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 12.0 64-bit 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 12.0 64-bit has no rank with rating of 3577 Elo points (+12 -12),
based on 1565 games: 145 wins, 47 losses and 1373 draws
Score: 53.1%, Average opponent: −18.9, Draws: 87.7%


Pairwise results:
     Opponent                              Elo     Score                  LOS   Perf
 - Stockfish 16.1 64-bit                   3622  36.0-47.0  (+0 -11=72)    0.0    +5
 - Torch v2 64-bit                         3608  32.5-41.5  (+2 -11=61)    0.0    -5
 - Dragon by Komodo 3.3 64-bit             3606  33.5-40.5  (+0 -7 =67)    0.0    +1
 - Berserk 13 64-bit                       3589  36.5-46.5  (+1 -11=71)    2.9   -23
 - PlentyChess 2.0.0 64-bit                3574  28.0-28.0  (+0 -0 =56)   61.4    -3
 - Alexandria 7.0.0 64-bit                 3573  31.5-27.5  (+4 -0 =55)   70.6   +15
 - Caissa 1.19 64-bit                      3569   0.5-0.5   (+0 -0 =1 )   81.8   -42
 - Caissa 1.18 64-bit                      3567  42.0-40.0  (+3 -1 =78)   92.3    -2
 - Ethereal 14.25 64-bit                   3567  27.5-26.5  (+2 -1 =51)   93.2    -4
 - RubiChess 20240112 64-bit               3566  41.5-41.5  (+2 -2 =79)   95.2   -11
 - PlentyChess 1.0.0 64-bit                3558  42.5-36.5  (+6 -0 =73)   99.5    +2
 - Alexandria 6.1.0 64-bit                 3557  31.0-25.0  (+7 -1 =48)   99.8   +11
 - Clover 6.2 64-bit                       3553  29.5-24.5  (+5 -0 =49)   99.9    +2
 - Titan 1.1.0 64-bit                      3551  31.0-29.0  (+2 -0 =58)  100.0   -16
 - Uralochka 3.41a 64-bit                  3550  52.5-48.5  (+4 -0 =97)  100.0   -15
 - Lizard 10.4 64-bit                      3548  19.5-15.5  (+4 -0 =31)   99.9    +4
 - Seer 2.8.0 64-bit                       3547  34.5-25.5  (+9 -0 =51)  100.0   +14
 - Chess System Tal 2.00 EAS 64-bit        3545  28.0-22.0  (+6 -0 =44)  100.0    +3
 - Rebel 16.3 64-bit                       3544  32.5-25.5  (+8 -1 =49)  100.0    +2
 - Clover 6.1 64-bit                       3543  31.0-27.0  (+4 -0 =54)  100.0   -13
 - Chess System Tal 2.00 Elo 64-bit        3542   5.5-4.5   (+1 -0 =9 )  100.0    -5
 - Viridithas 13.0.0 64-bit                3532   1.0-0.0   (+1 -0 =0 )  100.0  +INF
 - rofChade 3.1 64-bit                     3531   2.0-2.0   (+0 -0 =4 )  100.0   -46
 - Koivisto 9.0 64-bit                     3527  33.0-17.0  (+17-1 =32)  100.0   +52
 - Igel 3.5.0 64-bit                       3524   4.5-3.5   (+1 -0 =7 )  100.0   -19
 - Starzix 5.0 64-bit                      3521  14.0-10.0  (+4 -0 =20)  100.0    -6
 - Revenge 3.0 64-bit                      3518  32.0-18.0  (+14-0 =36)  100.0   +28
 - Velvet 7.3.0 64-bit                     3516  29.5-20.5  (+9 -0 =41)  100.0    -8
 - Viridithas 12.0.0 64-bit                3514  33.0-21.0  (+12-0 =42)  100.0    +3
 - Arasan 24.1 64-bit                      3505   2.5-1.5   (+1 -0 =3 )  100.0    +5
 - akimbo 1.0.0 64-bit                     3478  33.0-17.0  (+16-0 =34)  100.0     0


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