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THE SSDF RATING LIST 2020-12-31 155019 games played by 397 computers
Rating + - Games Won Oppo
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1 Stockfish 12 NNUE x64 1800X 3.6 GHz 3573 47 -43 257 65% 3466
2 Dragon by Komodo x64 1800X 3.6 GHz 3564 50 -45 250 70% 3413
3 Stockfish 11 x64 1800X 3.6 GHz 3547 38 -35 423 71% 3391
4 Stockfish 10 x64 1800X 3.6 GHz 3521 25 -24 880 68% 3385
5 Stockfish 9 x64 1800X 3.6 GHz 3482 27 -25 842 71% 3324
6 Komodo 13.1 x64 1800X 3.6 GHz 3469 30 -29 560 62% 3386
7 Komodo 14 x64 1800X 3.6 GHz 3466 38 -38 320 52% 3452
8 Komodo 13.02 x64 1800X 3.6 GHz 3462 30 -29 600 65% 3351
9 Komodo 12.3 x64 1800X 3.6 GHz 3452 27 -26 760 66% 3334
10 Stockfish 9 x64 Q6600 2.4 GHz 3445 32 -31 480 56% 3400
11 Komodo 12.3 x64 Q6600 2.4 GHz 3434 38 -36 360 60% 3360
12 Stockfish 8 x64 1800X 3.6 GHz 3426 21 -20 1400 72% 3263
13 Komodo 13.2.5 MCTS x64 1800X 3.6 GHz 3421 50 -48 200 56% 3376
14 Stockfish 8 x64 Q6600 2.4 GHz 3410 31 -30 560 65% 3300
15 Komodo 13.02 MCTS x64 1800X 3.6 GHz 3398 31 -30 520 57% 3346
16 Komodo 11.01 x64 1800X 3.6 GHz 3394 19 -19 1474 67% 3270
17 Booot 6.4 x64 1800X 3.6 GHz 3370 41 -41 280 53% 3344
18 Booot 6.3.1 x64 1800X 3.6 GHz 3357 19 -19 1260 47% 3374
19 Deep Shredder 13 x64 1800X 3.6 GHz 3356 24 -24 880 64% 3255
20 Komodo 11.01 x64 Q6600 2.4 GHz 3340 27 -27 642 50% 3338
21 Stockfish 6 x64 Q6600 2.4 GHz 3325 21 -20 1256 69% 3190
22 Vajolet2 2.8 x64 1800X 3.6 GHz 3297 27 -28 650 38% 3379
23 Arasan 21.2 x64 1800X 3.6 GHz 3282 26 -27 680 38% 3364
24 Vajolet2 2.8 x64 Q6600 2.4 GHz 3281 46 -41 320 73% 3103
25 Wasp 4 x64 1800X 3.6 GHz 3257 45 -49 240 35% 3369
26 Arasan 21.2 x64 Q6600 2.4 GHz 3250 37 -38 340 45% 3281
27 Wasp 3.5 x64 1800X 3.6 GHz 3220 29 -31 600 32% 3348
28 Deep Hiarcs 14 1800X 3.6 GHz 3220 24 -25 800 39% 3293
29 Wasp 4 x64 Q6600 2.4 GHz 3209 38 -37 340 59% 3147
30 Deep Rybka 4 x64 Q6600 2.4 GHz 3199 19 -18 1448 64% 3101
31 Deep Hiarcs 14 Q6600 2.4 GHz 3188 19 -18 1450 61% 3112
32 Chiron 3.01 x64 Q6600 2.4 GHz 3177 27 -27 656 45% 3214
33 Wasp 3.5 x64 Q6600 2.4 GHz 3169 36 -37 360 43% 3215
34 Deep Junior Yokohama x64 Q6600 2.4 GHz 3125 22 -22 1010 42% 3183
35 Hiarcs 14 Athlon 1.2 GHz 3100 29 -29 560 55% 3064
36 Deep Fritz 13 Q6600 2.4 GHz 3097 24 -24 826 55% 3064
37 The Baron 3.43 x64 Q6600 2.4 GHz 3022 33 -33 440 51% 3018
38 Revelation 2 Hiarcs 14.1 PXA320 800 MHz 2925 47 -45 228 56% 2882
39 Chessmaster King 3.5 x64 Q6600 2.4 GHz 2860 24 -25 932 30% 3008
40 Revelation Hiarcs 13.3 PXA255 500 MHz 2771 57 -52 177 66% 2660
41 Revelation Shredder 12 PXA255 500 MHz 2705 60 -58 140 56% 2665
42 Revelation Rybka 2.2 PXA255 500 MHz 2635 45 -43 260 63% 2545
43 Revelation Deep Sjeng 3 PXA255 500 MHz 2601 62 -67 120 41% 2663
44 Millennium The King Exclusive 300 MHz 2527 58 -57 144 51% 2519
45 ChessGenius 3 ZTE Apex3 ARM A53 1.3 GHz 2445 65 -62 120 56% 2399
46 Revelation Ruffian 2.1 PXA255 500 MHz 2348 68 -71 100 45% 2385
47 Millennium ChessGenius Excl. M7 300 MHz 2244 62 -57 144 62% 2157
48 Millennium ChessGenius Pro M4 120 MHz 2163 59 -54 160 63% 2067
49 Millennium ChessGenius ARM M4 48 MHz 2073 47 -45 231 59% 2008
50 Mephisto London 68000 12 MHz 2005 59 -58 140 53% 1982
1 Stockfish 12 NNUE x64 1800X 3.6 GHz, 3573
Dragon 1800X 8-9 Stoc11 1800X 21-19 Stoc10 1800X 23,5-16,5
Ko131 1800X 25-15 Ko14 1800X 27,5-12,5 Komo11 1800X 31,5-8,5
Booot6 1800X 29,5-10,5
2 Dragon by Komodo x64 1800X 3.6 GHz, 3564
SF12NU 1800X 9-8 Stoc11 1800X 6,5-6,5 Stoc10 1800X 22,5-17,5
Ko14 1800X 26,5-13,5 Booot6 1800X 78,5-21,5 Arasa21 1800X 33-7
7 Komodo 14 x64 1800X 3.6 GHz, 3466
SF12NU 1800X 12,5-27,5 Dragon 1800X 13,5-26,5 Stoc11 1800X 17-23
Stoc10 1800X 17-23 Stock8 1800X 20,5-19,5 Boo64 1800X 26-14
Booot6 1800X 24,5-15,5 Wasp4 1800X 34-6
17 Booot 6.4 x64 1800X 3.6 GHz, 3370
Ko14 1800X 14-26 Stock8 1800X 16-24 Komo11 1800X 17,5-22,5
Booot6 1800X 43-37 Wasp4 1800X 28,5-11,5 Wasp201 1800X 30-10
25 Wasp 4 x64 1800X 3.6 GHz, 3257
Stoc10 1800X 6,5-33,5 Ko14 1800X 6-34 Boo64 1800X 11,5-28,5
Booot6 1800X 15-25 Arasa21 1800X 18,5-21,5 DHiar14 1800X 25,5-14,5
29 Wasp 4 x64 Q6600 2.4 GHz, 3209
Arasa21 Q6600 43,5-56,5 DRybka4 Q6600 19-21 Was35 Q6600 23,5-16,5
Spike14 Q6600 24-16 DFrit12 Q6600 29-11 DJuni12 Q6600 26,5-13,5
Arasa16 Q6600 34,5-5,5
This is the last list of the pandemic year 2020 and features some new and
interesting entrants.
First out is team Stockfish with their latest edition of the Stockfish engine,
namely Stockfish 12. This version uses a neural network architecture (NNUE),
which now can be run on ordinary processors instead of Graphic cards. It has
been tested with the latest free opening-book of Fauzi Akram Dabat, named:
"Aggressive 4.7 by fauzi.abk". After the first 257 games, this strong combo,
has achieved an impressive rating of 3573, an improvement of 26 points over
the previous version, and it keeps the leader spot in our list!
Next one out is the Komodo version from Mark Lefler and Larry Kaufman, named
Komodo 14. This version was tested with the opening book of Erdogan Günes:
"out5-35.bin", a book which we also have used previously when testing earlier
Komodo-versions. Komodo 14 has achieved a rating of 3466 after 320 games.
It doesn't show a clear improvement over the earlier 13-versions we have
tested and positions itself between the 13.1 and 13.02 versions at the moment.
More testing will be needed to see if this will hold, or if it will gain some
rating when more games are played.
We can also present another version of Komodo in this rating list, namely
the latest Komodo-version, called: Dragon by Komodo. This is the first Komodo
version which uses the NNUE-technique, and the gain in strength from the
previous version is huge. After the first 250 games, its rating is 3564!
This is 95 points over the 13.1 version and it now trails Stockfish with a
margin of only 9 points. Dragon by Komodo has been tested with Erdogan
Günes opening book: "out10-35.bin".
For this rating list we can also present the latest release of the Booot
engine by Alex Morozov, named Booot 6.4. We have been testing this engine
with Sedat Canbaz opening book: "perfect2019.abk". After the first 280
games, the increase over the 6.3.1 version is 13 points, and the rating
is now 3370.
We have also tested the engine: Wasp 4 by John Stanback for this rating
list. We have tested it on both our hardware levels. We have used its own
opening book for the testing. On our 1800X-platform it has achieved a
rating of 3257 after the first 240 games. This is an improvement of 37 points
from the earlier 3.5-version. On our Q6600-platform it has gained a rating
of 3209, and this is 40 points stronger than the Wasp 3.5-version which we
tested on the same Q6600-hardware.
Since last time, Revelation Deep Sjeng 3.0 gained 7 points. Notable losses
was Millennium The King, which lost 16 points and Stockfish 11 which lost
11 points.
We are at the moment testing the MCTS-version of Komodo, Fabio Gobbato's
engine: Pedone, and we will hopefully also be able to present a rating
of the old dedicated chess computer London 68020 on our next rating list.
Lars Sandin