CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Obsidian 9.0 64-bit 4CPU in CCRL 40/15, 2024-11-16
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Tested by CCRL team, 2005-2024, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/15 main list:
Obsidian 9.0 64-bit 4CPU has no rank with rating of 3582 Elo points (+16 -16),
based on 824 games: 49 wins, 37 losses and 738 draws
Score: 50.7%, Average opponent: −3.8, Draws: 89.6%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 20230613 64-bit 4CPU          3642  15.0-17.0  (+0 -2 =30)    0.0   +42
 - Stockfish 16 64-bit 4CPU                3639  13.0-19.0  (+0 -6 =26)    0.0     0
 - Torch v1 64-bit 4CPU                    3630  13.5-18.5  (+0 -5 =27)    0.0    +3
 - Dragon by Komodo 3.3 64-bit 4CPU        3627  14.0-18.0  (+1 -5 =26)    0.0    +6
 - Berserk 12 64-bit 4CPU                  3608  15.0-17.0  (+0 -2 =30)    0.2    +7
 - Ethereal 14.25 64-bit 4CPU              3600  15.5-16.5  (+0 -1 =31)    1.8    +9
 - Caissa 1.16 64-bit 4CPU                 3595  15.5-16.5  (+0 -1 =31)   10.5    +4
 - Caissa 1.15 64-bit 4CPU                 3592  16.0-16.0  (+1 -1 =30)   19.4   +10
 - RubiChess 20230918 64-bit 4CPU          3586  15.5-16.5  (+1 -2 =29)   34.8    -5
 - Caissa 1.14.1 64-bit 4CPU               3582  15.0-17.0  (+0 -2 =30)   49.9   -18
 - Chess System Tal 2.00 Elo 64-bit 4CPU   3582  16.5-15.5  (+1 -0 =31)   50.4    +8
 - Igel 3.5.0 64-bit 4CPU                  3577  16.0-16.0  (+0 -0 =32)   73.8    -5
 - rofChade 3.1 64-bit 4CPU                3573  17.0-15.0  (+3 -1 =28)   87.3    +8
 - Clover 6.1 64-bit 4CPU                  3572  14.0-18.0  (+2 -6 =24)   87.9   -48
 - Rebel EAS 64-bit 4CPU                   3569  16.0-16.0  (+0 -0 =32)   93.8   -13
 - Alexandria 5.1.0 64-bit 4CPU            3566  17.0-15.0  (+3 -1 =28)   94.9    +2
 - Uralochka 3.40a 64-bit 4CPU             3563  16.5-15.5  (+2 -1 =29)   98.5   -10
 - Alexandria 5.0 64-bit 4CPU              3560  17.5-14.5  (+3 -0 =29)   98.7    +5
 - Koivisto 9.0 64-bit 4CPU                3560  17.0-15.0  (+2 -0 =30)   99.6    -3
 - Revenge 3.0 64-bit 4CPU                 3558  16.5-15.5  (+1 -0 =31)   99.8   -15
 - Seer 2.7.0 64-bit 4CPU                  3558  17.5-14.5  (+3 -0 =29)   98.7    +3
 - Clover 6.0 64-bit 4CPU                  3548  17.0-15.0  (+2 -0 =30)  100.0   -15
 - SlowChess Blitz 2.9 64-bit 4CPU         3545  18.0-14.0  (+5 -1 =26)  100.0     0
 - Arasan 24.0 64-bit 4CPU                 3539  19.0-13.0  (+6 -0 =26)  100.0   +12
 - Stormphrax 4.0.0 64-bit 4CPU            3528  15.5-8.5   (+7 -0 =17)  100.0   +35
 - Minic 3.39 64-bit 4CPU                  3522  19.0-13.0  (+6 -0 =26)  100.0    -5


Created in 2005-2013 by CCRL team
Last games added on November 16, 2024