CCRL 40/15
Downloads and Statistics
November 21, 2020
Testing summary:
Total: 1'192'510 games
played by 2'742 programs

White wins: 410'546 (34.4%)
Black wins: 302'898 (25.4%)
Draws: 479'066 (40.2%)
White score: 54.5%

Engine Details

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Stockfish 12 64-bit 4CPU#1  (3515+24
−24
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 115 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ShashChess 15.0 64-bit 4CPU3508+69
−65
(−7)2 − 2
(+0−0=4)
50.0%
2.0 / 4
57.4%
−7
= = = =
–   SugaR NN 1.1 64-bit 4CPU3476+16
−16
(−39)20 − 12
(+8−0=24)
62.5%
20.0 / 32
99.7%
+25
= 1 1 = 1 = 1 1 1 = = 1 = = = = 1 = = = = = = = = = = = = = = =
–   ShashChess 8.0 64-bit 4CPU3445+16
−16
(−70)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
+14
1 = 1 = = = 1 = = = = 1 = = = 1 1 1 1 = = = = = = = = = 1 = 1 =
–   Komodo 14 64-bit 4CPU3421+19
−19
(−94)19.5 − 12.5
(+8−1=23)
60.9%
19.5 / 32
100.0%
−33
1 = = = 1 = = = = = 1 = 1 = 1 = = = = = 1 = 1 1 = = 0 = = = = =
–   Komodo 13.3 64-bit 4CPU3416+21
−21
(−99)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+27
= = = = 1 1 = = 1 = 1 = 1 = = = 1 1 1 = = 1 = 1 = 1 1 = = 1 1 =
–   Houdini 6 64-bit 4CPU3401+11
−11
(−114)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
−28
1 = 1 1 = = = = 1 = 1 = = = = = = = 1 = = = = 1 1 = 1 = 1 = = =
–   Ethereal 12.75 64-bit 4CPU3388+31
−31
(−127)12 − 6
(+6−0=12)
66.7%
12.0 / 18
100.0%
−34
1 1 = 1 = = = = = 1 = = = 1 = = = 1
–   Ethereal 12.25 64-bit 4CPU3366+22
−22
(−149)22 − 10
(+13−1=18)
68.8%
22.0 / 32
100.0%
−41
= = = 1 1 1 1 = = 1 1 = 1 = = = 1 = = = 1 = 1 1 = 1 1 = = = = 0
–   SlowChess Blitz 2.3 64-bit 4CPU3347+22
−22
(−168)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+41
= = = 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 = 1 1 = 1 1 = = = = 1
–   Xiphos 0.6 64-bit 4CPU3340+16
−16
(−175)24 − 8
(+16−0=16)
75.0%
24.0 / 32
100.0%
−22
= 1 1 = 1 = 1 = 1 1 = = = = 1 = 1 = 1 1 = = 1 = 1 = = = 1 1 1 1
–   SlowChess Blitz Classic 2.2 64-bit 4CPU3331+20
−20
(−184)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−55
= 1 = = 1 = 1 = = = 1 1 1 1 = = = = 1 1 1 = 1 = 1 = 1 = = = 1 =
–   Fire 7.1 64-bit 4CPU3322+12
−12
(−193)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+18
1 = 1 = 1 1 1 1 1 1 = = 1 = 1 = 1 = = = 1 = 1 1 = 1 1 1 1 1 1 =
–   RofChade 2.3 64-bit 4CPU3319+19
−19
(−196)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+31
1 = = = = = 1 1 1 = = 1 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1
–   Booot 6.4 64-bit 4CPU3298+19
−19
(−217)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−21
1 1 1 = 1 = 1 = 1 = = 1 1 1 1 = 1 = 1 1 1 1 1 = 1 = 1 = 1 = = =
–   RubiChess 1.8 64-bit 4CPU3294+21
−22
(−221)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+44
= 1 1 = 1 1 1 = 1 1 1 1 1 = 1 = 1 1 1 = 1 = = 1 1 1 1 1 1 1 1 =
–   Laser 1.7 64-bit 4CPU3290+14
−14
(−225)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−59
1 = = 1 1 = 1 1 1 1 1 = = = 1 = 1 1 1 = 1 = = = 1 1 = 1 = = 1 =
–   Deep Shredder 13 64-bit 4CPU3279+10
−10
(−236)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+27
1 1 1 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1 = = 1 = = 1 1 1 1 1 1 1 1 =
–   Fritz 17 64-bit 4CPU3278+18
−18
(−237)29 − 3
(+26−0=6)
90.6%
29.0 / 32
100.0%
+103
1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1 1 1 1
–   Defenchess 2.2 64-bit 4CPU3278+16
−16
(−237)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+29
1 = = 1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 = 1 = 1 1 1 = 1 1 1 = 1 1

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Created in 2005-2013 by CCRL team
Last games added on November 21, 2020