CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

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Stockfish 1.7.1 32-bit (2977+17
−17
)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 103 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ChessBrainVB 3.723062+15
−15
(+85)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
0.0%
+66
= 1 0 = 1 0 = 0 = = 0 = = 1 1 0
–   Fizbo 1.7 64-bit3061+21
−21
(+84)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+91
= = = 1 = 1 = 0 = 0
–   Vajolet2 2.6 64-bit3060+15
−15
(+83)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
0.0%
+41
= = = 1 = = 0 0 0 0 = 1 = = 1 0 0 = = =
–   Protector 1.8.0 64-bit3039+17
−17
(+62)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.0%
+53
0 = 0 = 0 = 1 = 1 1
–   ChessBrainVB 3.683026+21
−21
(+49)7 − 7
(+3−3=8)
50.0%
7.0 / 14
0.0%
+49
1 = = 0 0 1 = = 1 = = = = 0
–   Rybka 4 32-bit3017+15
−15
(+40)24.5 − 29.5
(+10−15=29)
45.4%
24.5 / 54
0.0%
+12
= 1 = = 0 1 = = 0 = 1 = 0 1 = 0 0 = = = = = = = 1 = = 0 = = 0 = 0 = 0 = = 0 1 0 = 0 1 = = 1 0 = 0 0 1 1 = =
–   Pirarucu 3.0.7 64-bit3012+23
−23
(+35)6.5 − 9.5
(+2−5=9)
40.6%
6.5 / 16
0.8%
−16
= 0 = = 0 = = = 0 1 = = = 1 0 0
–   Andscacs 0.82 64-bit3009+24
−24
(+32)3 − 7
(+1−5=4)
30.0%
3.0 / 10
1.7%
−98
= 0 0 = 0 1 0 = 0 =
–   Texel 1.05 64-bit3009+15
−15
(+32)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.3%
+99
1 1 = 0 = = = 1 0 1
–   Andscacs 0.81 64-bit3004+26
−25
(+27)4 − 6
(+1−3=6)
40.0%
4.0 / 10
4.1%
−31
0 = 0 1 = = 0 = = =
–   Rybka 3 32-bit2994+12
−12
(+17)13 − 17
(+3−7=20)
43.3%
13.0 / 30
4.9%
−19
= 0 = = = 0 = 0 = 1 = 1 = 0 = = 0 = = = = = 0 = = = 0 = 1 =
–   RubiChess 1.3 64-bit2981+21
−21
(+4)7.5 − 4.5
(+5−2=5)
62.5%
7.5 / 12
40.8%
+80
0 1 = 1 1 = 1 = = = 1 0
–   Pirarucu 2.9.5 64-bit2966+19
−19
(−11)11 − 3
(+8−0=6)
78.6%
11.0 / 14
80.6%
+168
1 = = = 1 = 1 1 1 1 = 1 1 =
–   Andscacs 0.80 64-bit2962+25
−25
(−15)6 − 4
(+4−2=4)
60.0%
6.0 / 10
84.6%
+47
= = 1 1 = 1 0 1 0 =
–   Naum 4.2 32-bit2959+10
−10
(−18)17 − 15
(+7−5=20)
53.1%
17.0 / 32
97.1%
+1
0 = 1 0 1 = = = = = 1 = 1 = = = 1 0 = = = = 0 = = = 1 1 = = = 0
–   SmarThink 1.90 64-bit2959+30
−30
(−18)6 − 4
(+4−2=4)
60.0%
6.0 / 10
85.2%
+48
0 1 = = = 1 = 1 0 1
–   Pedone 1.4.1 64-bit2958+19
−20
(−19)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
93.6%
+12
0 1 1 = = = = 1 = 0
–   Pedone 1.5 64-bit2956+21
−21
(−21)5 − 5
(+1−1=8)
50.0%
5.0 / 10
94.0%
−24
= = = = 0 = 1 = = =
–   chess22k 1.10 64-bit2956+18
−18
(−21)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
95.8%
+15
= 1 = = = = 0 1
–   chess22k 1.9 64-bit2951+22
−22
(−26)5 − 7
(+3−5=4)
41.7%
5.0 / 12
96.9%
−81
= 0 0 0 1 1 0 = 0 = = 1
–   Shredder 12 32-bit2930+7
−8
(−47)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
+91
= = 1 = 1 = 1 1 = = = 1 = 1 = = = = 1 1 1 1 = = = 1 1 1 = 1 1 =
–   Rybka 2.3.2a 32-bit2913+9
−9
(−64)17 − 13
(+6−2=22)
56.7%
17.0 / 30
100.0%
−29
= = = 1 = = = = = = = 0 = = = = 1 1 1 0 1 = = = 1 = = = = =
–   Komodo 1.2 32-bit2897+14
−14
(−80)19.5 − 16.5
(+11−8=17)
54.2%
19.5 / 36
100.0%
−52
1 = 0 1 0 = 0 0 = 0 = 1 1 = = = = 1 = = 1 = 1 0 0 = = = 1 = 1 = 1 = 0 1
–   Fritz 122887+11
−11
(−90)22 − 9
(+14−1=16)
71.0%
22.0 / 31
100.0%
+34
1 = 1 = = = = 1 = 1 0 1 = 1 = 1 = = = 1 1 = = 1 = = 1 1 = 1 1
–   Critter 0.70 32-bit2878+20
−20
(−99)24 − 12
(+16−4=16)
66.7%
24.0 / 36
100.0%
+5
1 1 = 1 1 1 0 = = 1 1 = 1 = = = = 0 1 0 1 = = 1 = = = = 1 = 1 1 1 0 1 =
–   Hiarcs 13.12875+14
−14
(−102)21 − 11
(+14−4=14)
65.6%
21.0 / 32
100.0%
−5
0 = 1 1 = 1 = = = 1 = = = = 1 = 0 1 1 1 1 1 0 = 1 1 = = = 1 1 0
–   Komodo 1.0 32-bit2868+16
−16
(−109)22 − 12
(+12−2=20)
64.7%
22.0 / 34
100.0%
−25
1 = = 0 1 1 = = = = 1 1 = 1 1 = = = = 1 = = = = 0 = 1 = = 1 = 1 = 1
–   Thinker 5.4d Inert 32-bit2857+10
−10
(−120)25 − 14
(+15−4=20)
64.1%
25.0 / 39
100.0%
−39
= 1 = 1 = 1 = 0 = = 0 = = 1 = 1 = = = = 1 = = = = = 0 1 1 = 1 1 1 1 0 1 1 = 1
–   Deep Junior 11.1a 32-bit2831+17
−17
(−146)18 − 12
(+11−5=14)
60.0%
18.0 / 30
100.0%
−85
0 1 = 1 = 1 = = = = = 0 1 = 0 0 1 1 1 1 0 = = = 1 1 1 = = =
–   Critter 0.60 32-bit2831+23
−23
(−146)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
−8
1 = 1 = 1 = = 1 1 1 = 1 = 1 1 1 0 1 = 1 1 = 0 = = 1 1 = 1 = = = 1 =
–   Protector 1.3.5 32-bit2830+15
−15
(−147)21 − 14
(+11−4=20)
60.0%
21.0 / 35
100.0%
−88
= = 1 = 1 = 1 = 1 = 1 0 1 0 1 = = = = = = 1 = 1 = 0 1 = 1 = = = = 0 =
–   Grapefruit 1.0 32-bit2827+9
−9
(−150)29 − 11
(+20−2=18)
72.5%
29.0 / 40
100.0%
−10
1 1 = = 1 0 = = 1 1 1 = = 1 1 1 = 1 1 0 = = = 1 = = 1 = 1 1 = 1 1 1 1 = = = 1 =
–   Deep Sjeng WC2008 32-bit2826+12
−12
(−151)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−8
= = = = 1 1 1 1 1 = = 1 = = 1 = 1 = = = = 1 1 1 1 1 = 1 1 0
–   Protector 1.3.4 32-bit2825+15
−15
(−152)26.5 − 8.5
(+18−0=17)
75.7%
26.5 / 35
100.0%
+6
1 = = = 1 = 1 = 1 1 = = 1 = = = = 1 1 1 = 1 = 1 = 1 = 1 1 = 1 1 = 1 1
–   Spark 0.4 32-bit2822+16
−16
(−155)26 − 8
(+18−0=16)
76.5%
26.0 / 34
100.0%
+8
= = 1 1 1 = = 1 1 1 = = = 1 1 = 1 1 1 = = = 1 1 = 1 = = 1 1 1 1 = =
–   Deep Junior 11.2 32-bit2818+21
−21
(−159)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−34
1 = 1 1 = 1 = 1 1 0 = = = = 1 1 1 1 = 1 = = 1 1 = 1 1 1 = 0 0 0
–   Hiarcs 12.12818+11
−11
(−159)24.5 − 5.5
(+20−1=9)
81.7%
24.5 / 30
100.0%
+66
1 1 1 1 1 1 1 1 1 = = = 1 1 1 1 = = = = 1 1 1 0 1 = 1 1 = 1
–   Spark 0.3a 32-bit2800+17
−17
(−177)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
−74
1 = 1 = = 1 1 = = 1 1 = = = 1 1 1 = = 1 = = = = = 0 1 = 1 0 = 1 = 1
–   Spark 0.3 32-bit2798+16
−16
(−179)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+9
1 0 = 1 1 1 = = 1 1 1 = 1 = = 1 1 = 1 1 = 1 1 1 1 1 = = = 1
–   Onno 1.2.70 32-bit2787+18
−18
(−190)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+41
1 1 1 1 1 = 1 1 1 1 1 1 = = = = 1 = = 1 1 1 1 = = 1 = 1 1 1
–   Bright 0.5c2778+13
−13
(−199)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+70
1 1 1 1 1 1 1 1 1 0 1 = 1 = = 1 1 1 1 1 = = 1 1 1 1 1 = 1 =
–   Loop 13.6 (Loop 2007) 32-bit2774+10
−10
(−203)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+71
= = = 1 1 1 = 1 1 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1
–   Spike 1.2 Turin2746+7
−7
(−231)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−83
1 = 1 1 1 0 1 = 1 = = = 1 = = 1 1 = = = 1 1 1 = 1 = 1 = 1 =
–   Twisted Logic 20100131x 32-bit2739+18
−18
(−238)32 − 6
(+26−0=12)
84.2%
32.0 / 38
100.0%
+5
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
–   Bison 9.11 32-bit2728+14
−14
(−249)58 − 10
(+51−3=14)
85.3%
58.0 / 68
100.0%
+30
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 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 0
–   Booot 4.15.12697+30
−30
(−280)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
−130
1 = = 1 = = 1 1
–   Crafty 23.2 32-bit2696+32
−32
(−281)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Delfi 5.42690+11
−12
(−287)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−3
1 1 = 1
–   Scorpio 2.5 32-bit2664+32
−32
(−313)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−24
1 = 1 1

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Created in 2005-2013 by CCRL team
Last games added on September 21, 2019