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 64-bit (2998+16
−16
)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
–   Houdini 6 Tactical 64-bit3314+18
−18
(+316)5 − 44
(+0−39=10)
10.2%
5.0 / 49
0.0%
−10
0 0 0 0 0 0 = 0 0 = 0 = 0 0 = 0 0 0 0 0 = 0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 0 = 0 = 0 = = 0 0 0
–   Stockfish 8 64-bit3301+11
−11
(+303)3.5 − 35.5
(+1−33=5)
9.0%
3.5 / 39
0.0%
−68
0 0 0 0 0 0 0 0 = 0 0 0 0 = = 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 = 0 0
–   Fire 6.1 64-bit3204+12
−12
(+206)7.5 − 32.5
(+0−25=15)
18.8%
7.5 / 40
0.0%
−3
0 0 = 0 0 = = 0 = 0 = = 0 0 = = = 0 0 = = 0 0 0 0 0 0 = = 0 0 0 0 = 0 0 0 = 0 0
–   Shredder 13 64-bit3201+8
−8
(+203)9.5 − 30.5
(+2−23=15)
23.8%
9.5 / 40
0.0%
+29
0 = = = 0 0 = 0 0 = 0 = 0 0 = 0 0 0 = 0 0 0 = 1 = 0 0 = 1 0 = = 0 0 0 = = 0 0 0
–   Fizbo 1.9 64-bit3176+12
−12
(+178)7.5 − 32.5
(+2−27=11)
18.8%
7.5 / 40
0.0%
−47
1 = = 0 0 0 0 = 0 0 = 0 = = 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = 0 1 = = = 0 0 0 0
–   Andscacs 0.921 64-bit3150+14
−14
(+152)8 − 32
(+1−25=14)
20.0%
8.0 / 40
0.0%
−50
0 0 = 0 = = 0 = 0 0 = 0 0 0 0 0 = 0 = 0 0 0 0 = 0 = 0 = 1 0 0 = 0 0 = = 0 0 0 =
–   Chiron 4 64-bit3115+8
−9
(+117)11.5 − 27.5
(+4−20=15)
29.5%
11.5 / 39
0.0%
−17
= 1 0 = = 0 = = 0 0 = = 0 0 0 0 = 0 0 = = 0 1 0 = = 0 1 0 = 0 = 1 0 0 = 0 0 0
–   Fritz 16 64-bit3101+11
−11
(+103)16 − 23
(+7−14=18)
41.0%
16.0 / 39
0.0%
+46
1 0 = 0 = = = 0 0 0 = 0 = = 0 = = = 0 = 1 0 1 = 0 = 1 = = 0 = 0 1 0 = = 0 1 1
–   Texel 1.07 64-bit3075+12
−12
(+77)13 − 27
(+5−19=16)
32.5%
13.0 / 40
0.0%
−36
1 = = 0 1 0 0 = = 0 0 0 1 = = 0 0 0 = 1 = 0 = 0 1 0 = 0 = = = = = 0 0 = 0 0 0 0
–   Stockfish 2.1.1 64-bit3053+15
−15
(+55)20.5 − 19.5
(+5−4=31)
51.3%
20.5 / 40
0.0%
+62
= = 1 0 = = = = = = 0 = = = = = = = = 0 = = = = = = 1 = = = = = 1 = = = 0 = 1 1
–   iCE 3.0 64-bit3042+12
−12
(+44)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
0.0%
+334
= 1 1 1
–   Nemorino 4.00 64-bit3040+17
−17
(+42)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−85
= 0 0 0 0 = 0 1 = =
–   Gull 3.1 64-bit3039+16
−16
(+41)12 − 26
(+4−18=16)
31.6%
12.0 / 38
0.0%
−76
0 0 = 0 0 0 0 = = 0 = = = 1 0 = = 0 0 = 1 = = 0 = 0 1 0 = 0 0 0 = 1 = 0 = 0
–   Senpai 2.0 64-bit3036+12
−12
(+38)19.5 − 24.5
(+6−11=27)
44.3%
19.5 / 44
0.0%
+4
= = 0 1 = = = = 0 = 0 1 0 = 0 1 1 = 0 = = = 0 = 0 1 0 = = 1 = = = = 0 = = = = = 0 = = =
–   Laser 1.4 64-bit3026+18
−18
(+28)18 − 22
(+8−12=20)
45.0%
18.0 / 40
1.1%
−1
= = = = = 1 = 0 = 0 0 0 1 = 0 0 = 1 = = = = 1 0 0 1 1 0 0 = = = = = 1 = 0 1 0 =
–   Pedone 1.7 64-bit3013+17
−17
(+15)5 − 7
(+2−4=6)
41.7%
5.0 / 12
9.9%
−33
= = 0 = = 1 = = 0 0 0 1
–   Pirarucu 3.0.7 64-bit3013+19
−19
(+15)9.5 − 6.5
(+5−2=9)
59.4%
9.5 / 16
12.6%
+68
= = 1 1 = 1 = = 0 1 0 1 = = = =
–   Sting SF 9.9 64-bit3010+17
−17
(+12)15.5 − 16.5
(+4−5=23)
48.4%
15.5 / 32
16.8%
+3
= 1 = = = 1 = = 0 = 1 0 = = 0 = = = = = = = = = 0 = = 1 = = 0 =
–   Arasan 20.3 64-bit3009+20
−20
(+11)22 − 17
(+12−7=20)
56.4%
22.0 / 39
19.8%
+47
1 = = = = = = 1 = 1 1 = = = = 1 1 0 1 = = 1 = 0 1 1 1 0 1 = = 0 0 0 = = = = 0
–   Vajolet2 2.5 64-bit3001+18
−18
(+3)7.5 − 4.5
(+4−1=7)
62.5%
7.5 / 12
39.6%
+72
= = 1 0 = 1 1 = 1 = = =
–   Defenchess 1.1f 64-bit2997+12
−12
(−1)4.5 − 1.5
(+4−1=1)
75.0%
4.5 / 6
53.7%
+194
1 1 1 0 1 =
–   Nemorino 3.0 64-bit2996+19
−19
(−2)2 − 2
(+2−2=0)
50.0%
2.0 / 4
56.3%
−2
0 1 1 0
–   Deuterium 2019.2.37.73 64-bit2995+22
−22
(−3)13.5 − 6.5
(+9−2=9)
67.5%
13.5 / 20
59.5%
+105
= 1 = 0 = = 1 1 = = 1 1 = = 1 1 0 = 1 1
–   SmarThink 1.97 64-bit2995+16
−16
(−3)25.5 − 18.5
(+14−7=23)
58.0%
25.5 / 44
60.0%
+44
= 1 1 0 = 1 = = 0 = = = = = = 1 1 1 = 1 = 0 1 = 1 = 0 = 0 = 1 = 1 = 1 0 1 0 1 = = = = =
–   Rodent III 0.281 64-bit2992+20
−20
(−6)8 − 6
(+4−2=8)
57.1%
8.0 / 14
69.2%
+34
= = = 0 = = = 1 1 = 1 0 1 =
–   chess22k 1.11 64-bit2989+20
−20
(−9)7.5 − 6.5
(+6−5=3)
53.6%
7.5 / 14
75.0%
+18
0 1 = 1 1 = 1 1 = 0 0 0 1 0
–   ChessBrainVB 3.612988+27
−27
(−10)5 − 5
(+3−3=4)
50.0%
5.0 / 10
74.9%
−5
= 1 0 1 0 = = 0 = 1
–   Demolito 2019-04-27 64-bit2986+19
−19
(−12)6.5 − 7.5
(+2−3=9)
46.4%
6.5 / 14
83.5%
−32
= = = = 0 = = 0 1 = 0 1 = =
–   Rodent III 0.238 64-bit2982+15
−14
(−16)19 − 13
(+11−5=16)
59.4%
19.0 / 32
92.6%
+37
1 = = = 1 = 1 = = 0 = 1 1 1 1 0 0 = 1 = = 1 0 = 1 = = = = = 1 0
–   ChessBrainVB 3.502980+24
−23
(−18)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
89.9%
+77
0 = 1 1
–   Pedone 1.6 64-bit2977+19
−19
(−21)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
95.0%
−88
0 = = =
–   Vajolet2 2.4 64-bit2969+21
−21
(−29)2 − 2
(+1−1=2)
50.0%
2.0 / 4
98.5%
−18
0 = = 1
–   chess22k 1.10 64-bit2956+18
−18
(−42)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
+77
= 1 0 = 1 = 1 1
–   Amoeba 3.0 64-bit2956+17
−17
(−42)13.5 − 6.5
(+9−2=9)
67.5%
13.5 / 20
100.0%
+65
1 = 1 1 = 1 = = 1 0 1 1 1 0 = = 1 = = =
–   Hakkapeliitta 3.0 64-bit2954+12
−11
(−44)21 − 19
(+13−11=16)
52.5%
21.0 / 40
100.0%
−26
1 = 0 0 1 1 = = 1 1 1 = 0 = 1 = 0 0 1 0 0 = = = 1 0 = = 1 0 = = 0 = 1 1 = 1 = 0
–   chess22k 1.9 64-bit2951+22
−22
(−47)6.5 − 5.5
(+2−1=9)
54.2%
6.5 / 12
100.0%
−24
= = 0 = = 1 = 1 = = = =
–   Pirarucu 2.7.4 64-bit2950+17
−17
(−48)10 − 10
(+5−5=10)
50.0%
10.0 / 20
100.0%
−50
0 = = 1 = 0 = 0 = = = = 1 1 = = 1 0 0 1
–   Wasp 2.6 64-bit2947+13
−13
(−51)25 − 18
(+12−5=26)
58.1%
25.0 / 43
100.0%
−6
= 0 = 1 1 1 1 1 1 = = 0 = = 1 = = = = = = = = = = = 1 = 1 = 1 1 = = = = = 1 0 0 0 = =
–   Rodent III 0.210 64-bit2937+19
−19
(−61)25.5 − 18.5
(+15−8=21)
58.0%
25.5 / 44
100.0%
−14
1 = 1 0 0 = 0 = = = 1 = = 1 0 1 0 1 0 1 = = = 1 = 1 = 1 0 = = = = = 0 = 1 1 1 = = = 1 1
–   Marvin 3.4.0 64-bit2936+21
−21
(−62)9.5 − 2.5
(+7−0=5)
79.2%
9.5 / 12
100.0%
+128
= 1 1 1 = 1 1 = = 1 = 1
–   Crafty 25.2 64-bit2931+11
−11
(−67)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−67
= = = =
–   Godel 6.0 64-bit2929+22
−22
(−69)8 − 6
(+4−2=8)
57.1%
8.0 / 14
100.0%
−23
= 1 = 1 = 1 = 1 = = = = 0 0
–   Wasp 2.01 64-bit2926+19
−20
(−72)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−102
=
–   Dirty CUCUMBER 64-bit2916+14
−14
(−82)6 − 6
(+2−2=8)
50.0%
6.0 / 12
100.0%
−82
= = 1 0 = = 0 = = = = 1
–   Demolito 2018-03-01 64-bit2910+17
−17
(−88)11 − 7
(+6−2=10)
61.1%
11.0 / 18
100.0%
−24
0 1 = 1 = = = = 1 = 1 0 = 1 = = 1 =
–   Atlas 3.91 64-bit2902+14
−14
(−96)8 − 4
(+4−0=8)
66.7%
8.0 / 12
100.0%
−6
= 1 = = 1 1 = = = = 1 =
–   chess22k 1.7 64-bit2899+22
−22
(−99)12.5 − 3.5
(+11−2=3)
78.1%
12.5 / 16
100.0%
+118
= 1 0 1 = 1 1 1 0 1 1 1 1 = 1 1
–   Winter 0.5 64-bit2893+17
−17
(−105)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
100.0%
−127
0 1 = = = = 0 = 0 0 = = 1 1
–   Topple 0.7.1 64-bit2889+25
−25
(−109)3 − 5
(+1−3=4)
37.5%
3.0 / 8
100.0%
−182
= = = 0 0 1 0 =
–   Igel 1.9.0 64-bit2879+28
−27
(−119)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
100.0%
−94
= = = 1 1 = = = 0 =
–   Pirarucu 2.3.8 64-bit2851+22
−22
(−147)4 − 4
(+1−1=6)
50.0%
4.0 / 8
100.0%
−151
= = 1 = = = 0 =
–   Marvin 3.2.0 64-bit2837+16
−16
(−161)11 − 5
(+9−3=4)
68.8%
11.0 / 16
100.0%
−28
1 = 0 1 0 1 1 1 = = = 1 1 1 0 1
–   Fruit Reloaded 3.2.1 64-bit2836+12
−12
(−162)7 − 3
(+4−0=6)
70.0%
7.0 / 10
100.0%
−53
= = 1 = 1 = 1 1 = =
–   Zurichess Neuchatel 64-bit2824+14
−14
(−174)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+116
1 = 1 1
–   Igel 1.8.3 64-bit2824+28
−28
(−174)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+152
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