CCRL 40/15
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 1'178'235 games
played by 2'711 programs

White wins: 406'134 (34.5%)
Black wins: 300'016 (25.5%)
Draws: 472'085 (40.1%)
White score: 54.5%

Engine Details

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Strelka 5.5 32-bit (3087+15
−15
)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-bit3364+12
−12
(+277)6 − 46
(+0−40=12)
11.5%
6.0 / 52
0.0%
−27
–   RubiChess 1.6 64-bit3158+21
−21
(+71)6 − 14
(+1−9=10)
30.0%
6.0 / 20
0.0%
−49
–   Defenchess 2.1 64-bit3149+22
−22
(+62)10 − 10
(+4−4=12)
50.0%
10.0 / 20
0.0%
+63
–   Arasan 22.0 64-bit3141+18
−18
(+54)5.5 − 10.5
(+0−5=11)
34.4%
5.5 / 16
0.0%
−31
–   Houdini 3 32-bit3135+20
−20
(+48)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
−21
–   Roc 1.3 64-bit3116+23
−23
(+29)12.5 − 13.5
(+4−5=17)
48.1%
12.5 / 26
2.0%
+18
–   RubiChess 1.5 64-bit3110+20
−20
(+23)10.5 − 9.5
(+4−3=13)
52.5%
10.5 / 20
3.1%
+33
–   Schooner 2.0.34 64-bit3109+12
−12
(+22)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
1.1%
−19
–   Pedone 2.0 64-bit3108+17
−17
(+21)9 − 7
(+4−2=10)
56.3%
9.0 / 16
3.5%
+52
–   SlowChess Blitz Classic 1.9 64-bit3105+23
−23
(+18)6 − 10
(+2−6=8)
37.5%
6.0 / 16
10.2%
−56
–   Houdini 2.0c 32-bit3102+13
−13
(+15)15.5 − 14.5
(+7−6=17)
51.7%
15.5 / 30
6.6%
+23
–   Vajolet2 2.8 64-bit3099+16
−17
(+12)9 − 11
(+4−6=10)
45.0%
9.0 / 20
14.4%
−15
–   Houdini 1.5a 32-bit3090+13
−13
(+3)14.5 − 15.5
(+4−5=21)
48.3%
14.5 / 30
39.2%
−5
–   Arasan 21.1 64-bit3081+19
−19
(−6)10 − 10
(+3−3=14)
50.0%
10.0 / 20
68.0%
−4
–   Laser 1.5 64-bit3072+15
−14
(−15)9 − 11
(+2−4=14)
45.0%
9.0 / 20
92.6%
−40
–   Critter 1.4 32-bit3072+14
−14
(−15)15 − 15
(+5−5=20)
50.0%
15.0 / 30
93.3%
−16
–   Critter 1.6 32-bit3067+19
−19
(−20)18 − 14
(+5−1=26)
56.3%
18.0 / 32
95.3%
+10
–   Critter 1.6a 32-bit3067+16
−16
(−20)18.5 − 13.5
(+6−1=25)
57.8%
18.5 / 32
96.5%
+18
–   Stockfish 2.2.2 32-bit3050+14
−14
(−37)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
+38
–   Komodo 5 32-bit3046+16
−16
(−41)19 − 13
(+11−5=16)
59.4%
19.0 / 32
100.0%
+14
–   Stockfish 2.3.1 32-bit3039+17
−17
(−48)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
+44
–   Komodo 4 32-bit3032+16
−16
(−55)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
+1
–   Rybka 4.1 32-bit3030+12
−12
(−57)14.5 − 15.5
(+5−6=19)
48.3%
14.5 / 30
100.0%
−67
–   Vitruvius 1.11C 32-bit3030+15
−14
(−57)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
+53
–   IvanHoe 9.46h 32-bit3023+14
−13
(−64)20.5 − 9.5
(+12−1=17)
68.3%
20.5 / 30
100.0%
+43
–   Komodo 3 32-bit3022+14
−14
(−65)17 − 13
(+9−5=16)
56.7%
17.0 / 30
100.0%
−26
–   DeepSaros 2.3j 32-bit3020+15
−15
(−67)17 − 13
(+6−2=22)
56.7%
17.0 / 30
100.0%
−34
–   Bouquet 1.6 32-bit3016+18
−18
(−71)20 − 10
(+11−1=18)
66.7%
20.0 / 30
100.0%
+20
–   RobboLito 0.21Q 32-bit3013+18
−18
(−74)19 − 11
(+11−3=16)
63.3%
19.0 / 30
100.0%
+2
–   Bouquet 1.5 32-bit3010+18
−17
(−77)21 − 11
(+14−4=14)
65.6%
21.0 / 32
100.0%
+20
–   Sting SF 2 32-bit3002+17
−17
(−85)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
100.0%
0
–   DeepSaros 3.0 32-bit2998+18
−18
(−89)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−47
–   Gull II b2 32-bit2982+17
−18
(−105)26.5 − 7.5
(+22−3=9)
77.9%
26.5 / 34
100.0%
+98
–   Gull II 32-bit2978+18
−18
(−109)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
+13
–   Hiarcs 142961+10
−10
(−126)24 − 8
(+17−1=14)
75.0%
24.0 / 32
100.0%
+32
–   Fritz 132960+11
−11
(−127)22 − 10
(+12−0=20)
68.8%
22.0 / 32
100.0%
−22
–   Naum 4.2 32-bit2958+10
−10
(−129)19.5 − 10.5
(+10−1=19)
65.0%
19.5 / 30
100.0%
−47
–   Deep Sjeng c't 20102941+10
−10
(−146)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−29
–   Chiron 1.5 32-bit2940+16
−15
(−147)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
−21
–   Chiron 1.1a 32-bit2931+14
−15
(−156)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−14
–   Hannibal 1.3 32-bit2929+17
−17
(−158)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
−7
–   Shredder 12 32-bit2929+8
−7
(−158)45.5 − 14.5
(+37−6=17)
75.8%
45.5 / 60
100.0%
+26
–   Spike 1.4 Leiden2914+8
−8
(−173)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+64
–   Rybka 2.3.2a 32-bit2912+9
−9
(−175)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+15
–   Deep Junior 13.3 32-bit2909+14
−15
(−178)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
−84
–   Hannibal 1.2 32-bit2906+14
−14
(−181)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+3
–   Gull 1.0a 32-bit2885+12
−12
(−202)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+72
–   Quazar 0.4 32-bit2879+12
−12
(−208)22.5 − 7.5
(+20−5=5)
75.0%
22.5 / 30
100.0%
−14
–   Protector 1.4.0 32-bit2878+11
−11
(−209)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−94
–   Gull 1.2 32-bit2877+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 September 19, 2020