CCRL 40/40
Downloads and Statistics
May 25, 2019
Testing summary:
Total: 1'048'225 games
played by 2'458 programs
143565 CPU days (X2 4600+)

White wins: 364'320 (34.8%)
Black wins: 271'251 (25.9%)
Draws: 412'654 (39.4%)
White score: 54.4%

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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 99 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fizbo 1.7 64-bit3062+21
−21
(+85)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+92
= = = 1 = 1 = 0 = 0
–   ChessBrainVB 3.723060+16
−16
(+83)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
0.0%
+64
= 0 = = 1 0 0 = = 1 0 = = 1 1 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 0 = 1 = = 1 0
–   Protector 1.8.0 64-bit3039+17
−17
(+62)5 − 5
(+3−3=4)
50.0%
5.0 / 10
0.0%
+53
1 = 1 1 0 = 0 = 0 =
–   ChessBrainVB 3.683025+21
−21
(+48)7 − 7
(+3−3=8)
50.0%
7.0 / 14
0.0%
+48
1 = = 0 0 1 = = 1 = = = = 0
–   Rybka 4 32-bit3016+15
−15
(+39)24.5 − 29.5
(+10−15=29)
45.4%
24.5 / 54
0.0%
+11
= = = = = = 1 = = = 0 = 1 = 0 1 = 0 0 = = 1 = = 0 1 = 0 = = 0 = 0 = 0 = = 0 1 0 = 0 1 = = 1 0 = 0 0 1 1 = =
–   Andscacs 0.82 64-bit3009+24
−24
(+32)3 − 7
(+1−5=4)
30.0%
3.0 / 10
1.6%
−98
0 = 0 = = 0 0 = 0 1
–   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+25
−25
(+27)4 − 6
(+1−3=6)
40.0%
4.0 / 10
4.1%
−31
0 = = = 0 1 = = 0 =
–   Rybka 3 32-bit2994+13
−12
(+17)13 − 17
(+3−7=20)
43.3%
13.0 / 30
5.5%
−19
= 0 = = = 0 = 0 = 1 = 1 = 0 = = 0 = = = = = 0 = = = 0 = 1 =
–   RubiChess 1.3 64-bit2976+21
−21
(−1)7.5 − 4.5
(+5−2=5)
62.5%
7.5 / 12
52.9%
+75
0 1 1 = = = 1 0 = 1 1 =
–   Pirarucu 2.9.5 64-bit2965+21
−21
(−12)11 − 3
(+8−0=6)
78.6%
11.0 / 14
80.3%
+167
= = 1 = 1 1 1 = 1 1 = 1 1 =
–   Andscacs 0.80 64-bit2961+26
−26
(−16)6 − 4
(+4−2=4)
60.0%
6.0 / 10
85.0%
+46
= = 1 1 = 1 0 1 0 =
–   SmarThink 1.90 64-bit2959+30
−30
(−18)6 − 4
(+4−2=4)
60.0%
6.0 / 10
85.0%
+48
0 1 = = = 1 = 1 0 1
–   Naum 4.2 32-bit2958+10
−10
(−19)17 − 15
(+7−5=20)
53.1%
17.0 / 32
97.3%
0
0 = 1 0 1 = = = = = 1 = 1 = = = 1 0 = = = = 0 = 1 1 = = = 0 = =
–   Pedone 1.4.1 64-bit2957+19
−19
(−20)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
93.2%
+11
0 1 1 = = = = 1 = 0
–   Pedone 1.5 64-bit2956+21
−21
(−21)5 − 5
(+1−1=8)
50.0%
5.0 / 10
93.6%
−24
= = = = 0 = 1 = = =
–   chess22k 1.10 64-bit2955+18
−18
(−22)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
96.0%
+14
= = 0 1 = 1 = =
–   chess22k 1.9 64-bit2951+22
−22
(−26)5 − 7
(+3−5=4)
41.7%
5.0 / 12
97.0%
−81
0 = = 1 = 0 0 0 1 1 0 =
–   Shredder 12 32-bit2929+8
−7
(−48)23.5 − 8.5
(+15−0=17)
73.4%
23.5 / 32
100.0%
+90
= = 1 = 1 = 1 1 = = = 1 = 1 = = = = 1 1 1 1 = = 1 1 = 1 1 = = 1
–   Rybka 2.3.2a 32-bit2912+9
−9
(−65)17 − 13
(+6−2=22)
56.7%
17.0 / 30
100.0%
−30
= = = 1 1 1 1 0 1 = = = 1 = = = = = = = = = = = = 0 = = = =
–   Komodo 1.2 32-bit2896+14
−14
(−81)19.5 − 16.5
(+11−8=17)
54.2%
19.5 / 36
100.0%
−53
1 1 = = = = 1 = = 1 = 1 = = = 1 1 = 0 1 0 = 0 0 = 0 = 0 0 = 1 = 1 = 0 1
–   Fritz 122886+11
−11
(−91)22 − 9
(+14−1=16)
71.0%
22.0 / 31
100.0%
+33
1 = = = = 1 = 1 0 1 = 1 = 1 = = = 1 1 = = 1 = = 1 1 = 1 1 1 =
–   Critter 0.70 32-bit2877+19
−19
(−100)24 − 12
(+16−4=16)
66.7%
24.0 / 36
100.0%
+4
= 1 = = = = 0 1 0 1 = = 1 = = 1 = 1 1 1 1 1 = 1 1 1 0 = = 1 1 = = 0 1 =
–   Hiarcs 13.12874+14
−14
(−103)21 − 11
(+14−4=14)
65.6%
21.0 / 32
100.0%
−6
= = = = 1 = 0 1 1 1 1 1 1 1 = = = 1 0 = 1 1 = 1 = = = 1 0 = 1 0
–   Komodo 1.0 32-bit2867+16
−16
(−110)22 − 12
(+12−2=20)
64.7%
22.0 / 34
100.0%
−26
1 = = 0 1 1 = = = = 1 = 1 1 = = = = 1 = = = = 0 = 1 = = 1 = 1 = 1 1
–   Thinker 5.4d Inert 32-bit2856+10
−10
(−121)25 − 14
(+15−4=20)
64.1%
25.0 / 39
100.0%
−40
0 = 1 = 1 = 1 = 0 = = 0 1 = 1 = = = = 1 = = = = = = 1 1 1 1 0 1 1 = 1 = = 1 1
–   Critter 0.60 32-bit2830+23
−23
(−147)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
−9
1 = 1 = 1 = = = 1 1 = 0 = = 1 1 = 1 = = = 1 = 1 1 1 = 1 = 1 1 1 0 1
–   Deep Junior 11.1a 32-bit2830+17
−17
(−147)18 − 12
(+11−5=14)
60.0%
18.0 / 30
100.0%
−86
0 1 = 1 = 1 = = = = = 0 1 = 0 0 1 1 1 1 0 = = = 1 1 1 = = =
–   Protector 1.3.5 32-bit2829+15
−15
(−148)21 − 14
(+11−4=20)
60.0%
21.0 / 35
100.0%
−89
0 1 = 1 = = = = 0 = = 1 = 1 = 1 = 1 = 1 = 0 1 = = = = = = 1 = 1 = 0 1
–   Grapefruit 1.0 32-bit2826+9
−9
(−151)29 − 11
(+20−2=18)
72.5%
29.0 / 40
100.0%
−11
= 1 1 = = 1 0 = = 1 1 1 1 1 = 1 1 0 = = = 1 = = 1 1 1 1 1 = = = 1 = = 1 = 1 1 =
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−152)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−9
= = = = 1 1 1 1 1 = = 1 = = 1 = 1 = = = = 1 1 1 1 1 = 1 1 0
–   Protector 1.3.4 32-bit2824+15
−15
(−153)26.5 − 8.5
(+18−0=17)
75.7%
26.5 / 35
100.0%
+5
1 = = = 1 = 1 = 1 1 = 1 = = = = 1 1 1 = 1 = 1 = 1 = 1 1 = 1 1 = 1 1 =
–   Spark 0.4 32-bit2821+16
−16
(−156)26 − 8
(+18−0=16)
76.5%
26.0 / 34
100.0%
+7
= 1 = 1 = = 1 1 1 1 = = = = 1 1 1 = = 1 1 1 = = = 1 1 1 1 = = = 1 1
–   Hiarcs 12.12817+11
−11
(−160)24.5 − 5.5
(+20−1=9)
81.7%
24.5 / 30
100.0%
+65
1 1 1 1 1 1 1 1 1 = = = 1 1 1 1 = = = = 1 1 1 0 1 = 1 1 = 1
–   Deep Junior 11.2 32-bit2817+21
−21
(−160)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−35
1 = 1 1 = 1 = 1 1 0 = = = = 1 1 1 1 = 1 = = 1 1 = 1 1 1 = 0 0 0
–   Spark 0.3a 32-bit2799+17
−17
(−178)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
−75
1 = 1 = = = 1 = = = = = 0 1 = 1 0 = 1 = 1 = 1 1 = = 1 1 = = = 1 1 1
–   Spark 0.3 32-bit2797+16
−16
(−180)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+8
1 0 = 1 1 1 1 1 = 1 1 1 1 1 = = = 1 = = 1 1 1 = 1 = = 1 1 =
–   Onno 1.2.70 32-bit2786+18
−18
(−191)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+40
1 1 1 1 1 = 1 1 1 1 1 1 = = = = 1 = = 1 1 1 1 = = 1 = 1 1 1
–   Bright 0.5c2778+12
−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 1 = = 1 1 1 1 1 = 1 = 1 1 1 0 1 = 1 = = 1
–   Loop 13.6 (Loop 2007) 32-bit2773+10
−10
(−204)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+70
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 Turin2745+7
−7
(−232)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−84
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 0 = 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 0 = 1 1 1 1 1 1 1 1 = 1 = = 1 1 1 1 1 1 = =
–   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-bit2695+32
−32
(−282)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Delfi 5.42689+12
−12
(−288)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−4
1 1 = 1
–   Scorpio 2.5 32-bit2663+32
−32
(−314)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−25
1 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on May 25, 2019