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THE SSDF RATING LIST 2023-05-24* 162991 games played by 435 computers
Rating + - Games Won Oppo
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1 Lc0 0.29.0 Cuda-808544 3060Ti 3610 45 -41 287 68% 3466
2 Lc0 0.28.2 Cuda-611213 3060Ti 3571 26 -25 780 66% 3456
3 Lc0 0.26.3 Cuda(67362) 3060Ti 3570 29 -27 680 68% 3441
4 Stockfish 15 x64 1800X 3.6 GHz 3570 39 -36 367 66% 3456
5 Stockfish 13 x64 1800X 3.6 GHz 3568 35 -32 480 69% 3432
6 Dragon Komodo 3 x64 1800X 3.6 GHz 3567 40 -38 329 62% 3482
7 Dragon Komodo 2.51 x64 1800X 3.6 GHz 3565 42 -39 320 65% 3454
8 Stockfish 14 x64 1800X 3.6 GHz 3555 37 -35 400 65% 3452
9 Stockfish 12 NNUE x64 1800X 3.6 GHz 3549 26 -25 760 60% 3479
10 Rebel 16.2 x64 1800X 3.6 GHz 3544 48 -47 209 53% 3522
11 Dragon by Komodo x64 1800X 3.6 GHz 3536 34 -32 460 63% 3443
12 Stockfish 11 x64 1800X 3.6 GHz 3529 36 -34 450 70% 3386
13 Arasan 23.4 x64 1800X 3.6 GHz 3524 54 -55 160 47% 3560
14 Dragon Komodo 3.1 MCTS 1800X 3.6 GHz 3514 34 -33 440 60% 3447
15 Stockfish 10 x64 1800X 3.6 GHz 3501 25 -23 920 67% 3378
16 Booot 7 x64 1800X 3.6 GHz 3477 39 -40 300 46% 3507
17 Dragon Komodo 2 MCTS x64 1800X 3.6 GHz 3473 45 -44 240 55% 3439
18 Stockfish 9 x64 1800X 3.6 GHz 3464 24 -23 962 67% 3345
19 Komodo 14 x64 1800X 3.6 GHz 3455 30 -30 520 52% 3441
20 Arasan 23.01 x64 1800X 3.6 GHz 3449 33 -34 420 48% 3462
21 Arasan 23.4 x64 Q6600 2.4 GHz 3439 40 -37 361 68% 3314
22 Pedone 3.1 x64 1800X 3.6 GHz 3433 38 -39 320 45% 3468
23 Wasp 6.5 x64 1800X 3.6 GHz 3433 44 -45 242 44% 3478
24 Stockfish 9 x64 Q6600 2.4 GHz 3427 32 -31 480 56% 3384
25 Booot 6.5 x64 1800X 3.6 GHz 3426 34 -34 400 48% 3436
26 Wasp 5.5 x64 1800X 3.6 GHz 3378 37 -39 360 36% 3486
27 Arasan 22.3 x64 1800X 3.6 GHz 3360 39 -42 320 35% 3468
28 Marvin 6.0.0 x64 1800X 3.6 GHz 3358 47 -53 220 31% 3494
29 Pedone 3.1 x64 Q6600 2.4 GHZ 3356 38 -37 340 58% 3303
30 Deep Shredder 13 x64 1800X 3.6 GHz 3347 24 -23 920 62% 3261
31 Chiron 5.01 x64 1800X 3.6 GHz 3344 33 -35 440 34% 3455
32 Marvin 5.2.0 x64 1800X 3.6 GHz 3325 37 -40 360 32% 3456
33 Chiron 5.01 x64 Q6600 2.4 GHz 3318 34 -34 400 52% 3301
34 Vajolet2 2.8 x64 1800X 3.6 GHz 3279 27 -28 652 38% 3364
35 Deep Hiarcs 14 1800X 3.6 GHz 3206 23 -24 880 38% 3289
36 Revelation 2 A.E. Komodo 12.1 A7 1 GHz 3177 73 -68 100 59% 3113
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% 3005
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% 2665
43 Millennium The King Exclusive 300 MHz 2534 49 -48 200 55% 2501
44 Revelation Ruffian 2.1 PXA255 500 MHz 2346 68 -71 100 45% 2385
45 Millennium ChessGenius Excl. M7 300 MHz 2249 50 -48 204 58% 2193
46 Mephisto London 68030 33 MHz 2195 31 -31 482 50% 2192
47 Millennium ChessGenius Pro M4 120 MHz 2163 59 -54 160 63% 2067
48 Mephisto London 68020 12 MHz 2089 60 -53 171 68% 1957
49 Millennium ChessGenius ARM M4 48 MHz 2070 45 -43 251 58% 2015
50 Mephisto Roma II 68000 10 MHz 1898 63 -59 132 58% 1843
1 Lc0 0.29.0 Cuda-808544 3060Ti, 3610
Stoc15 1800X 4-3 Reb162 1800X 21,5-18,5 Aras234 1800X 46-34
Stock9 1800X 29-11 Wasp65 1800X 28,5-11,5 Wasp55 1800X 66-14
10 Rebel 16.2 x64 1800X 3.6 GHz, 3544
Lc029 3060Ti 18,5-21,5 Dra3 1800X 4,5-4,5 Stoc14 1800X 19-21
Aras234 1800X 20,5-19,5 Boo7 1800X 23,5-16,5 Wasp65 1800X 24-16
13 Arasan 23.4 x64 1800X 3.6 GHz, 3524
Lc029 3060Ti 34-46 Reb162 1800X 19,5-20,5 Boo7 1800X 21-19
21 Arasan 23.4 x64 Q6600 2.4 GHz, 3439
Komo12 Q6600 21,5-18,5 Stock8 Q6600 21,5-18,5 Ped31 Q6600 22,5-17,5
Chi5 Q6600 85,5-34,5 DShre13 Q6600 24-16 Vaj28 Q6600 1-0
Mar51 Q6600 33,5-6,5 DRybka3 Q6600 34,5-5,5
23 Wasp 6.5 x64 1800X 3.6 GHz, 3433
Lc029 3060Ti 11,5-28,5 Stoc15 1800X 11,5-28,5 Reb162 1800X 16-24
Ped3 1800X 44,5-35,5 Komo11 1800X 21,5-18,5 Vaj28 1800X 2-0
36 Revelation 2 A.E. Komodo 12.1 A7 1 GHz, 3177
DShre13 Q6600 6-14 DHiar14 Q6600 9,5-10,5 DJuni12 Q6600 11,5-8,5
Baro343 Q6600 15,5-4,5 Naum 4 A1200 16,5-3,5
Since the last rating list we can now present six new entrants in the list.
First one out is our new leader in the list: Lc0 0.29.0, and also the first
program that has broken the 3600-barrier in our rating list. More games will
be needed to lower the error bars, but after the first 297 games it has placed
itself 39 points over the last version tested with a huge rating of 3610!
It will be interesting to see how it will hold up as more games are played
against the top programs.
The Lc0-version which we have tested this time is: Lc0 0.29.0, with the
19 filter + 512 block network, named 808544 (date: 2023-01-12). As with the
earlier Lc0-versions, we have used the free opening book "perfect2021.abk"
by Sedat Canbaz for the testing of Lc0.
Our next newcomer in the list are one really strong comeback from the team of
Ed Schroeder and Chris Wittington. Chris Wittington is formely known for
programs such as: Chess Player 2150/2175, Complete Chess System
and Chess System Tal (I and II).
Ed Schroeder is of course known for many of the old dedicated chess computers
like for instance: Mephisto Polgar, MM IV/V, RISC (I and II), Rebell
and also for versions of his program in the ChessMachine ISA-plugin card for PC.
On the PC-scene he has made the Gideon and Rebel-program famous and lately also
made several interesting and strong versions of his ProDeo-program.
Since last year they have utilized Neural Net-technology in their joint
effort and has seemingly improved fast. We have waited some time to test it,
since we wanted it to share most of the functions - like for instance Pondering
and Multi-Processor functionality, which the others programs that we test on our
latest hardware uses. The version which we have tested is named: Rebel 16.2 and
we have used its own opening book, made by the famous Jeroen Noomen, for the
testing. After the first 209 games, this strong combo of the program: Rebel 16.2,
and the opening book of Jeroen Noomen, has managed to get an impressive rating
of 3544 on our 1800X hardware. It is placed 10th in the list at the moment,
just 5 points shy of the Stockfish 12-program.
A very strong comeback by Ed, Chris and Jeroen!
Our next addition to the list are Jon Dart's strong and reliable Arasan-program.
The version that we have tested on our 1800X and Q6600 hardware are Arasan 23.4.
On our 1800X hardware it has reached a rating of 3524 after the initial 160
games played. That is at the moment 75 points ahead of the formerly tested 23.01
version and a very nice improvement indeed! More games will of course be needed
to lower the error bars a bit.
On our Q6600 hardware, Arasan 23.4 has reached a rating of 3439 after 361 games
played. We never tested the 23.01 version on the Q6600 hardware, but Arasan 23.4
are a whopping 202 points ahead of the 21.2 version at least!
We have, as always, used Arasan's own opening book for the testing.
We are also glad to be able to present a new strong Wasp version by John Stanback,
namely Wasp 6.5, on our latest rating list. After the first 242 games played, it
has reached a rating of 3433! This is 55 points stronger than the 5.5 version
which we tested before, so a nice improvement there also! We have used Wasp's own
opening book for the testing.
And we can now finally show the first rating of the manually tested:
Phoenix Revelation II Anniversary Edition chess computer by Ruud Martin/DGT. This
Anniversary Edition of the Revelation II, features an updated hardware relative
to the ordinary Revelation II. The hardware for the Anniversary Edition is an
Colibri iMX7D with 2 ARM Cortex A7 processors running at 1GHz. The software which
we have used for the testing is the program Komodo 12.1 by Mark Lefler and
Larry Kaufman.
The rating that has been reached after the first 100 games is 3177! This is a
rating that is 253 points ahead of Hiarcs 14.1, which we tested formerly
on the ordinary Revelation II. It is clearly the strongest dedicated chess
computer which we have tested so far and it has been able to perform admirably
against the strong Q6600 opposition which it mostly has faced in our testing
so far.
Aside from producing more games with the already mentioned newcomers in the
rating list, we are at the moment testing Richard Pijl's - The Baron 3.45,
and also Alex Morozov's - Booot 7.1. We also hope to have some more programs
ready for the next rating list.
* This rating list was produced and based on the games/results that were finished
on the first of May, but the publication of this rating list was unfortunately a
bit delayed this time.
The testing has of course not stood still since then, and the games/results
that has been played since this date will of course feature in the next rating
list, which we plan to have out sometime in august/september.
Lars Sandin