CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

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Sting SF 9.9 64-bit (3010+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 104 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Komodo 8 64-bit3204+16
−16
(+194)8.5 − 31.5
(+0−23=17)
21.3%
8.5 / 40
0.0%
+9
–   Komodo 12.1.1 MCTS 64-bit 4CPU3182+16
−17
(+172)10 − 40
(+2−32=16)
20.0%
10.0 / 50
0.0%
−38
–   Andscacs 0.93 64-bit3170+13
−13
(+160)9.5 − 22.5
(+3−16=13)
29.7%
9.5 / 32
0.0%
+28
–   Houdini 4 64-bit3168+10
−10
(+158)6.5 − 33.5
(+1−28=11)
16.3%
6.5 / 40
0.0%
−89
–   Fire 4 64-bit3146+10
−11
(+136)8.5 − 31.5
(+2−25=13)
21.3%
8.5 / 40
0.0%
−60
–   Gull 3 64-bit3121+7
−7
(+111)12 − 28
(+5−21=14)
30.0%
12.0 / 40
0.0%
−22
–   Chiron 4 64-bit3115+8
−9
(+105)8.5 − 23.5
(+1−16=15)
26.6%
8.5 / 32
0.0%
−36
–   Strelka 5.5 64-bit3104+6
−6
(+94)10 − 22
(+2−14=16)
31.3%
10.0 / 32
0.0%
−19
–   Fritz 16 64-bit3101+11
−11
(+91)13.5 − 18.5
(+6−11=15)
42.2%
13.5 / 32
0.0%
+44
–   Critter 1.6a 64-bit3101+7
−7
(+91)11.5 − 28.5
(+2−19=19)
28.8%
11.5 / 40
0.0%
−39
–   Komodo 12.1.1 MCTS 64-bit3080+15
−15
(+70)15 − 25
(+9−19=12)
37.5%
15.0 / 40
0.0%
−16
–   Texel 1.07 64-bit3075+12
−12
(+65)9 − 23
(+1−15=16)
28.1%
9.0 / 32
0.0%
−69
–   Laser 1.5 64-bit3072+14
−15
(+62)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.0%
+30
–   BlackMamba 2.0 64-bit3057+10
−10
(+47)18.5 − 21.5
(+8−11=21)
46.3%
18.5 / 40
0.0%
+26
–   Stockfish 2.1.1 64-bit3053+15
−15
(+43)14 − 18
(+2−6=24)
43.8%
14.0 / 32
0.0%
+11
–   Ethereal 9.65 64-bit3041+17
−17
(+31)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
0.5%
−213
–   Nemorino 4.00 64-bit3040+17
−17
(+30)19.5 − 16.5
(+10−7=19)
54.2%
19.5 / 36
0.5%
+52
–   Gull 3.1 64-bit3039+16
−16
(+29)14.5 − 17.5
(+5−8=19)
45.3%
14.5 / 32
0.5%
+4
–   Arasan 20.4.1 64-bit3037+16
−16
(+27)16 − 16
(+9−9=14)
50.0%
16.0 / 32
1.0%
+28
–   Senpai 2.0 64-bit3036+12
−12
(+26)14.5 − 17.5
(+5−8=19)
45.3%
14.5 / 32
0.5%
−1
–   ChessBrainVB 3.663035+23
−23
(+25)2 − 2
(+0−0=4)
50.0%
2.0 / 4
3.6%
+25
–   Arasan 20.5 64-bit3025+20
−20
(+15)3 − 1
(+2−0=2)
75.0%
3.0 / 4
12.8%
+165
–   SmarThink 1.98 64-bit3025+13
−13
(+15)17 − 19
(+12−14=10)
47.2%
17.0 / 36
6.9%
−6
–   Xiphos 0.2 64-bit3024+18
−18
(+14)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
12.5%
+96
–   Chiron 2 64-bit3015+13
−13
(+5)20.5 − 19.5
(+14−13=13)
51.3%
20.5 / 40
29.0%
+11
–   Pedone 1.7 64-bit3013+17
−17
(+3)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
37.2%
+85
–   Naum 4.6 64-bit3012+12
−12
(+2)23.5 − 16.5
(+15−8=17)
58.8%
23.5 / 40
38.8%
+58
–   Ethereal 9.30 64-bit3005+26
−25
(−5)1 − 1
(+1−1=0)
50.0%
1.0 / 2
62.7%
−5
–   Vajolet2 2.5 64-bit3001+18
−18
(−9)2 − 2
(+2−2=0)
50.0%
2.0 / 4
74.4%
−9
–   Sting SF 9 64-bit2998+16
−16
(−12)16.5 − 15.5
(+5−4=23)
51.6%
16.5 / 32
83.2%
−3
–   Defenchess 1.1f 64-bit2997+12
−12
(−13)18 − 18
(+10−10=16)
50.0%
18.0 / 36
88.0%
−13
–   Xiphos 0.1 64-bit2986+20
−20
(−24)19.5 − 12.5
(+13−6=13)
60.9%
19.5 / 32
96.5%
+46
–   Rodent III 0.238 64-bit2982+15
−14
(−28)2 − 2
(+1−1=2)
50.0%
2.0 / 4
99.2%
−28
–   Vajolet2 2.4 64-bit2969+21
−21
(−41)16.5 − 15.5
(+7−6=19)
51.6%
16.5 / 32
99.9%
−30
–   Ethereal 9.00 64-bit2968+18
−18
(−42)17 − 15
(+8−6=18)
53.1%
17.0 / 32
100.0%
−24
–   Hakkapeliitta 3.0 64-bit2954+12
−11
(−56)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
100.0%
+29
–   Wasp 2.6 64-bit2947+13
−13
(−63)21.5 − 10.5
(+15−4=13)
67.2%
21.5 / 32
100.0%
+47
–   Bobcat 8.0 64-bit2923+13
−13
(−87)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−169
–   RubiChess 1.2.1 64-bit2907+19
−19
(−103)10.5 − 3.5
(+9−2=3)
75.0%
10.5 / 14
100.0%
+81
–   Scorpio 2.8 64-bit2885+14
−14
(−125)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−6

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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019