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THE SSDF RATING LIST 2019-02-28 148673 games played by 377 computers
Rating + - Games Won Oppo
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1 Stockfish 9 x64 1800X 3.6 GHz 3494 32 -30 642 74% 3308
2 Komodo 12.3 x64 1800X 3.6 GHz 3456 30 -28 640 68% 3321
3 Stockfish 9 x64 Q6600 2.4 GHz 3446 50 -48 200 57% 3396
4 Stockfish 8 x64 1800X 3.6 GHz 3432 26 -24 1059 77% 3217
5 Stockfish 8 x64 Q6600 2.4 GHz 3418 38 -35 440 72% 3251
6 Komodo 11.01 x64 1800X 3.6 GHz 3397 23 -22 1134 72% 3229
7 Deep Shredder 13 x64 1800X 3.6 GHz 3360 25 -24 830 66% 3246
8 Booot 6.3.1 x64 1800X 3.6 GHz 3352 29 -29 560 54% 3319
9 Komodo 9.1 x64 Q6600 2.4 GHz 3340 21 -20 1435 72% 3175
10 Komodo 11.01 x64 Q6600 2.4 GHz 3333 32 -31 482 55% 3300
11 Stockfish 6 x64 Q6600 2.4 GHz 3326 22 -21 1216 68% 3192
12 Deep Shredder 13 x64 Q6600 2.4 GHz 3296 24 -23 884 64% 3193
13 Booot 6.3.1 x64 Q6600 2.4 GHz 3280 41 -39 320 64% 3179
14 Komodo 7 x64 Q6600 2.4 GHz 3270 23 -23 974 65% 3160
15 Arasan 21.2 x64 1800X 3.6 GHz 3269 61 -68 127 35% 3375
16 Komodo 5.1 x64 Q6600 2.4 GHz 3245 22 -22 1038 64% 3145
17 Deep Hiarcs 14 1800X 3.6 GHz 3219 26 -27 680 41% 3280
18 Wasp 3 x64 1800X 3.6 GHz 3218 27 -28 642 43% 3266
19 Stockfish 3 x64 Q6600 2.4 GHz 3203 19 -18 1420 61% 3127
20 Deep Rybka 4 x64 Q6600 2.4 GHz 3201 21 -20 1288 67% 3080
21 Deep Rybka 3 x64 Q6600 2.4 GHz 3194 22 -21 1371 75% 3003
22 Deep Hiarcs 14 Q6600 2.4 GHz 3189 19 -18 1450 61% 3112
23 Chiron 3.01 x64 Q6600 2.4 GHz 3180 27 -27 656 45% 3217
24 Wasp 2.01 x64 1800X 3.6 GHz 3159 26 -28 726 34% 3276
25 Naum 4.2 x64 Q6600 2.4 GHz 3146 21 -21 1123 60% 3078
26 Deep Junior Yokohama x64 Q6600 2.4 GHz 3126 22 -22 1010 42% 3184
27 Naum 4 x64 Q6600 2.4 GHz 3121 19 -18 1436 61% 3040
28 Deep Junior 13.3 x64 Q6600 2.4 GHz 3116 19 -19 1290 50% 3119
29 Spike 1.4 Q6600 2.4 GHz 3108 15 -15 1951 52% 3092
30 Deep Shredder 12 x64 Q6600 2.4 GHz 3104 18 -18 1507 62% 3016
31 Hiarcs 14 Athlon 1.2 GHz 3100 29 -29 560 55% 3065
32 Deep Fritz 13 Q6600 2.4 GHz 3097 24 -24 826 55% 3064
33 The Baron 3.43 x64 1800X 3.6 GHz 3095 32 -35 538 27% 3265
34 Deep Rybka 3 Athlon 1.2 GHz 3071 36 -35 372 53% 3048
35 Wasp 2.01 x64 Q6600 2.4 GHz 3065 40 -46 404 20% 3302
36 Crafty 25 x64 Q6600 2.4 GHz 3028 25 -26 804 35% 3134
37 The Baron 3.43 x64 Q6600 2.4 GHz 3023 33 -33 440 51% 3019
38 Arasan 17.2 x64 Q6600 2.4 GHz 3000 26 -26 686 46% 3029
39 Revelation 2 Hiarcs 14.1 PXA320 800 MHz 2924 47 -46 220 55% 2889
40 Chessmaster King 3.5 x64 Q6600 2.4 GHz 2861 24 -25 932 30% 3009
41 Revelation Hiarcs 13.3 PXA255 500 MHz 2772 57 -52 177 66% 2661
42 Revelation Shredder 12 PXA255 500 MHz 2703 60 -58 140 56% 2663
43 Revelation Rybka 2.2 PXA255 500 MHz 2628 47 -44 240 62% 2545
44 Revelation Deep Sjeng 3 PXA255 500 MHz 2599 68 -76 100 37% 2692
45 ChessGenius 3 ZTE Apex3 ARM A53 1.3 GHz 2457 75 -68 100 62% 2376
46 Revelation Ruffian 2.1 PXA255 500 MHz 2353 68 -71 100 45% 2390
47 TASC R30 v. 2.5 ARM6 30 MHz 2273 42 -38 343 69% 2136
48 Millenium ChessGenius Pro M4 120 MHz 2176 67 -59 140 68% 2048
49 Millenium ChessGenius ARM M4 48 MHz 2078 51 -47 210 62% 1990
50 Mephisto London 68000 12 MHz 2035 69 -70 100 49% 2043
2 Komodo 12.3 x64 1800X 3.6 GHz, 3456
Stock9 1800X 18,5-21,5 Stock9 Q6600 20-20 Stock8 1800X 22,5-17,5
Stock8 Q6600 20-20 Komo11 1800X 22-18 DShre13 1800X 28-12
Booot6 1800X 24-16 Komo9.1 Q6600 27-13 Komo11 Q6600 56,5-23,5
Booot6 Q6600 31-9 Arasa21 1800X 30,5-9,5 DHiar14 1800X 34,5-5,5
Wasp3 1800X 30,5-9,5 Wasp201 1800X 35-5 Baro343 1800X 36,5-3,5
3 Stockfish 9 x64 Q6600 2.4 GHz, 3446
Stock9 1800X 16,5-23,5 Komo12 1800X 20-20 Komo11 1800X 21,5-18,5
Booot6 1800X 26,5-13,5 Booot6 Q6600 29,5-10,5
13 Booot 6.3.1 x64 Q6600 2.4 GHz, 3280
Komo12 1800X 9-31 Stock9 Q6600 10,5-29,5 Stockf6 Q6600 20,5-19,5
DjunYok Q6600 27,5-12,5 Hiarc14 A1200 33-7 DRybka3 A1200 34,5-5,5
Shred12 A1200 35-5 Rybk231 A1200 35,5-4,5
15 Arasan 21.2 x64 1800X 3.6 GHz, 3269
Komo12 1800X 9,5-30,5 Stock8 1800X 7,5-31,5 DShre13 1800X 11,5-18,5
Baro343 1800X 15,5-2,5
18 Wasp 3 x64 1800X 3.6 GHz, 3218
Stock9 1800X 6,5-33,5 Komo12 1800X 9,5-30,5 Stock8 1800X 5,5-34,5
Stock8 Q6600 7,5-32,5 Komo11 1800X 6,5-33,5 DShre13 1800X 14,5-25,5
Booot6 1800X 11-29 Komo7.0 Q6600 13,5-26,5 DHiar14 1800X 19,5-20,5
Stockf3 Q6600 17,5-22,5 Chiro3 Q6600 23-17 Wasp201 1800X 25-15
Spike14 Q6600 27-13 Baro343 1800X 29,5-10,5 Zap!Mx2 Q6600 30,5-9,5
Wasp201 Q6600 29-13
50 Mephisto London 68000 12 MHz, 2035
MCG Pro 6,5-13,5 MCG 10-10 Star Sapphire 6,5-13,5
Milano Pro 12,5-7,5 Nigel Short 13-7
On our latest February rating list we can present six new Chess Computer
programs. First out is the winner of all three classes at the ICGA World
Championship that was played in Stockholm/Sweden last summer - namely Komodo.
Komodo is written by Mark Lefler, Larry Kaufman and the late Don Dailey.
The version we have tested is named Komodo 12.3 and it has achieved a very
strong rating of 3456 after 640 games played on our 1800X hardware level. This
is 59 points stronger than the 11.01 version we tested last time. We have used
Komodo's opening book by Erdogan Guenes for the testing.
The next new version we have on this list is Stockfish 9, which now have
sufficient amount of games on our Q6600-hardware level. After the
first 200 games it has reached the rating of 3446. This is 28 points stronger
than Stockfish 8 on the same platform, and is 48 points lower than the same
version on our 1800X hardware. We have of course used the same opening book
as we previously used on our 1800X hardware, when we tested Stockfish 9; that
is the free "Aggressive 3.5 by Fauzi.abk" opening book by Fauzi Dabat.
We have also got enough games with Booot 6.3.1 on our Q6600 hardware to be
able to introduce it on the list. The rating is 3280 after the first 320 games.
This is 72 points lower than the 1800X version which we introduced on the
last rating list.
Just in time for this rating list, we could also present an early rating of
the latest Arasan program by Jon Dart. We have tested it on our 1800X hardware,
with it's own included opening book and it has reached a rating of 3269 after
the first 127 games. More games will be needed to get a more reliable rating,
but the rating of 3269 is still 269 points stronger than the last Arasan
version we have tested! Even though some of the difference are due to
the fact that we tested the 17.2 version on our Q6600-hardware, the
performance gain from improvements made in the software is impressive.
Next out is the Wasp 3.0 program by John Stanback. We have played 642 games
with Wasp 3.0 on our 1800X hardware, and it has reached the rating of 3218.
This is 59 points stronger than the 2.01 version which we introduced in our
rating list in January 2018. We have used the free opening book by Sedat
Canbaz, called "Perfect2017.abk" for the testing of Wasp 3.0.
Last out in this rating list is the manually tested "oldie" - the dedicated
Mephisto London 68000 chess computer. This is a computer which we never got
to test back in the days, but now are able to finally introduce in the
rating list, 23 years after it was introduced back in 1996!
The Mephisto London is the program of Richard Lang and uses the module
hardware for the old Modular/Exclusive/München boards. It features an
Motorola 68000 processor at 12 MHz and uses 512 kB RAM for hash-tables.
The rating after the first 100 games is 2035 and this is 18 points stronger
than the Berlin 68000, which previously was the strongest Lang program on
the 68000 hardware in our rating list.
Compared to the last rating list, Deep Hiarcs 14 1800X gained 8 points and
Novag Star Sapphire gained 6 points. Meanwhile The Baron 3.43 1800X lost
20 points, Millenium ChessGenius lost 9 points and Stockfish 9 1800X lost
8 points.
For our next list we will focus on getting more games with Komodo 12.3 on
our Q6600 hardware and also Arasan 21.2 on both the 1800X and Q6600 level.
We will also begin testing of Stockfish 10, Wasp 3.5 and hopefully also
the Monte Carlo Tree Search (MCTS) version of Komodo.
We are also manually testing both the Millenium ChessGenius Exclusive and
the latest Millenium The King Exclusive now.
Our next rating list will probably be out before summer.
Lars Sandin
