CCRL 40/15
Downloads and Statistics
January 25, 2020
Testing summary:
Total: 1'116'816 games
played by 2'606 programs

White wins: 386'579 (34.6%)
Black wins: 286'858 (25.7%)
Draws: 443'379 (39.7%)
White score: 54.5%

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Stockfish 1.8 32-bit (2988+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 107 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ChessBrainVB 3.743069+19
−19
(+81)5.5 − 8.5
(+2−5=7)
39.3%
5.5 / 14
0.0%
+14
= = = 0 = 1 0 = 0 = 0 1 0 =
–   chess22k 1.12 64-bit3050+16
−16
(+62)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−86
1 0 = 0 0 = = 0 0 0 0 1
–   ChessBrainVB 3.703044+23
−23
(+56)9.5 − 4.5
(+7−2=5)
67.9%
9.5 / 14
0.0%
+174
= 1 = = 1 0 = 1 0 = 1 1 1 1
–   iCE 3.0 64-bit3042+11
−11
(+54)6 − 4
(+2−0=8)
60.0%
6.0 / 10
0.0%
+103
= = = 1 = = = = 1 =
–   Demolito 2019-07-15 64-bit3028+24
−24
(+40)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.5%
+95
0 = 1 1 = = = 1 = =
–   Rybka 4 32-bit3017+15
−15
(+29)13.5 − 21.5
(+2−10=23)
38.6%
13.5 / 35
0.6%
−32
= = 0 0 = 0 = 0 0 = = = 0 = 1 = = = = 0 = = = 0 = = 0 = 1 = = = 0 = =
–   Pedone 1.7 64-bit3014+17
−17
(+26)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
1.9%
+2
= 1 0 = 0 0 = 1 = = 0 1
–   Ethereal 9.30 64-bit3005+25
−26
(+17)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
14.5%
−73
0 = = = 0 1 0 = = 0
–   Vajolet2 2.5 64-bit3002+18
−18
(+14)7.5 − 4.5
(+4−1=7)
62.5%
7.5 / 12
14.2%
+82
= = 1 = 0 1 1 1 = = = =
–   chess22k 1.11 64-bit2990+20
−20
(+2)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
45.9%
+24
0 = = = = 1 = 1 0 1 = = 0 1
–   Deuterium 2019.2.37.73 64-bit2988+20
−21
(0)9 − 11
(+5−7=8)
45.0%
9.0 / 20
50.5%
−31
= = = = 0 = 0 1 1 1 0 0 = 1 = 1 0 0 0 =
–   Pedone 1.6 64-bit2977+19
−19
(−11)6 − 4
(+3−1=6)
60.0%
6.0 / 10
79.7%
+40
0 1 = = = = 1 = 1 =
–   Fizbo 1.6 64-bit2965+28
−28
(−23)4 − 6
(+1−3=6)
40.0%
4.0 / 10
92.3%
−78
= = = = 0 = = 0 1 0
–   Alfil 15.8 64-bit2964+17
−17
(−24)6 − 4
(+3−1=6)
60.0%
6.0 / 10
97.7%
+27
1 = 0 = 1 1 = = = =
–   Naum 4.2 32-bit2959+10
−10
(−29)19.5 − 14.5
(+11−6=17)
57.4%
19.5 / 34
99.8%
+14
1 1 = 1 = = = = = 1 = = 1 = 0 1 0 = 0 = = = = 0 0 1 1 1 = = 1 1 0 =
–   Shredder 12 32-bit2929+7
−8
(−59)40 − 24
(+24−8=32)
62.5%
40.0 / 64
100.0%
+14
1 = 1 = 1 1 = 1 1 = = 1 = = 1 1 = 1 = 1 = = = = 0 1 1 = = 1 0 = = 0 = = 0 1 1 0 = = 1 = = 1 1 1 = = = 0 1 = 1 = 1 = = 0 0 1 = =
–   Bobcat 8.0 64-bit2924+13
−13
(−64)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
+65
= 1 1 = 1 1 1 0 = =
–   Critter 0.80 32-bit2924+16
−16
(−64)24 − 18
(+12−6=24)
57.1%
24.0 / 42
100.0%
−22
= = = 0 = = 0 = 1 1 = = 1 1 0 = = 1 = 1 = 0 = 1 = = = 1 0 = = 1 0 1 = 1 = = 1 = = =
–   Rybka 2.3.2a 32-bit2912+9
−9
(−76)17.5 − 12.5
(+7−2=21)
58.3%
17.5 / 30
100.0%
−28
1 = = = 1 = = = = = 0 0 = = 1 = 1 = = = = = 1 = 1 = 1 = = =
–   Komodo 1.2 32-bit2897+14
−14
(−91)24.5 − 13.5
(+12−1=25)
64.5%
24.5 / 38
100.0%
−12
= = = = = = = 1 = 1 1 = 1 1 = = = = 1 1 = 1 = = = = = 1 1 = = = 1 = 1 0 = =
–   Fritz 122886+11
−11
(−102)25 − 9
(+17−1=16)
73.5%
25.0 / 34
100.0%
+44
= 1 = = 1 1 1 = 1 1 1 1 1 = 1 = 0 = 1 1 = = = = = 1 = 1 = = 1 1 1 =
–   Gull 1.0a 32-bit2886+12
−12
(−102)23.5 − 10.5
(+14−1=19)
69.1%
23.5 / 34
100.0%
+7
= = 1 = 1 = = = 1 = = 1 = 0 1 = = = = 1 = = 1 = 1 = = = 1 1 1 1 1 1
–   Critter 0.70 32-bit2877+20
−20
(−111)20.5 − 9.5
(+12−1=17)
68.3%
20.5 / 30
100.0%
−2
1 = 1 = 1 = = = 1 = = = 1 = = 1 = 1 = 1 = 0 = 1 1 1 = 1 = =
–   Hiarcs 13.12874+14
−14
(−114)19 − 11
(+13−5=12)
63.3%
19.0 / 30
100.0%
−29
= = = = 1 = = = 1 0 0 1 1 = 1 = 1 1 0 1 1 1 = 1 1 0 1 = 0 =
–   Gull 0.12a 32-bit2870+21
−21
(−118)28 − 11
(+21−4=14)
71.8%
28.0 / 39
100.0%
+23
1 1 1 = = = = = = 1 = 0 = 0 = = 1 1 1 1 1 1 = 1 1 1 = 1 1 0 = 1 1 0 1 = 1 1 1
–   Thinker 5.4d Inert 32-bit2857+10
−10
(−131)26 − 12
(+16−2=20)
68.4%
26.0 / 38
100.0%
−22
1 = = 1 = = 1 = 0 = = = = 1 1 1 = 1 1 1 = = 1 = 1 = = 1 1 = 1 1 = = = = 1 0
–   Gull 0.11a 32-bit2848+21
−21
(−140)24 − 8
(+17−1=14)
75.0%
24.0 / 32
100.0%
+20
1 = 1 1 = 1 1 1 1 1 = 1 1 = 1 = = 1 1 = 1 1 = = = = 1 = 0 = = 1
–   Deep Junior 11.1a 32-bit2831+17
−17
(−157)19 − 11
(+13−5=12)
63.3%
19.0 / 30
100.0%
−72
= 1 0 1 1 1 = = = = = 1 1 = 1 = 0 0 = = = 1 1 1 0 1 0 1 1 =
–   Protector 1.3.5 32-bit2830+15
−15
(−158)31 − 7
(+24−0=14)
81.6%
31.0 / 38
100.0%
+55
= 1 = 1 1 1 1 1 = 1 1 1 = 1 1 = 1 1 = = 1 = 1 1 1 1 1 = = = 1 1 = = = 1 1 1
–   Grapefruit 1.0 32-bit2826+9
−9
(−162)23 − 7
(+16−0=14)
76.7%
23.0 / 30
100.0%
+2
= = = = = 1 = 1 1 1 = 1 1 1 1 1 1 = 1 1 = = 1 = = 1 = = 1 1
–   Booot 5.02825+15
−15
(−163)26 − 8
(+19−1=14)
76.5%
26.0 / 34
100.0%
+4
= 1 = 1 = = 1 1 1 1 1 1 = 1 = 1 = 1 = = 1 0 1 = 1 1 1 = = = 1 1 1 =
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−163)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
−30
1 0 1 1 1 0 1 1 1 1 1 = = 0 = 1 = 1 = = 1 1 = 0 = 1 1 = 1 =
–   Protector 1.3.4 32-bit2824+15
−15
(−164)21 − 9
(+13−1=16)
70.0%
21.0 / 30
100.0%
−46
1 1 = = = = = = 1 1 = 1 1 = = 1 1 1 = 1 = = = 1 0 = 1 = = 1
–   Cyclone xTreme2824+13
−13
(−164)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+105
1 1 = 1 1 = 1 = = 1 1 1 1 1 1 1 1 1 1 1 = 1 1 0 = 1 1 1 1 =
–   Spark 0.4 32-bit2822+16
−16
(−166)30 − 8
(+22−0=16)
78.9%
30.0 / 38
100.0%
+21
= 1 = 1 1 = 1 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
(−170)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
−13
1 = = 1 1 0 1 = = = 1 0 1 0 = 1 1 1 = 1 = 1 1 = 1 = 1 1 1 1
–   Hannibal 1.0a 32-bit2801+12
−12
(−187)30.5 − 7.5
(+23−0=15)
80.3%
30.5 / 38
100.0%
+11
1 = 1 1 = 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
(−210)23.5 − 6.5
(+17−0=13)
78.3%
23.5 / 30
100.0%
−29
1 = = 1 = 1 1 1 = = 1 = 1 1 1 1 1 = 1 1 = = = 1 = 1 1 = 1 =
–   Loop 13.6 (Loop 2007) 32-bit2774+10
−10
(−214)22 − 8
(+14−0=16)
73.3%
22.0 / 30
100.0%
−75
1 = = 1 = 1 1 = 1 = 1 = = = = = = = 1 = = = 1 1 1 = 1 1 1 1
–   MinkoChess 1.0 32-bit2744+32
−32
(−244)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
−94
= = 1 1 1 = 1 =
–   Chronos 1.9.9 32-bit2740+16
−17
(−248)7.5 − 0.5
(+7−0=1)
93.8%
7.5 / 8
100.0%
+164
1 1 1 1 1 1 = 1
–   Bison 9.11 32-bit2728+14
−14
(−260)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−260
= = = =
–   Booot 4.15.12697+30
−30
(−291)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−2
= 1 1 1
–   Scorpio 2.6 32-bit2694+31
−31
(−294)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−5
1 = 1 1

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Created in 2005-2013 by CCRL team
Last games added on January 25, 2020