35.0% 25.0% 30.0% 35.0% 40.0% 45.0% 40.0% 60.0% 80.0% 75.0% 85.0% 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%
34 IsaBB NN 4.5 (avx2, bundled) 217.0/540 40.2 -69.1 26.3 +158-264=118 5.0% 10.0% 10.0% 0.0% 5.0% 0.0% 10.0% 10.0% 5.0% 10.0% 5.0% 5.0% 5.0% 15.0% 10.0% 15.0% 20.0% 10.0% 5.0% 5.0% 0.0% 10.0% 25.0% 15.0% 10.0% 10.0% 20.0% 25.0% 25.0% 35.0% 20.0% 45.0% 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%
35 Fable 5.1 215.5/540 39.9 -71.1 27.2 +170-279=91 5.0% 5.0% 5.0% 0.0% 15.0% 0.0% 5.0% 5.0% 0.0% 5.0% 5.0% 5.0% 0.0% 5.0% 10.0% 10.0% 0.0% 0.0% 5.0% 10.0% 5.0% 5.0% 15.0% 10.0% 10.0% 30.0% 15.0% 20.0% 25.0% 20.0% 35.0% 40.0% 40.0% 55.0% 80.0% 55.0% 60.0% 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%
36 Sable 1.6 196.0/540 36.3 -97.7 27.6 +150-298=92 0.0% 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% 15.0% 0.0% 5.0% 5.0% 0.0% 10.0% 10.0% 10.0% 5.0% 15.0% 25.0% 30.0% 40.0% 20.0% 20.0% 50.0% 20.0% 60.0% 65.0% 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%
37 Critter 1.6a 64-bit 190.0/540 35.2 -106.1 27.9 +146-306=88 0.0% 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% 15.0% 5.0% 0.0% 10.0% 5.0% 0.0% 0.0% 15.0% 15.0% 5.0% 25.0% 20.0% 35.0% 30.0% 25.0% 55.0% 45.0% 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%
38 Equinox 3.30 x64mp 189.0/540 35.0 -107.5 27.0 +132-294=114 0.0% 0.0% 5.0% 0.0% 10.0% 10.0% 0.0% 0.0% 5.0% 0.0% 10.0% 5.0% 0.0% 10.0% 0.0% 5.0% 5.0% 10.0% 0.0% 10.0% 5.0% 15.0% 15.0% 15.0% 5.0% 10.0% 15.0% 20.0% 15.0% 25.0% 45.0% 30.0% 15.0% 55.0% 40.0% 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%
39 Houdini 1.5a x64 175.5/540 32.5 -127.0 29.0 +141-330=69 5.0% 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% 5.0% 10.0% 5.0% 10.0% 0.0% 10.0% 10.0% 20.0% 0.0% 30.0% 20.0% 35.0% 55.0% 20.0% 25.0% 40.0% 40.0% 55.0% 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%
40 OpenCritter v1.1.37 162.5/540 30.1 -146.4 28.2 +111-326=103 0.0% 0.0% 0.0% 5.0% 0.0% 0.0% 5.0% 5.0% 5.0% 5.0% 15.0% 5.0% 5.0% 0.0% 0.0% 5.0% 10.0% 10.0% 5.0% 5.0% 5.0% 5.0% 10.0% 10.0% 15.0% 10.0% 0.0% 0.0% 15.0% 20.0% 30.0% 10.0% 25.0% 30.0% 15.0% 40.0% 45.0% 40.0% 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%
41 ECE 26.8 Intuition HBuP 155.5/540 28.8 -157.3 29.7 +119-348=73 0.0% 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% 10.0% 0.0% 0.0% 0.0% 0.0% 10.0% 0.0% 15.0% 15.0% 10.0% 10.0% 30.0% 5.0% 20.0% 15.0% 15.0% 15.0% 25.0% 35.0% 40.0% 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%
42 monty 1.0.0 143.0/540 26.5 -177.4 30.5 +109-363=68 0.0% 10.0% 10.0% 0.0% 5.0% 5.0% 5.0% 0.0% 5.0% 0.0% 10.0% 0.0% 5.0% 5.0% 10.0% 0.0% 0.0% 5.0% 10.0% 0.0% 0.0% 0.0% 5.0% 5.0% 5.0% 5.0% 5.0% 5.0% 0.0% 15.0% 10.0% 15.0% 20.0% 15.0% 25.0% 25.0% 20.0% 40.0% 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%
43 Crafty 25.2.1 131.5/540 24.4 -196.9 30.6 +91-368=81 0.0% 0.0% 5.0% 0.0% 5.0% 5.0% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 5.0% 0.0% 5.0% 0.0% 5.0% 10.0% 0.0% 5.0% 0.0% 0.0% 20.0% 0.0% 10.0% 0.0% 5.0% 5.0% 10.0% 10.0% 15.0% 10.0% 15.0% 10.0% 30.0% 5.0% 20.0% 15.0% 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%
44 Spike 1.4.2 124.5/540 23.1 -209.4 31.4 +87-378=75 5.0% 0.0% 0.0% 5.0% 0.0% 0.0% 5.0% 5.0% 5.0% 10.0% 0.0% 5.0% 0.0% 0.0% 5.0% 0.0% 10.0% 5.0% 0.0% 0.0% 5.0% 5.0% 5.0% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 5.0% 15.0% 15.0% 10.0% 10.0% 10.0% 20.0% 5.0% 15.0% 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%
45 Spike 1.4.1 123.5/540 22.9 -211.2 31.8 +90-383=67 5.0% 0.0% 0.0% 0.0% 0.0% 5.0% 10.0% 0.0% 5.0% 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% 0.0% 0.0% 0.0% 5.0% 0.0% 5.0% 5.0% 20.0% 25.0% 25.0% 0.0% 15.0% 20.0% 25.0% 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%
46 Colossus Chess 2026b 119.5/540 22.1 -218.6 32.7 +91-392=57 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% 0.0% 0.0% 0.0% 5.0% 0.0% 10.0% 5.0% 5.0% 0.0% 5.0% 0.0% 0.0% 10.0% 10.0% 0.0% 5.0% 0.0% 15.0% 5.0% 10.0% 5.0% 15.0% 15.0% 30.0% 20.0% 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%
47 Rybka 1.0 Beta 99.0/540 18.3 -259.5 34.3 +68-410=62 0.0% 0.0% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 5.0% 5.0% 5.0% 10.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 0.0% 10.0% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 5.0% 10.0% 20.0% 5.0% 5.0% 15.0% 20.0% 10.0% 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%
48 Colossus 2025b 98.0/540 18.1 -261.7 34.1 +65-409=66 0.0% 5.0% 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% 5.0% 5.0% 5.0% 0.0% 0.0% 5.0% 0.0% 5.0% 5.0% 0.0% 0.0% 0.0% 10.0% 5.0% 15.0% 10.0% 0.0% 15.0% 5.0% 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%
49 Colossus Chess 2026a 96.5/540 17.9 -264.9 35.4 +72-419=49 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% 10.0% 0.0% 5.0% 0.0% 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% 5.0% 0.0% 0.0% 15.0% 15.0% 10.0% 0.0% 15.0% 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%
50 Euphron NEO 0.47 58.5/540 10.8 -366.2 44.4 +44-467=29 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% 0.0% 0.0% 5.0% 0.0% 5.0% 0.0% 5.0% 5.0% 5.0% 0.0% 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%
51 Pharaon 3.5.1 45.0/540 8.3 -416.6 48.6 +29-479=32 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% 5.0% 0.0% 0.0% 0.0% 5.0% 0.0% 0.0% 5.0% 0.0% 0.0% 5.0% 0.0% 0.0% 5.0% 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%
52 SOS 5 for Arena 30.0/540 5.6 -492.2 61.3 +22-502=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% 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% 0.0% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 0.0% 5.0% 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%
53 Yace 0.99.87 27.5/540 5.1 -508.1 63.3 +19-504=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% 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% 5.0% 0.0% 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%
54 Quark v2.35Paderborn 24.5/540 4.5 -529.2 68.2 +18-509=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% 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% 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%
55 PatzerUCI/FRC 19.0/540 3.5 -575.2 77.0 +13-515=12 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% 0.0% 0.0% 5.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 5.0% 0.0% 5.0% 0.0% 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%
14850/14850 games, 27% draws, time control:120+1, book:avt-2026b.pgn
-
chessica
- Posts: 1153
- Joined: Thu Aug 11, 2022 11:30 pm
- Full name: Esmeralda Pinto
Re: Arasan 26.1
Code: Select all
# PLAYER : RATING POINTS PLAYED (%)
1 Triumviratus - 8.0 : 3969.2 437.5 540 81.0%
2 Stockfish 18 : 3964.7 512.5 643 79.7%
3 Stockfish 19 : 3964.0 435.5 540 80.6%
4 Revolution-5.90-140626 : 3961.6 513.5 646 79.5%
5 Reckless 0.9.0 : 3958.4 509.5 643 79.2%
6 Cool Iris 16 : 3958.2 609.5 770 79.2%
7 Reckless 0.10.0-dev : 3956.2 432.5 540 80.1%
8 Rems M-091024 : 3939.5 499.5 642 77.8%
9 Coda 0.9.4 : 3935.9 424.5 540 78.6%
10 PlentyChess 8.0.0 : 3930.9 422.5 540 78.2%
11 Obsidian dev-16.08 : 3929.7 496.5 645 77.0%
12 PlentyChess 7.0.26 : 3925.3 589.5 770 76.6%
13 Tarnished v6.0 (Eternal) : 3912.6 486.5 643 75.7%
14 Berserk 14 : 3908.0 486.5 646 75.3%
15 Viridithas 20.0.0-dev : 3876.4 467.0 642 72.7%
16 RubiChess 20240817 (avx512) : 3866.6 514.5 715 72.0%
17 Igel 3.7.0 64 POPCNT AVX2 : 3858.9 392.5 540 72.7%
18 Arasan 26.1 : 3842.7 385.5 540 71.4%
19 Rebel 16.3a : 3831.7 529.5 771 68.7%
20 Chess System Tal 2.06 E1019 : 3823.7 440.0 645 68.2%
21 RubiChess 20240817 (avx2) : 3817.3 509.0 755 67.4%
22 Maverick NNUE 1.0a : 3749.8 475.5 772 61.6%
23 Alexander 7 : 3749.4 398.0 642 62.0%
24 Shredder Classic 6 : 3713.7 330.0 541 61.0%
25 Willow 4.0 : 3700.2 371.5 642 57.9%
26 Winter 4.0 JA BMI2 : 3670.4 424.5 774 54.8%
27 Cheng 4.48a (bundled) : 3641.6 341.5 645 52.9%
28 Komodo 14.1 64-bit : 3621.1 331.0 645 51.3%
29 Houdidit 6.03 Pro x64 : 3620.3 289.5 540 53.6%
30 EveAnn 7.0 : 3563.6 266.5 540 49.4%
31 EveAnn 5.0 64-bit (bundled) : 3504.8 274.5 643 42.7%
32 Colossus Chess 2026c : 3486.2 236.5 540 43.8%
33 Myrddin 0.96 : 3474.9 261.0 643 40.6%
34 IsaBB NN 4.5 (avx2, bundled) : 3437.4 244.5 642 38.1%
35 Fable 5.1 : 3429.2 215.5 540 39.9%
36 Sable 1.6 : 3377.3 219.5 643 34.1%
37 Equinox 3.30 x64mp : 3353.5 189.0 540 35.0%
38 Critter 1.6a 64-bit : 3342.3 205.5 642 32.0%
39 Houdini 1.5a x64 : 3314.0 176.0 544 32.4%
40 OpenCritter v1.1.37 : 3272.6 162.5 540 30.1%
41 ECE 26.8 Intuition HBuP : 3250.1 155.5 540 28.8%
42 monty 1.0.0 : 3226.7 163.0 645 25.3%
43 Crafty 25.2.1 : 3167.9 163.5 772 21.2%
44 Spike 1.4.1 : 3147.6 137.0 642 21.3%
45 Spike 1.4.2 : 3142.9 124.5 540 23.1%
46 Colossus Chess 2026b : 3124.2 119.5 540 22.1%
47 Rybka 1.0 Beta : 3041.3 99.0 540 18.3%
48 Colossus 2025b : 3039.1 106.0 642 16.5%
49 Colossus Chess 2026a : 3030.4 96.5 540 17.9%
50 Euphron NEO 0.47 : 2833.0 58.5 540 10.8%
51 Pharaon 3.5.1 : 2755.4 48.5 643 7.5%
52 SOS 5 for Arena : 2625.6 30.0 540 5.6%
53 Yace 0.99.87 : 2603.5 27.5 540 5.1%
54 Quark v2.35Paderborn : 2575.6 24.5 540 4.5%
55 PatzerUCI/FRC : 2519.8 19.0 540 3.5%
White advantage = 26.34
Draw rate (equal opponents) = 50.00 %
-
NathanDrake
- Posts: 27
- Joined: Mon Jun 01, 2026 4:57 pm
- Full name: Francesco Torsello
Re: Arasan 26.1
Thanks for testing!chessica wrote: ↑Fri Oct 16, 2026 7:49 pmCode: Select all
# PLAYER : RATING POINTS PLAYED (%) 1 Triumviratus - 8.0 : 3969.2 437.5 540 81.0% 2 Stockfish 18 : 3964.7 512.5 643 79.7% 3 Stockfish 19 : 3964.0 435.5 540 80.6% 4 Revolution-5.90-140626 : 3961.6 513.5 646 79.5% 5 Reckless 0.9.0 : 3958.4 509.5 643 79.2% 6 Cool Iris 16 : 3958.2 609.5 770 79.2% 7 Reckless 0.10.0-dev : 3956.2 432.5 540 80.1% 8 Rems M-091024 : 3939.5 499.5 642 77.8% 9 Coda 0.9.4 : 3935.9 424.5 540 78.6% 10 PlentyChess 8.0.0 : 3930.9 422.5 540 78.2% 11 Obsidian dev-16.08 : 3929.7 496.5 645 77.0% 12 PlentyChess 7.0.26 : 3925.3 589.5 770 76.6% 13 Tarnished v6.0 (Eternal) : 3912.6 486.5 643 75.7% 14 Berserk 14 : 3908.0 486.5 646 75.3% 15 Viridithas 20.0.0-dev : 3876.4 467.0 642 72.7% 16 RubiChess 20240817 (avx512) : 3866.6 514.5 715 72.0% 17 Igel 3.7.0 64 POPCNT AVX2 : 3858.9 392.5 540 72.7% 18 Arasan 26.1 : 3842.7 385.5 540 71.4% 19 Rebel 16.3a : 3831.7 529.5 771 68.7% 20 Chess System Tal 2.06 E1019 : 3823.7 440.0 645 68.2% 21 RubiChess 20240817 (avx2) : 3817.3 509.0 755 67.4% 22 Maverick NNUE 1.0a : 3749.8 475.5 772 61.6% 23 Alexander 7 : 3749.4 398.0 642 62.0% 24 Shredder Classic 6 : 3713.7 330.0 541 61.0% 25 Willow 4.0 : 3700.2 371.5 642 57.9% 26 Winter 4.0 JA BMI2 : 3670.4 424.5 774 54.8% 27 Cheng 4.48a (bundled) : 3641.6 341.5 645 52.9% 28 Komodo 14.1 64-bit : 3621.1 331.0 645 51.3% 29 Houdidit 6.03 Pro x64 : 3620.3 289.5 540 53.6% 30 EveAnn 7.0 : 3563.6 266.5 540 49.4% 31 EveAnn 5.0 64-bit (bundled) : 3504.8 274.5 643 42.7% 32 Colossus Chess 2026c : 3486.2 236.5 540 43.8% 33 Myrddin 0.96 : 3474.9 261.0 643 40.6% 34 IsaBB NN 4.5 (avx2, bundled) : 3437.4 244.5 642 38.1% 35 Fable 5.1 : 3429.2 215.5 540 39.9% 36 Sable 1.6 : 3377.3 219.5 643 34.1% 37 Equinox 3.30 x64mp : 3353.5 189.0 540 35.0% 38 Critter 1.6a 64-bit : 3342.3 205.5 642 32.0% 39 Houdini 1.5a x64 : 3314.0 176.0 544 32.4% 40 OpenCritter v1.1.37 : 3272.6 162.5 540 30.1% 41 ECE 26.8 Intuition HBuP : 3250.1 155.5 540 28.8% 42 monty 1.0.0 : 3226.7 163.0 645 25.3% 43 Crafty 25.2.1 : 3167.9 163.5 772 21.2% 44 Spike 1.4.1 : 3147.6 137.0 642 21.3% 45 Spike 1.4.2 : 3142.9 124.5 540 23.1% 46 Colossus Chess 2026b : 3124.2 119.5 540 22.1% 47 Rybka 1.0 Beta : 3041.3 99.0 540 18.3% 48 Colossus 2025b : 3039.1 106.0 642 16.5% 49 Colossus Chess 2026a : 3030.4 96.5 540 17.9% 50 Euphron NEO 0.47 : 2833.0 58.5 540 10.8% 51 Pharaon 3.5.1 : 2755.4 48.5 643 7.5% 52 SOS 5 for Arena : 2625.6 30.0 540 5.6% 53 Yace 0.99.87 : 2603.5 27.5 540 5.1% 54 Quark v2.35Paderborn : 2575.6 24.5 540 4.5% 55 PatzerUCI/FRC : 2519.8 19.0 540 3.5% White advantage = 26.34 Draw rate (equal opponents) = 50.00 %
Francesco 