CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Stockfish 1.8 64-bit (3058+19
−19
)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 62 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 1.5a 64-bit3170+12
−11
(+112)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−60
= 0 = 1 0 0 1 = 0 0 0 = 0 0 0 0 0 0 0 = 0 0 = 0 0 1 0 1 = 0 0 1
–   Houdini 1.03a 64-bit3116+20
−19
(+58)16.5 − 33.5
(+2−19=29)
33.0%
16.5 / 50
0.0%
−40
0 = = 1 = 0 = = = = = = 0 = 0 0 = = 0 = = 0 0 0 0 = = = 0 0 0 = = = 0 = 0 = = = 0 = 0 0 = = 0 = 1 =
–   Critter 0.90 64-bit3049+16
−16
(−9)17.5 − 14.5
(+8−5=19)
54.7%
17.5 / 32
75.1%
+17
= 0 1 1 1 0 = = 0 = = = = 1 1 = 0 1 1 1 = = = = = = 0 = = = = =
–   Komodo 1.3 64-bit2993+12
−12
(−65)19 − 13
(+11−5=16)
59.4%
19.0 / 32
100.0%
−9
0 = 0 1 = 1 1 = = = = 1 = 1 0 = 1 1 0 = = = = 0 = = = 1 1 1 1 =
–   Critter 0.80 64-bit2990+21
−20
(−68)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
100.0%
0
= 1 = = 0 0 1 1 1 = 1 = 1 1 = = 1 0 1 = = = = = 1 = 0 1 0 1 1 0
–   Rybka 2.3.2a 64-bit2977+8
−8
(−81)20.5 − 13.5
(+13−6=15)
60.3%
20.5 / 34
100.0%
−17
= 1 = 0 1 = 0 1 0 1 = = = = = 0 1 1 = 1 = = 1 = 1 = 1 0 = 1 1 = 0 1
–   Critter 0.70 64-bit2973+18
−18
(−85)22.5 − 11.5
(+15−4=15)
66.2%
22.5 / 34
100.0%
+15
0 1 1 1 = = 0 0 = 1 = = 1 1 = = 1 = = = = = = 1 1 1 1 1 0 = 1 1 = 1
–   Komodo 1.2 64-bit2966+12
−12
(−92)22 − 12
(+16−6=12)
64.7%
22.0 / 34
100.0%
+4
0 1 1 1 = = 1 1 1 1 1 0 = 0 = = = 1 1 = 0 = 1 0 1 = 1 1 = = = 0 1 1
–   Gull 1.0a 64-bit2938+12
−12
(−120)18.5 − 13.5
(+11−6=15)
57.8%
18.5 / 32
100.0%
−74
1 1 1 = = = = = = 1 = 0 = 0 = = 1 0 = 1 = = 0 0 1 1 1 0 1 = = 1
–   Spark 1.0 64-bit2927+7
−7
(−131)25 − 7
(+22−4=6)
78.1%
25.0 / 32
100.0%
+88
1 1 = 1 1 0 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 = 1 0 1 0 1 = 0
–   Rybka 2.3.2a 32-bit2922+16
−16
(−136)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
+30
1 0 = 1 = 1 = = 1 1 1 1
–   Spike 1.4 Leiden2921+7
−7
(−137)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
+71
1 1 1 = 0 1 1 = 1 1 1 1 1 = 1 1 = 1 1 = 1 1 = 1 0 = 0 1 1 1
–   Protector 1.4.0 64-bit2889+14
−14
(−169)20 − 10
(+15−5=10)
66.7%
20.0 / 30
100.0%
−56
0 1 0 = = = 1 1 1 1 = 1 = = 1 1 0 0 1 1 = = = 1 1 1 1 0 = 1
–   Thinker 5.4d Inert 64-bit2886+8
−8
(−172)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−26
= = 1 = = 1 1 1 1 1 1 = 1 1 = 1 0 = 1 = 0 0 1 1 1 = 1 1 1 1 0 0
–   Thinker 5.4c Inert 64-bit2883+9
−9
(−175)24.5 − 9.5
(+19−4=11)
72.1%
24.5 / 34
100.0%
−24
1 1 1 1 1 1 = = = 0 0 1 1 1 1 1 = = 1 1 0 1 1 = = 0 1 1 1 = 1 = = =
–   Spark 0.4 64-bit2882+11
−11
(−176)26 − 8
(+19−1=14)
76.5%
26.0 / 34
100.0%
−3
1 = 1 = = 1 = = 1 1 1 1 = 1 1 = 0 = = 1 1 = 1 1 1 = 1 = 1 = 1 1 1 =
–   Hannibal 1.0a 64-bit2862+14
−14
(−196)26 − 4
(+23−1=6)
86.7%
26.0 / 30
100.0%
+98
1 1 = = = 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 = 1 1 1 1 1 = 1 1 =
–   Protector 1.3.5 64-bit2856+14
−15
(−202)33.5 − 0.5
(+33−0=1)
98.5%
33.5 / 34
100.0%
+447
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 1 1 1 1 1 1 1
–   Toga II 1.4.1SE2823+10
−10
(−235)29.5 − 4.5
(+28−3=3)
86.8%
29.5 / 34
100.0%
+97
1 1 1 1 1 0 1 1 1 1 1 = 1 1 1 1 = 1 1 0 1 1 = 1 1 1 1 0 1 1 1 1 1 1
–   Booot 5.02784+15
−15
(−274)22.5 − 6.5
(+18−2=9)
77.6%
22.5 / 29
100.0%
−81
1 1 1 1 1 1 = 1 1 1 = 1 0 1 0 = = 1 = = 1 1 = = 1 1 1 1 =
–   Bright 0.4a2779+10
−9
(−279)28 − 6
(+22−0=12)
82.4%
28.0 / 34
100.0%
−58
1 1 1 1 1 1 1 1 1 1 1 = = = 1 1 = 1 = 1 1 1 1 = 1 = 1 = = 1 = 1 = =
–   Loop 13.6 (Loop 2007) 32-bit2775+10
−10
(−283)29 − 4
(+26−1=6)
87.9%
29.0 / 33
100.0%
+29
= 1 1 1 1 1 1 1 1 1 0 1 = 1 = 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 = 1 1
–   Bright 0.5c2771+7
−8
(−287)28 − 6
(+23−1=10)
82.4%
28.0 / 34
100.0%
−54
= 1 1 = 1 1 1 1 1 = 1 1 1 1 1 = = 1 1 1 = 1 1 = 1 = 1 0 1 1 1 = = 1
–   MinkoChess 0.9 64-bit2771+12
−12
(−287)29 − 5
(+25−1=8)
85.3%
29.0 / 34
100.0%
−15
= 1 1 = = 1 1 1 1 0 1 1 1 1 1 = 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1 1 1 1
–   Twisted Logic 20090922 64-bit2770+7
−7
(−288)29.5 − 4.5
(+27−2=5)
86.8%
29.5 / 34
100.0%
+24
1 = 0 1 1 1 = 1 1 = 1 1 1 1 1 1 = 1 1 0 1 = 1 1 1 1 1 1 1 1 1 1 1 1
–   MinkoChess 1.0 64-bit2769+19
−19
(−289)25.5 − 4.5
(+23−2=5)
85.0%
25.5 / 30
100.0%
−1
1 1 = 1 1 = 1 1 0 0 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 1 1 1 1 1
–   Bison 9.11 64-bit2761+10
−10
(−297)31.5 − 2.5
(+30−1=3)
92.6%
31.5 / 34
100.0%
+120
1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 = 1 1
–   Crafty 23.3 64-bit2757+15
−15
(−301)27 − 3
(+24−0=6)
90.0%
27.0 / 30
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 1
–   Scorpio 2.6 64-bit2756+14
−14
(−302)27 − 3
(+24−0=6)
90.0%
27.0 / 30
100.0%
+26
1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = = = = = 1 1 1 1 1 1 1
–   Chronos 1.9.9 64-bit2740+7
−7
(−318)30 − 4
(+27−1=6)
88.2%
30.0 / 34
100.0%
+1
1 1 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 0 = 1 = 1 = 1 1
–   Spike 1.2 Turin2731+6
−5
(−327)30.5 − 3.5
(+28−1=5)
89.7%
30.5 / 34
100.0%
+17
1 1 1 1 = 1 1 1 1 = 1 1 1 0 1 1 1 1 1 1 1 1 1 = = 1 1 1 = 1 1 1 1 1
–   Crafty 23.2 64-bit2721+15
−15
(−337)28.5 − 5.5
(+25−2=7)
83.8%
28.5 / 34
100.0%
−71
1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 0 1 1 1 1 0 1 = 1 1 = = = 1 = 1 1 1 1
–   Naum 2.0 32-bit2700+8
−8
(−358)30.5 − 3.5
(+29−2=3)
89.7%
30.5 / 34
100.0%
+15
1 1 0 1 1 1 1 1 1 = 1 1 1 0 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1
–   Frenzee Feb08 64-bit2694+10
−10
(−364)26 − 5
(+23−2=6)
83.9%
26.0 / 31
100.0%
−95
1 = 1 = = 1 1 = 1 1 1 1 = 1 1 1 0 1 1 1 1 = 1 1 1 1 1 1 1 1 0
–   Naum 2.0 64-bit2693+11
−11
(−365)31 − 3
(+28−0=6)
91.2%
31.0 / 34
100.0%
−13
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 1 1 =
–   Delfi 5.42683+7
−7
(−375)28.5 − 3.5
(+25−0=7)
89.1%
28.5 / 32
100.0%
−63
= = 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 December 7, 2019