CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Engine Details

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Strelka 5.5 32-bit (3086+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-bit3363+12
−12
(+277)6 − 46
(+0−40=12)
11.5%
6.0 / 52
0.0%
−27
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 0 =
–   RubiChess 1.6 64-bit3159+19
−19
(+73)6 − 14
(+1−9=10)
30.0%
6.0 / 20
0.0%
−47
= = 0 0 0 0 0 = 0 = = 0 = = 0 = = = 0 1
–   Defenchess 2.1 64-bit3148+22
−22
(+62)10 − 10
(+4−4=12)
50.0%
10.0 / 20
0.0%
+63
= = = = = 1 = 1 0 0 = 0 = = = = 1 1 0 =
–   Arasan 22.0 64-bit3140+18
−18
(+54)5.5 − 10.5
(+0−5=11)
34.4%
5.5 / 16
0.0%
−31
0 = 0 = 0 = = = 0 = = = = 0 = =
–   Houdini 3 32-bit3134+20
−20
(+48)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
−21
1 = = 1 = 0 0 = = 1 0 1 0 0 0 = 0 0 0 = 0 0 0 1 = = = = = = 0 1
–   Winter 0.9 64-bit3126+18
−18
(+40)8 − 14
(+3−9=10)
36.4%
8.0 / 22
0.0%
−45
0 0 0 = 0 = = 0 1 = = 0 = 0 0 = 0 = 1 1 = =
–   Roc 1.3 64-bit3115+23
−23
(+29)12.5 − 13.5
(+4−5=17)
48.1%
12.5 / 26
1.7%
+18
0 1 0 = = = = = = = 0 = = 1 0 1 = = = = = = 0 = = 1
–   RubiChess 1.5 64-bit3109+20
−20
(+23)10.5 − 9.5
(+4−3=13)
52.5%
10.5 / 20
2.9%
+33
= = 0 = 0 = = = = 1 1 = = = = = 1 = 0 1
–   Schooner 2.0.34 64-bit3108+12
−12
(+22)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
1.0%
−19
1 = = 1 = 0 = = = = = = 0 0 0 1 = 0 0 =
–   Pedone 2.0 64-bit3107+17
−17
(+21)9 − 7
(+4−2=10)
56.3%
9.0 / 16
3.2%
+52
= = = = 0 1 = = = 1 1 = 0 = 1 =
–   SlowChess Blitz Classic 1.9 64-bit3104+23
−23
(+18)6 − 10
(+2−6=8)
37.5%
6.0 / 16
9.6%
−56
0 0 = 0 = 0 = = 0 0 1 = 1 = = =
–   Houdini 2.0c 32-bit3102+13
−13
(+16)15.5 − 14.5
(+7−6=17)
51.7%
15.5 / 30
5.5%
+24
= 0 1 = = 0 = = = 0 1 0 0 = = = = = 1 1 = = = = 1 1 = = 1 0
–   Vajolet2 2.8 64-bit3100+15
−15
(+14)9 − 11
(+4−6=10)
45.0%
9.0 / 20
9.8%
−13
= 0 = 0 1 = = 0 = = = = 0 = 1 0 0 1 = 1
–   Houdini 1.5a 32-bit3088+12
−12
(+2)14.5 − 15.5
(+4−5=21)
48.3%
14.5 / 30
41.0%
−6
0 = = = = 0 = = 0 = = = 0 = = = = = 1 = = 0 = 1 = = = 1 1 =
–   Arasan 21.1 64-bit3080+19
−20
(−6)10 − 10
(+3−3=14)
50.0%
10.0 / 20
67.5%
−4
= 0 = 1 0 1 = = = = = = = 1 = = 0 = = =
–   Critter 1.4 32-bit3071+13
−13
(−15)15 − 15
(+5−5=20)
50.0%
15.0 / 30
93.6%
−16
= = 1 = = = = = = = 0 0 0 = = 0 = 0 = = = = 1 1 = = = 1 = 1
–   Laser 1.5 64-bit3071+15
−14
(−15)9 − 11
(+2−4=14)
45.0%
9.0 / 20
92.2%
−40
= 0 = = = = = 1 = = 0 = 0 = = = 0 1 = =
–   Critter 1.6 32-bit3067+19
−19
(−19)18 − 14
(+5−1=26)
56.3%
18.0 / 32
94.8%
+11
= = = 0 1 = = = 1 = = = = 1 1 = = = = = = = = = = = = = = = = 1
–   Critter 1.6a 32-bit3067+16
−16
(−19)18.5 − 13.5
(+6−1=25)
57.8%
18.5 / 32
96.1%
+19
= 1 0 = = 1 1 = = = = = = 1 1 = = = = = = = 1 = = = = = = = = =
–   Stockfish 2.2.2 32-bit3049+14
−14
(−37)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
+38
0 1 = 1 1 0 = 0 0 = 1 = 1 = 1 0 = 0 = 1 = 1 1 1 1 = = = 1 1
–   Komodo 5 32-bit3046+16
−16
(−40)19 − 13
(+11−5=16)
59.4%
19.0 / 32
100.0%
+15
0 = = = = = = = = 1 1 0 0 0 = = 1 = 1 = = = 1 1 1 1 = 1 = 1 1 0
–   Stockfish 2.3.1 32-bit3039+17
−17
(−47)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
+45
1 = 1 = = = = = 0 1 = = 1 1 1 = = = = 1 = 1 0 1 0 1 1 = = 1 = 1
–   Komodo 4 32-bit3032+16
−16
(−54)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
+2
1 = 1 = 1 = = = = = 1 = = = 0 1 1 = = 0 = = = 1 = 1 = 0 1 =
–   Rybka 4.1 32-bit3030+12
−12
(−56)14.5 − 15.5
(+5−6=19)
48.3%
14.5 / 30
100.0%
−66
= = = = = = 1 0 = 1 0 0 = = 1 1 = 0 = = = = = = = = 1 0 = 0
–   Vitruvius 1.11C 32-bit3029+15
−14
(−57)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
+53
= = = = 1 = 1 1 = = = = 1 = = = 1 0 = = 1 1 1 1 1 1 1 = 0 1
–   Komodo 3 32-bit3022+14
−14
(−64)17 − 13
(+9−5=16)
56.7%
17.0 / 30
100.0%
−25
= 1 1 = = 1 0 0 1 1 = = = = 0 1 = = 1 = = 0 = = 0 1 = = 1 =
–   IvanHoe 9.46h 32-bit3022+14
−13
(−64)20.5 − 9.5
(+12−1=17)
68.3%
20.5 / 30
100.0%
+43
0 = 1 = = = = = = = = = 1 = 1 = = = 1 1 1 1 = 1 1 1 1 = 1 =
–   DeepSaros 2.3j 32-bit3020+15
−15
(−66)17 − 13
(+6−2=22)
56.7%
17.0 / 30
100.0%
−33
= = = = = 1 = 1 = = 1 1 = = = = 1 = 1 0 = 0 = = = = = = = =
–   Bouquet 1.6 32-bit3016+18
−18
(−70)20 − 10
(+11−1=18)
66.7%
20.0 / 30
100.0%
+21
1 = = = 1 1 1 = = 1 1 = 1 = = = 1 = = = = = = 0 1 = = 1 1 =
–   RobboLito 0.21Q 32-bit3012+18
−18
(−74)19 − 11
(+11−3=16)
63.3%
19.0 / 30
100.0%
+2
= 1 1 0 1 1 1 = = = 0 1 = = 1 = 0 1 = = = = = = 1 = = 1 1 =
–   Bouquet 1.5 32-bit3010+17
−18
(−76)21 − 11
(+14−4=14)
65.6%
21.0 / 32
100.0%
+21
= 1 1 1 1 1 = 1 0 = = = 1 = = = 0 1 = 1 1 = = 1 = 0 0 1 = = 1 1
–   Sting SF 2 32-bit3002+17
−17
(−84)20.5 − 11.5
(+13−4=15)
64.1%
20.5 / 32
100.0%
0
1 = = 1 = 1 = = 1 = 1 1 1 0 1 = 1 1 = 0 = = = 1 0 1 1 = = = 0 =
–   DeepSaros 3.0 32-bit2998+17
−18
(−88)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−46
= 1 1 = = = 1 = = 1 0 1 = = = = 1 0 = = = = 1 = = = = = = = = =
–   Gull II b2 32-bit2981+17
−18
(−105)26.5 − 7.5
(+22−3=9)
77.9%
26.5 / 34
100.0%
+98
0 = = 1 1 1 1 1 = 1 1 = = 1 1 1 = 1 1 1 = 1 1 0 1 1 0 1 1 1 1 1 = =
–   Gull II 32-bit2977+18
−18
(−109)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
+13
= 1 1 1 = = = 1 1 1 1 = 1 = = 1 1 = 1 1 0 = 0 = = = = = = 1 1 1
–   Hiarcs 142960+10
−10
(−126)24 − 8
(+17−1=14)
75.0%
24.0 / 32
100.0%
+32
= 1 = 1 1 = = 1 = 1 0 1 1 1 1 1 = 1 1 1 = 1 = 1 = = 1 = 1 = = =
–   Fritz 132959+11
−11
(−127)22 − 10
(+12−0=20)
68.8%
22.0 / 32
100.0%
−22
= = 1 = 1 = 1 = 1 = = 1 = = = = = = 1 = 1 1 = = = 1 = 1 = = 1 1
–   Naum 4.2 32-bit2958+10
−10
(−128)19.5 − 10.5
(+10−1=19)
65.0%
19.5 / 30
100.0%
−46
1 = 1 = = 1 = 0 1 = 1 1 = = = = = 1 = = 1 1 = = = 1 = = = =
–   Deep Sjeng c't 20102940+10
−10
(−146)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−29
= 1 1 = 0 = 1 0 0 = = = = = 1 1 1 1 1 1 1 1 1 = = = = = 1 1
–   Chiron 1.5 32-bit2939+15
−15
(−147)22.5 − 9.5
(+15−2=15)
70.3%
22.5 / 32
100.0%
−21
= 1 = = = 1 = 1 0 1 = 1 = 1 0 = 1 1 1 = 1 = 1 1 = = = = 1 1 = 1
–   Chiron 1.1a 32-bit2931+15
−15
(−155)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−13
= = 1 = = = = = = = 1 1 1 0 1 1 1 1 = 1 = 1 = 1 1 = = 1 1 1
–   Hannibal 1.3 32-bit2929+17
−17
(−157)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
−6
1 = 0 1 1 1 = 1 1 1 1 = = = 1 = = 1 1 = = 1 = 1 = 0 1 = 1 1
–   Shredder 12 32-bit2929+8
−7
(−157)45.5 − 14.5
(+37−6=17)
75.8%
45.5 / 60
100.0%
+27
1 1 0 = 1 1 1 1 1 = 0 1 1 1 1 1 1 = 1 1 1 = = 1 = = 1 1 = 0 = = = = 1 1 1 = 0 1 1 = 1 1 1 0 1 1 = 1 1 1 = 1 1 = 1 0 1 1
–   Spike 1.4 Leiden2914+8
−8
(−172)24.5 − 5.5
(+21−2=7)
81.7%
24.5 / 30
100.0%
+65
1 1 1 1 1 1 1 1 1 0 = 0 = 1 1 = = = 1 1 = 1 1 1 1 = 1 1 1 1
–   Rybka 2.3.2a 32-bit2912+9
−9
(−174)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+16
= = 1 = = = 1 0 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 = = 1 = = 1
–   Deep Junior 13.3 32-bit2908+15
−14
(−178)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
−84
= 1 1 = = 1 = 1 = = 1 = = 1 1 0 1 1 0 1 = 1 = = = = = 1 1 = 0 =
–   Hannibal 1.2 32-bit2905+14
−14
(−181)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+3
= 1 1 1 0 = 1 1 = 1 = 1 0 = = 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1
–   Gull 1.0a 32-bit2885+12
−12
(−201)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+73
1 1 1 1 1 = = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = = 1 1 = 1 = = 1
–   Quazar 0.4 32-bit2879+12
−12
(−207)22.5 − 7.5
(+20−5=5)
75.0%
22.5 / 30
100.0%
−13
= 1 = 1 = 1 1 1 1 1 0 0 1 1 1 0 1 1 1 1 0 = = 1 1 1 1 0 1 1
–   Protector 1.4.0 32-bit2878+11
−11
(−208)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−93
1 = = 1 = = 1 1 = 0 1 1 = 1 = 1 1 1 1 = 1 = = = 0 = 1 0 1 =
–   Gull 1.2 32-bit2876+12
−12
(−210)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+25
1 = 1 1 1 1 1 = 1 1 1 1 1 = = = 1 = 1 = 1 1 1 1 1 = 1 = 1 =

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Created in 2005-2013 by CCRL team
Last games added on March 6, 2021