CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 12 64-bit 4CPU (3515+19
−19
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ShashChess 15.0 64-bit 4CPU3530+23
−22
(+15)16 − 16
(+0−0=32)
50.0%
16.0 / 32
15.9%
+15
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   SugaR AI 1.00 64-bit 4CPU3519+26
−26
(+4)16 − 16
(+0−0=32)
50.0%
16.0 / 32
42.5%
+4
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   Dragon by Komodo 64-bit 4CPU3497+16
−16
(−18)41 − 36
(+5−0=72)
53.2%
41.0 / 77
93.3%
−1
= = = = = = = 1 = 1 = = = = = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = = = 1 = 1 = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   SugaR NN 1.1 64-bit 4CPU3470+15
−15
(−45)20 − 12
(+8−0=24)
62.5%
20.0 / 32
100.0%
+19
= = = = = = = = = = = = = = 1 = = = 1 = 1 = 1 1 = 1 1 = = 1 = =
–   ShashChess 8.0 64-bit 4CPU3442+15
−15
(−73)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
+11
= = = = 1 = 1 = 1 = = = = = = 1 1 1 1 = 1 = = = 1 = = = = 1 = =
–   Komodo 14 64-bit 4CPU3415+18
−18
(−100)19.5 − 12.5
(+8−1=23)
60.9%
19.5 / 32
100.0%
−39
0 = = = = = = = 1 = 1 = 1 = = = = = 1 = = = = = 1 = 1 = 1 1 = =
–   Komodo 13.3 64-bit 4CPU3413+21
−21
(−102)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+24
1 = = 1 1 = 1 = = 1 1 = = = 1 1 = = 1 1 = = 1 = = = 1 = = 1 = 1
–   Houdini 6 64-bit 4CPU3398+10
−10
(−117)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
−31
1 = 1 = = = = = = = = = 1 = 1 1 = = = = 1 = 1 = 1 = = = = 1 1 =
–   SlowChess Blitz 2.5 64-bit 4CPU3396+18
−18
(−119)21.5 − 10.5
(+11−0=21)
67.2%
21.5 / 32
100.0%
−24
= = = 1 = = = 1 = 1 1 = = = = = = 1 1 = = 1 = 1 = = = 1 = 1 1 =
–   Ethereal 12.75 64-bit 4CPU3392+15
−15
(−123)21.5 − 8.5
(+13−0=17)
71.7%
21.5 / 30
100.0%
+4
= 1 = = = 1 = = = 1 = 1 1 1 1 1 1 1 = 1 = = = = = 1 = = = 1
–   Nemorino 6.00 64-bit 4CPU3384+17
−17
(−131)22.5 − 9.5
(+13−0=19)
70.3%
22.5 / 32
100.0%
−14
= = = = 1 1 1 1 = 1 = = = 1 = 1 = 1 = = = 1 1 = = = = 1 1 = = 1
–   Ethereal 12.25 64-bit 4CPU3362+22
−22
(−153)22 − 10
(+13−1=18)
68.8%
22.0 / 32
100.0%
−45
1 = = = = 0 1 = 1 = = = 1 = = = = 1 1 1 1 = = = = 1 1 = 1 1 = 1
–   SlowChess Blitz 2.4 64-bit 4CPU3357+22
−21
(−158)23.5 − 6.5
(+17−0=13)
78.3%
23.5 / 30
100.0%
+20
1 = = 1 1 = = = 1 1 1 = = 1 1 1 1 1 1 = 1 1 = = 1 1 = 1 = =
–   SlowChess Blitz 2.3 64-bit 4CPU3341+20
−20
(−174)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+36
= 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 4CPU3330+13
−13
(−185)24 − 8
(+16−0=16)
75.0%
24.0 / 32
100.0%
−32
= = 1 1 1 1 = = 1 = = = 1 = 1 = 1 1 1 = 1 = 1 = = 1 1 1 = = 1 =
–   SlowChess Blitz Classic 2.2 64-bit 4CPU3327+20
−20
(−188)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−59
1 = = = 1 = 1 = 1 = 1 1 = = = = 1 1 = = 1 = 1 = = 1 = = 1 1 1 =
–   Fire 7.1 64-bit 4CPU3320+11
−11
(−195)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+16
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 4CPU3311+14
−14
(−204)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+23
1 1 1 1 1 = 1 1 1 1 1 = 1 = 1 = 1 1 = = = = 1 1 1 = 1 = = 1 1 1
–   Pedone 3.0 64-bit 4CPU3303+18
−18
(−212)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
+75
1 1 1 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 4CPU3297+15
−15
(−218)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−22
1 = 1 = = = 1 1 1 1 1 = 1 = 1 1 1 = 1 = 1 = 1 1 1 = = 1 1 = 1 =
–   RubiChess 1.8 64-bit 4CPU3292+19
−19
(−223)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+43
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 4CPU3286+13
−13
(−229)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−63
= 1 = = 1 = 1 = 1 = = = 1 = 1 1 = 1 1 = 1 1 1 1 1 = 1 = = = 1 1
–   Defenchess 2.2 64-bit 4CPU3279+14
−14
(−236)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+30
1 1 1 = 1 1 1 = 1 1 1 1 1 = 1 = = 1 1 1 1 1 1 = = 1 1 = 1 1 1 =
–   Deep Shredder 13 64-bit 4CPU3277+10
−10
(−238)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+25
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 4CPU3276+16
−16
(−239)29 − 3
(+26−0=6)
90.6%
29.0 / 32
100.0%
+101
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 =

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021