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THE SSDF RATING LIST 2022-12-31 161668 games played by 429 computers
Rating + - Games Won Oppo
------ --- --- ----- --- ----
1 Lc0 0.28.2 Cuda-611213 3060Ti 3575 27 -25 772 66% 3447
2 Stockfish 13 x64 1800X 3.6 GHz 3574 35 -32 480 69% 3436
3 Stockfish 15 x64 1800X 3.6 GHz 3574 42 -39 320 66% 3458
4 Lc0 0.26.3 Cuda(67362) 3060Ti 3571 29 -27 680 68% 3444
5 Dragon Komodo 3 x64 1800X 3.6 GHz 3571 43 -41 285 62% 3487
6 Dragon Komodo 2.51 x64 1800X 3.6 GHz 3566 42 -39 320 65% 3457
7 Stockfish 14 x64 1800X 3.6 GHz 3557 39 -37 360 66% 3445
8 Stockfish 12 NNUE x64 1800X 3.6 GHz 3554 28 -27 658 61% 3464
9 Dragon by Komodo x64 1800X 3.6 GHz 3542 34 -32 460 63% 3448
10 Stockfish 11 x64 1800X 3.6 GHz 3535 36 -34 450 70% 3391
11 Dragon Komodo 3.1 MCTS 1800X 3.6 GHz 3519 42 -39 306 63% 3430
12 Stockfish 10 x64 1800X 3.6 GHz 3510 25 -23 920 67% 3375
13 Dragon Komodo 2 MCTS x64 1800X 3.6 GHz 3478 45 -44 240 55% 3443
14 Stockfish 9 x64 1800X 3.6 GHz 3474 25 -24 922 68% 3329
15 Booot 7 x64 1800X 3.6 GHz 3471 50 -51 185 48% 3486
16 Komodo 13.1 x64 1800X 3.6 GHz 3463 29 -28 600 60% 3152
17 Komodo 14 x64 1800X 3.6 GHz 3461 30 -30 520 52% 3445
18 Komodo 13.02 x64 1800X 3.6 GHz 3455 30 -29 600 65% 3344
19 Arasan 23.01 x64 1800X 3.6 GHz 3452 33 -34 420 48% 3464
20 Stockfish 9 x64 Q6600 2.4 GHz 3437 32 -31 480 56% 3372
21 Pedone 3.1 x64 1800X 3.6 GHz 3433 38 -39 320 45% 3470
22 Booot 6.5 x64 1800X 3.6 GHz 3429 34 -34 400 48% 3440
23 Dragon Komodo MCTS x64 1800X 3.6 GHz 3401 38 -38 320 52% 3389
24 Wasp 5.5 x64 1800X 3.6 GHz 3391 41 -43 280 41% 3455
25 Wasp 5 x64 1800X 3.6 GHz 3379 41 -44 280 38% 3468
26 Marvin 6.0.0 x64 1800X 3.6 GHz 3365 47 -53 220 31% 3499
27 Arasan 22.3 x64 1800X 3.6 GHz 3363 39 -42 320 35% 3471
28 Pedone 3.1 x64 Q6600 2.4 GHZ 3356 41 -39 300 60% 3288
29 Deep Shredder 13 x64 1800X 3.6 GHz 3351 24 -23 920 62% 3265
30 Chiron 5.01 x64 1800X 3.6 GHz 3347 33 -35 440 34% 3458
31 Chiron 5.01 x64 Q6600 2.4 GHz 3328 43 -41 280 62% 3243
32 Marvin 5.2.0 x64 1800X 3.6 GHz 3328 37 -40 360 32% 3459
33 Wasp 4.5 x64 1800X 3.6 GHz 3303 43 -47 280 30% 3453
34 Vajolet2 2.8 x64 1800X 3.6 GHz 3287 27 -28 650 38% 3370
35 Deep Hiarcs 14 1800X 3.6 GHz 3210 23 -24 880 38% 3283
36 Deep Rybka 4 x64 Q6600 2.4 GHz 3193 18 -18 1528 62% 3106
37 Revelation 2 Hiarcs 14.1 PXA320 800 MHz 2924 47 -45 228 56% 2881
38 Chessmaster King 3.5 x64 Q6600 2.4 GHz 2857 24 -25 932 30% 3006
39 Revelation Hiarcs 13.3 PXA255 500 MHz 2772 57 -52 177 66% 2660
40 Revelation Shredder 12 PXA255 500 MHz 2706 60 -58 140 56% 2666
41 Revelation Rybka 2.2 PXA255 500 MHz 2635 45 -43 260 63% 2546
42 Revelation Deep Sjeng 3 PXA255 500 MHz 2600 62 -67 120 41% 2664
43 Millennium The King Exclusive 300 MHz 2534 51 -49 190 55% 2499
44 Revelation Ruffian 2.1 PXA255 500 MHz 2346 68 -71 100 45% 2385
45 Millennium ChessGenius Excl. M7 300 MHz 2245 50 -48 200 57% 2194
46 Mephisto London 68030 33 MHz 2195 31 -31 482 50% 2192
47 Millennium ChessGenius Pro M4 120 MHz 2162 59 -54 160 63% 2066
48 Mephisto London 68020 12 MHz 2089 60 -53 171 68% 1955
49 Millennium ChessGenius ARM M4 48 MHz 2069 45 -43 251 58% 2015
50 Mephisto Roma II 68000 10 MHz 1891 65 -63 119 54% 1862
3 Stockfish 15 x64 1800X 3.6 GHz, 3574
Lc028 3060Ti 20,5-19,5 Dra3 1800X 20,5-19,5 SF12NU 1800X 20-20
Boo7 1800X 25,5-14,5 Arasa23 1800X 25-15 Mar60 1800X 32-8
Chi5 1800X 33,5-6,5 Mar52 1800X 33,5-6,5
5 Dragon Komodo 3 x64 1800X 3.6 GHz, 3571
Lc028 3060Ti 19,5-20,5 Stoc13 1800X 19,5-20,5 Stoc15 1800X 19,5-20,5
Stoc10 1800X 24-16 Boo7 1800X 3,5-1,5 Ped31 1800X 27,5-12,5
Wasp55 1800X 29,5-10,5 DShre13 1800X 33,5-6,5
11 Dragon Komodo 3.1 MCTS 1800X 3.6 GHz, 3519
Lc028 3060Ti 17-23 SF12NU 1800X 12,5-13,5 Ko14 1800X 22-18
Ped31 1800X 36-24 Mar60 1800X 42-18 Chi5 1800X 62-18
15 Booot 7 x64 1800X 3.6 GHz, 3471
Lc028 3060Ti 31,5-48,5 Stoc15 1800X 14,5-25,5 Dra3 1800X 1,5-3,5
Wasp45 1800X 41-19
26 Marvin 6.0.0 x64 1800X 3.6 GHz, 3365
Lc028 3060Ti 6-34 Stoc15 1800X 8-32 Dra31M 1800X 18-42
Boo65 1800X 16,5-23,5 Wasp55 1800X 19,5-20,5
In this last rating list of the year 2022, we can present five new entries.
First one out is the latest version from team Stockfish, namely Stockfish 15.
This version landed just a hairline from the number one spot this time and
grabbed the third position, but only one single point behind the leader Lc0!
After 480 played games it has earned a rating of 3574, which is 17 points ahead
of Stockfish 14 and exactly on par with Stockfish 13 at the moment. As opening
book for Stockfish 14, we have used Fauzi Dabat's "Aggressive 5.4 by Fauzi.abk".
Next one out is Dragon Komodo 3 by Mark Lefler and Larry Kaufman. We have tested
both the "normal" version and the Monte Carlo Tree Search-version. The non-MCTS
version of Dragon Komodo 3 earned a fifth place in this rating list, with a
rating of 3571 after 285 games played. It has positioned itself five points
ahead of the 2.51 version and just four points behind the number one spot at
the moment!
In the testing of the Monte Carlo Tree Search (MCTS) Dragon Komodo, we have
used the 3.1 version. It has recieved a rating of 3519 after 306 games
played. It is 41 points stronger than the Dragon Komodo 2 MCTS and took the
eleventh spot on this rating list. As opening book for both the ordinary and
the MCTS-version, we have used Erdogan Günes opening book "out10-35.bin".
The sharp-sighted has probably noticed that the nomenclature "x64" is omitted
from the name this time. We can insure that the testing has been done with the
strongest settings, AVX2 and also 64-bit, and that the omission is made just
because of the length limitations in the naming of the engines.
I can also add that since most engines that we have tested on both the Q6600
and 1800X hardware has been 64-bit programs, we will soon make an overhaul to
upcoming rating lists and strip this rather unnecessary designation from the
names - only adding 32 bit to the names of the few engines that hasn't been
64-bit compatible.
Well, to get back on track. The next program that we can present in our latest
rating list, is Alex Morozov's - Booot 7. This time he has used his own
implementation of Neural Net technology (NN) in evaluation, using Python,
Delphi and SIMD. This has proved to been useful to the already strong Booot-
program and he has managed to get a rating of 3471 after the first 185 played
games. This is 42 points ahead of the "ordinary evaluation"-version of
Booot 6.5 and it now holds the first spot of the engines outside the
three in the top: Lc0, Stockfish and Dragon Komodo.
As opening book for Booot 7, we have used the "Perfect2021.abk" opening book
by Sedat Canbaz.
Last one out in this rating list is Martin Danielsson with his Marvin-program.
We have tested the 6.0.0-version this time, and it has recieved a rating
of 3365 after 220 played games. It is 37 points stronger than the last Marvin
version (5.2.0) which we have tested and we have used Marvin's own opening book
for the testing.
Since the last rating list, Wasp 4.5 1800X gained 14 points, Pedone 3.1 1800X
gained 10 and Arasan 23.01 1800X gained 9 points. Biggest loss since the last
list was Lc0 0.28.2 which dropped 16 points in the lead. Other notable losses
was Roma II which lost 13 points and Chiron 5.01 1800X, which lost 8 points.
The next rating list will probably be released relatively soon and will feature
the manually tested Revelation II A.E. Komodo 12.1, and hopefully also contain
some more engines on both the 1800X and Q6600 hardware level. We will also
begin testing of a more recent version of Lc0 soon, so hopefully it will have
enough games to be presented as an early bird in the next rating list.
Lars Sandin 
