CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 1.8 32-bit (2988+17
−16
)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
–   Pedone 2.0 64-bit3106+17
−17
(+118)7 − 9
(+3−5=8)
43.8%
7.0 / 16
0.0%
+78
–   Igel 2.4.0 64-bit3067+21
−21
(+79)4 − 10
(+0−6=8)
28.6%
4.0 / 14
0.0%
−47
–   ChessBrainVB 3.743065+14
−14
(+77)5.5 − 8.5
(+2−5=7)
39.3%
5.5 / 14
0.0%
+10
–   Igel 2.3.1 64-bit3055+23
−23
(+67)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+63
–   Minic 2.46 64-bit3049+22
−22
(+61)9.5 − 10.5
(+6−7=7)
47.5%
9.5 / 20
0.0%
+43
–   chess22k 1.12 64-bit3047+16
−16
(+59)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−89
–   ChessBrainVB 3.703042+23
−23
(+54)9.5 − 4.5
(+7−2=5)
67.9%
9.5 / 14
0.0%
+172
–   iCE 3.0 64-bit3039+11
−11
(+51)6 − 4
(+2−0=8)
60.0%
6.0 / 10
0.0%
+100
–   Demolito 2019-07-15 64-bit3033+23
−23
(+45)6 − 4
(+3−1=6)
60.0%
6.0 / 10
0.1%
+100
–   Rybka 4 32-bit3016+15
−15
(+28)13.5 − 21.5
(+2−10=23)
38.6%
13.5 / 35
0.4%
−33
–   Pedone 1.7 64-bit3011+17
−17
(+23)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
2.4%
0
–   Ethereal 9.30 64-bit3002+25
−26
(+14)3.5 − 6.5
(+1−4=5)
35.0%
3.5 / 10
16.9%
−76
–   Monolith 2 64-bit3002+16
−16
(+14)6.5 − 7.5
(+2−3=9)
46.4%
6.5 / 14
11.6%
−6
–   Vajolet2 2.5 64-bit2999+18
−18
(+11)7.5 − 4.5
(+4−1=7)
62.5%
7.5 / 12
17.0%
+79
–   Minic 2.33 64-bit2994+27
−27
(+6)5 − 7
(+3−5=4)
41.7%
5.0 / 12
35.7%
−50
–   Pirarucu 3.2.4 64-bit2993+22
−22
(+5)4 − 4
(+2−2=4)
50.0%
4.0 / 8
35.4%
+10
–   chess22k 1.11 64-bit2987+20
−20
(−1)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
50.8%
+21
–   Rodent IV 022 64-bit2987+22
−22
(−1)7 − 7
(+4−4=6)
50.0%
7.0 / 14
50.9%
+2
–   Deuterium 2019.2.37.73 64-bit2978+15
−15
(−10)9 − 11
(+5−7=8)
45.0%
9.0 / 20
79.5%
−41
–   Amoeba 3.3 64-bit2976+27
−27
(−12)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
77.2%
−47
–   Pedone 1.6 64-bit2975+19
−19
(−13)6 − 4
(+3−1=6)
60.0%
6.0 / 10
83.6%
+38
–   Fizbo 1.6 64-bit2962+28
−28
(−26)4 − 6
(+1−3=6)
40.0%
4.0 / 10
94.0%
−81
–   Alfil 15.8 64-bit2962+17
−17
(−26)6 − 4
(+3−1=6)
60.0%
6.0 / 10
98.6%
+25
–   Naum 4.2 32-bit2957+10
−10
(−31)19.5 − 14.5
(+11−6=17)
57.4%
19.5 / 34
99.9%
+12
–   Shredder 12 32-bit2928+7
−7
(−60)40 − 24
(+24−8=32)
62.5%
40.0 / 64
100.0%
+13
–   Critter 0.80 32-bit2923+15
−15
(−65)24 − 18
(+12−6=24)
57.1%
24.0 / 42
100.0%
−23
–   Bobcat 8.0 64-bit2922+13
−13
(−66)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
+63
–   Rybka 2.3.2a 32-bit2911+9
−9
(−77)17.5 − 12.5
(+7−2=21)
58.3%
17.5 / 30
100.0%
−29
–   Komodo 1.2 32-bit2895+14
−14
(−93)24.5 − 13.5
(+12−1=25)
64.5%
24.5 / 38
100.0%
−14
–   Fritz 122885+11
−11
(−103)25 − 9
(+17−1=16)
73.5%
25.0 / 34
100.0%
+43
–   Gull 1.0a 32-bit2885+12
−12
(−103)23.5 − 10.5
(+14−1=19)
69.1%
23.5 / 34
100.0%
+6
–   Critter 0.70 32-bit2876+19
−19
(−112)20.5 − 9.5
(+12−1=17)
68.3%
20.5 / 30
100.0%
−3
–   Hiarcs 13.12873+14
−14
(−115)19 − 11
(+13−5=12)
63.3%
19.0 / 30
100.0%
−30
–   Gull 0.12a 32-bit2869+21
−21
(−119)28 − 11
(+21−4=14)
71.8%
28.0 / 39
100.0%
+22
–   Thinker 5.4d Inert 32-bit2855+10
−10
(−133)26 − 12
(+16−2=20)
68.4%
26.0 / 38
100.0%
−24
–   Gull 0.11a 32-bit2846+21
−21
(−142)24 − 8
(+17−1=14)
75.0%
24.0 / 32
100.0%
+18
–   Deep Junior 11.1a 32-bit2830+17
−17
(−158)19 − 11
(+13−5=12)
63.3%
19.0 / 30
100.0%
−73
–   Protector 1.3.5 32-bit2827+15
−15
(−161)31 − 7
(+24−0=14)
81.6%
31.0 / 38
100.0%
+52
–   Grapefruit 1.0 32-bit2825+9
−9
(−163)23 − 7
(+16−0=14)
76.7%
23.0 / 30
100.0%
+1
–   Deep Sjeng WC2008 32-bit2824+12
−12
(−164)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
−31
–   Booot 5.02823+15
−15
(−165)26 − 8
(+19−1=14)
76.5%
26.0 / 34
100.0%
+2
–   Protector 1.3.4 32-bit2823+15
−15
(−165)21 − 9
(+13−1=16)
70.0%
21.0 / 30
100.0%
−47
–   Cyclone xTreme2822+13
−13
(−166)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+103
–   Spark 0.4 32-bit2820+16
−16
(−168)30 − 8
(+22−0=16)
78.9%
30.0 / 38
100.0%
+19
–   Deep Junior 11.2 32-bit2815+21
−21
(−173)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
−16
–   Hannibal 1.0a 32-bit2799+12
−12
(−189)30.5 − 7.5
(+23−0=15)
80.3%
30.5 / 38
100.0%
+10
–   Bright 0.5c2777+12
−12
(−211)23.5 − 6.5
(+17−0=13)
78.3%
23.5 / 30
100.0%
−30
–   Loop 13.6 (Loop 2007) 32-bit2772+9
−10
(−216)22 − 8
(+14−0=16)
73.3%
22.0 / 30
100.0%
−77
–   MinkoChess 1.0 32-bit2743+32
−32
(−245)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
−95
–   Chronos 1.9.9 32-bit2739+17
−17
(−249)7.5 − 0.5
(+7−0=1)
93.8%
7.5 / 8
100.0%
+163
–   Bison 9.11 32-bit2727+14
−14
(−261)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−261
–   Booot 4.15.12696+30
−30
(−292)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−3
–   Scorpio 2.6 32-bit2692+31
−31
(−296)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
−7

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021