CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 6 64-bit (3223+15
−15
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Komodo 9.2 64-bit3257+20
−20
(+34)24 − 26
(+4−6=40)
48.0%
24.0 / 50
0.3%
+22
–   Komodo 9.3 64-bit3252+19
−19
(+29)25 − 25
(+7−7=36)
50.0%
25.0 / 50
0.8%
+30
–   Komodo 9 64-bit3234+20
−20
(+11)41 − 33
(+20−12=42)
55.4%
41.0 / 74
19.6%
+39
–   Komodo 9.1 64-bit3228+21
−20
(+5)44 − 44
(+12−12=64)
50.0%
44.0 / 88
35.8%
+4
–   Komodo 8 64-bit3203+16
−16
(−20)22.5 − 16.5
(+10−4=25)
57.7%
22.5 / 39
96.8%
+21
–   Houdini 4 64-bit3166+10
−10
(−57)44.5 − 18.5
(+30−4=29)
70.6%
44.5 / 63
100.0%
+72
–   Fire 4 64-bit3144+10
−11
(−79)56 − 37
(+24−5=64)
60.2%
56.0 / 93
100.0%
−23
–   Komodo 6 64-bit3141+15
−15
(−82)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+46
–   Gull 3 64-bit3118+7
−7
(−105)40 − 21
(+25−6=30)
65.6%
40.0 / 61
100.0%
−13
–   Houdini 1.5a 64-bit3108+10
−10
(−115)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
+56
–   Strelka 5.5 64-bit3102+6
−6
(−121)24.5 − 13.5
(+14−3=21)
64.5%
24.5 / 38
100.0%
−39
–   Critter 1.6a 64-bit3099+7
−7
(−124)24.5 − 13.5
(+13−2=23)
64.5%
24.5 / 38
100.0%
−41
–   Equinox 3.20 64-bit3094+9
−9
(−129)34 − 16
(+19−1=30)
68.0%
34.0 / 50
100.0%
−26
–   Fritz 15 64-bit3092+9
−9
(−131)22 − 10
(+13−1=18)
68.8%
22.0 / 32
100.0%
−22
–   Equinox 3.30 64-bit3084+13
−13
(−139)41 − 20
(+23−2=36)
67.2%
41.0 / 61
100.0%
−40
–   Rybka 4.1 64-bit3076+8
−8
(−147)23.5 − 8.5
(+16−1=15)
73.4%
23.5 / 32
100.0%
0
–   Rybka 4 64-bit3075+11
−11
(−148)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
0
–   Bouquet 1.8 64-bit3073+9
−9
(−150)37.5 − 12.5
(+25−0=25)
75.0%
37.5 / 50
100.0%
+1
–   Sting SF 4.8.4 64-bit3062+27
−27
(−161)15.5 − 4.5
(+11−0=9)
77.5%
15.5 / 20
100.0%
+11
–   NirvanaChess 2.2 64-bit3062+14
−14
(−161)11.5 − 4.5
(+7−0=9)
71.9%
11.5 / 16
100.0%
−36
–   Protector 1.9.0 64-bit3057+9
−9
(−166)4.5 − 1.5
(+3−0=3)
75.0%
4.5 / 6
100.0%
−18
–   Alfil 15.7 64-bit3056+13
−13
(−167)30.5 − 5.5
(+25−0=11)
84.7%
30.5 / 36
100.0%
+83
–   BlackMamba 2.0 64-bit3055+10
−10
(−168)42 − 12
(+31−1=22)
77.8%
42.0 / 54
100.0%
+11
–   Elektro 1.2 64-bit3039+17
−17
(−184)36 − 10
(+27−1=18)
78.3%
36.0 / 46
100.0%
+1
–   Sting SF 5 64-bit3038+17
−17
(−185)28 − 10
(+19−1=18)
73.7%
28.0 / 38
100.0%
−40
–   Hannibal 1.5 64-bit3038+13
−13
(−185)42 − 12
(+31−1=22)
77.8%
42.0 / 54
100.0%
−5
–   Andscacs 0.84 64-bit3037+25
−25
(−186)14.5 − 5.5
(+10−1=9)
72.5%
14.5 / 20
100.0%
−46
–   Protector 1.8.0 64-bit3037+17
−17
(−186)42 − 16
(+27−1=30)
72.4%
42.0 / 58
100.0%
−52
–   NirvanaChess 2.1c 64-bit3021+23
−23
(−202)8 − 4
(+4−0=8)
66.7%
8.0 / 12
100.0%
−110
–   Deep Fritz 14 64-bit 1CPU3017+11
−11
(−206)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
+4
–   Chiron 2 64-bit3014+13
−13
(−209)25 − 7
(+18−0=14)
78.1%
25.0 / 32
100.0%
−28
–   Naum 4.6 64-bit3009+12
−12
(−214)37 − 11
(+27−1=20)
77.1%
37.0 / 48
100.0%
−41
–   Texel 1.05 64-bit3008+15
−15
(−215)38.5 − 5.5
(+33−0=11)
87.5%
38.5 / 44
100.0%
+72
–   Protector 1.7.0 64-bit3008+18
−18
(−215)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+68
–   Andscacs 0.82 64-bit3007+24
−24
(−216)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−92
–   NirvanaChess 2.0a 64-bit2983+23
−23
(−240)28 − 4
(+24−0=8)
87.5%
28.0 / 32
100.0%
+47
–   Alfil 15.8 64-bit2962+17
−17
(−261)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−103
–   Andscacs 0.80 64-bit2960+25
−25
(−263)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Fizbo 1.5 64-bit2956+21
−21
(−267)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−109
–   Hakkapeliitta 3.0 64-bit2953+12
−12
(−270)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on May 15, 2021