CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 12 64-bit 4CPU (3519+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 122 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ShashChess 15.0 64-bit 4CPU3534+24
−24
(+15)16 − 16
(+0−0=32)
50.0%
16.0 / 32
14.9%
+15
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   SugaR AI 1.00 64-bit 4CPU3519+29
−28
(0)16 − 16
(+0−0=32)
50.0%
16.0 / 32
49.2%
0
= = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   Dragon by Komodo 64-bit 4CPU3502+19
−19
(−17)41 − 36
(+5−0=72)
53.2%
41.0 / 77
90.2%
0
= = = = = = = 1 = 1 = = = = = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = = = 1 = 1 = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
–   SugaR NN 1.1 64-bit 4CPU3472+16
−15
(−47)20 − 12
(+8−0=24)
62.5%
20.0 / 32
100.0%
+17
= = 1 = 1 = 1 1 = = = = 1 = = = = = = = = = = = = = = 1 1 = = 1
–   ShashChess 8.0 64-bit 4CPU3444+16
−15
(−75)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
+9
= = 1 = 1 = = = 1 = = = = 1 1 1 = = = = 1 = 1 = 1 = = = = = = 1
–   Komodo 14 64-bit 4CPU3417+18
−18
(−102)19.5 − 12.5
(+8−1=23)
60.9%
19.5 / 32
100.0%
−41
1 1 = = = = 1 = = = = = 1 = 1 = = = 0 = = = = = = = 1 = 1 = 1 =
–   Komodo 13.3 64-bit 4CPU3414+21
−21
(−105)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+21
= 1 = 1 = = 1 1 = = 1 = 1 = = = 1 1 1 = = 1 1 = 1 = = 1 = = 1 =
–   SlowChess Blitz 2.5 64-bit 4CPU3399+24
−24
(−120)18 − 8
(+10−0=16)
69.2%
18.0 / 26
100.0%
−10
= 1 = 1 = 1 1 = 1 = = 1 = 1 = = = = = 1 = = = 1 = 1
–   Houdini 6 64-bit 4CPU3399+10
−10
(−120)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
−34
= 1 1 = 1 1 = = = = 1 = = = = = 1 = 1 = 1 = = = = = 1 = 1 = = =
–   Ethereal 12.75 64-bit 4CPU3396+18
−18
(−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+19
−19
(−135)22.5 − 9.5
(+13−0=19)
70.3%
22.5 / 32
100.0%
−18
= 1 1 = = 1 = 1 1 = = = = = = = 1 1 1 1 = 1 = = = 1 = 1 = 1 = =
–   Ethereal 12.25 64-bit 4CPU3364+22
−22
(−155)22 − 10
(+13−1=18)
68.8%
22.0 / 32
100.0%
−47
1 1 = 1 = 1 1 1 1 = 1 = = = 1 = = = 1 = = = = 0 1 = = = = 1 1 =
–   SlowChess Blitz 2.4 64-bit 4CPU3359+21
−22
(−160)23.5 − 6.5
(+17−0=13)
78.3%
23.5 / 30
100.0%
+18
1 1 = = 1 1 = 1 = = = 1 1 1 1 1 1 = = = 1 1 1 = 1 = = 1 1 =
–   SlowChess Blitz 2.3 64-bit 4CPU3344+20
−20
(−175)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+35
= 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 4CPU3334+14
−14
(−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 4CPU3329+20
−20
(−190)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−61
1 = = = 1 = 1 = 1 1 = = = = 1 1 1 = = = 1 = 1 = 1 = = 1 = = 1 1
–   Fire 7.1 64-bit 4CPU3322+11
−11
(−197)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+14
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 4CPU3312+16
−16
(−207)26.5 − 5.5
(+21−0=11)
82.8%
26.5 / 32
100.0%
+20
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 4CPU3311+22
−23
(−208)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
+78
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 4CPU3300+16
−16
(−219)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−23
1 = 1 = 1 = 1 = 1 = 1 1 1 = 1 = 1 1 1 = 1 = = = 1 1 1 1 1 = = 1
–   RubiChess 1.8 64-bit 4CPU3293+20
−20
(−226)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+40
= 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 4CPU3288+13
−13
(−231)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−65
= = 1 1 = 1 1 = 1 1 1 1 = = 1 = 1 1 = 1 = = 1 = 1 = 1 = 1 = 1 =
–   Defenchess 2.2 64-bit 4CPU3278+15
−15
(−241)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 =
–   Deep Shredder 13 64-bit 4CPU3278+10
−10
(−241)27.5 − 4.5
(+23−0=9)
85.9%
27.5 / 32
100.0%
+22
= 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 4CPU3277+17
−17
(−242)29 − 3
(+26−0=6)
90.6%
29.0 / 32
100.0%
+98
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 February 27, 2021