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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Strelka 5.5 32-bit (3085+15
−14
)Quote
Author: Jury Osipov (Russia) Link: Homepage
The standard Strelka 5.5 executable contains a database of best moves for thousands of test positions. We elected to test a modified version of the executable with those positions removed.
This is one of the 5 Strelka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ShashChess 8.0 64-bit3362+12
−12
(+277)6 − 46
(+0−40=12)
11.5%
6.0 / 52
0.0%
−27
–   RubiChess 1.6 64-bit3158+19
−19
(+73)6 − 14
(+1−9=10)
30.0%
6.0 / 20
0.0%
−47
–   Defenchess 2.1 64-bit3147+22
−22
(+62)10 − 10
(+4−4=12)
50.0%
10.0 / 20
0.0%
+63
–   Arasan 22.0 64-bit3139+18
−18
(+54)5.5 − 10.5
(+0−5=11)
34.4%
5.5 / 16
0.0%
−31
–   Houdini 3 32-bit3133+20
−20
(+48)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
−21
–   Winter 0.9 64-bit3126+17
−17
(+41)8 − 14
(+3−9=10)
36.4%
8.0 / 22
0.0%
−44
–   Roc 1.3 64-bit3114+23
−23
(+29)12.5 − 13.5
(+4−5=17)
48.1%
12.5 / 26
1.8%
+18
–   RubiChess 1.5 64-bit3108+20
−20
(+23)10.5 − 9.5
(+4−3=13)
52.5%
10.5 / 20
2.9%
+33
–   Schooner 2.0.34 64-bit3107+12
−12
(+22)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
1.0%
−19
–   Pedone 2.0 64-bit3106+17
−17
(+21)9 − 7
(+4−2=10)
56.3%
9.0 / 16
3.4%
+52
–   SlowChess Blitz Classic 1.9 64-bit3103+23
−23
(+18)6 − 10
(+2−6=8)
37.5%
6.0 / 16
9.9%
−56
–   Houdini 2.0c 32-bit3100+14
−13
(+15)15.5 − 14.5
(+7−6=17)
51.7%
15.5 / 30
5.5%
+23
–   Vajolet2 2.8 64-bit3097+15
−15
(+12)9 − 11
(+4−6=10)
45.0%
9.0 / 20
12.5%
−15
–   Houdini 1.5a 32-bit3087+13
−12
(+2)14.5 − 15.5
(+4−5=21)
48.3%
14.5 / 30
40.7%
−6
–   Arasan 21.1 64-bit3079+19
−19
(−6)10 − 10
(+3−3=14)
50.0%
10.0 / 20
67.6%
−4
–   Laser 1.5 64-bit3070+14
−15
(−15)9 − 11
(+2−4=14)
45.0%
9.0 / 20
92.2%
−40
–   Critter 1.4 32-bit3070+13
−13
(−15)15 − 15
(+5−5=20)
50.0%
15.0 / 30
93.6%
−16
–   Critter 1.6a 32-bit3066+16
−16
(−19)18.5 − 13.5
(+6−1=25)
57.8%
18.5 / 32
96.0%
+19
–   Critter 1.6 32-bit3066+19
−19
(−19)18 − 14
(+5−1=26)
56.3%
18.0 / 32
94.8%
+11
–   Stockfish 2.2.2 32-bit3048+14
−14
(−37)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
+38
–   Komodo 5 32-bit3045+16
−16
(−40)19 − 13
(+11−5=16)
59.4%
19.0 / 32
100.0%
+15
–   Stockfish 2.3.1 32-bit3038+17
−17
(−47)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
+45
–   Komodo 4 32-bit3031+16
−16
(−54)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
+2
–   Rybka 4.1 32-bit3028+12
−12
(−57)14.5 − 15.5
(+5−6=19)
48.3%
14.5 / 30
100.0%
−67
–   Vitruvius 1.11C 32-bit3028+14
−15
(−57)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
+53
–   Komodo 3 32-bit3021+14
−14
(−64)17 − 13
(+9−5=16)
56.7%
17.0 / 30
100.0%
−25
–   IvanHoe 9.46h 32-bit3021+13
−14
(−64)20.5 − 9.5
(+12−1=17)
68.3%
20.5 / 30
100.0%
+43
–   DeepSaros 2.3j 32-bit3019+15
−15
(−66)17 − 13
(+6−2=22)
56.7%
17.0 / 30
100.0%
−33
–   Bouquet 1.6 32-bit3015+18
−18
(−70)20 − 10
(+11−1=18)
66.7%
20.0 / 30
100.0%
+21
–   RobboLito 0.21Q 32-bit3011+18
−18
(−74)19 − 11
(+11−3=16)
63.3%
19.0 / 30
100.0%
+2
–   Bouquet 1.5 32-bit3008+17
−18
(−77)21 − 11
(+14−4=14)
65.6%
21.0 / 32
100.0%
+20
–   Sting SF 2 32-bit3001+17
−17
(−84)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
100.0%
0
–   DeepSaros 3.0 32-bit2997+18
−18
(−88)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−46
–   Gull II b2 32-bit2980+18
−18
(−105)26.5 − 7.5
(+22−3=9)
77.9%
26.5 / 34
100.0%
+98
–   Gull II 32-bit2976+18
−18
(−109)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
+13
–   Hiarcs 142959+10
−10
(−126)24 − 8
(+17−1=14)
75.0%
24.0 / 32
100.0%
+32
–   Fritz 132958+11
−11
(−127)22 − 10
(+12−0=20)
68.8%
22.0 / 32
100.0%
−22
–   Naum 4.2 32-bit2957+10
−10
(−128)19.5 − 10.5
(+10−1=19)
65.0%
19.5 / 30
100.0%
−46
–   Deep Sjeng c't 20102939+10
−10
(−146)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−29
–   Chiron 1.5 32-bit2938+15
−16
(−147)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
−21
–   Chiron 1.1a 32-bit2929+15
−14
(−156)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−14
–   Shredder 12 32-bit2928+7
−7
(−157)45.5 − 14.5
(+37−6=17)
75.8%
45.5 / 60
100.0%
+27
–   Hannibal 1.3 32-bit2928+17
−17
(−157)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
−6
–   Spike 1.4 Leiden2913+8
−8
(−172)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+65
–   Rybka 2.3.2a 32-bit2911+9
−9
(−174)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+16
–   Deep Junior 13.3 32-bit2907+15
−14
(−178)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
−84
–   Hannibal 1.2 32-bit2904+14
−14
(−181)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+3
–   Gull 1.0a 32-bit2885+12
−12
(−200)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+74
–   Quazar 0.4 32-bit2878+12
−12
(−207)22.5 − 7.5
(+20−5=5)
75.0%
22.5 / 30
100.0%
−13
–   Protector 1.4.0 32-bit2877+11
−11
(−208)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−93
–   Gull 1.2 32-bit2875+12
−12
(−210)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+25

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