CCRL Blitz
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 2'474'284 games
played by 2'947 programs

White wins: 951'541 (38.5%)
Black wins: 762'369 (30.8%)
Draws: 760'374 (30.7%)
White score: 53.8%

Engine Details

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Show each game results
Strelka 5.5 64-bit (3140+8
−8		)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
–   Stockfish+NNUE 150720 64-bit3583+21
−20		(+443)5.5 − 93.5
(+0−88=11)
5.6%
5.5 / 99
0.0%
+10
–   Stockfish 9 64-bit 4CPU3545+12
−12		(+405)3 − 79
(+0−76=6)
3.7%
3.0 / 82
0.0%
−99
–   SugaR XPrO 1.4 64-bit 4CPU3534+24
−23		(+394)3 − 37
(+0−34=6)
7.5%
3.0 / 40
0.0%
+13
–   SugaR XPrO 1.2 64-bit 4CPU3528+16
−16		(+388)2 − 48
(+0−46=4)
4.0%
2.0 / 50
0.0%
−100
–   asmFish 191017 64-bit 4CPU3525+17
−17		(+385)1 − 49
(+0−48=2)
2.0%
1.0 / 50
0.0%
−217
–   Houdini 6 64-bit 4CPU3518+7
−7		(+378)9 − 143
(+2−136=14)
5.9%
9.0 / 152
0.0%
−62
–   Komodo 11.2 64-bit 4CPU3502+16
−16		(+362)2 − 48
(+0−46=4)
4.0%
2.0 / 50
0.0%
−126
–   SugaR XPrO 1.3 64-bit 4CPU3500+24
−24		(+360)4 − 46
(+0−42=8)
8.0%
4.0 / 50
0.0%
−7
–   Stockfish 8 64-bit 4CPU3493+12
−11		(+353)17 − 177
(+0−160=34)
8.8%
17.0 / 194
0.0%
0
–   Stockfish 9 64-bit3481+9
−9		(+341)7.5 − 92.5
(+1−86=13)
7.5%
7.5 / 100
0.0%
−50
–   Houdini 5.01 64-bit 4CPU3475+16
−16		(+335)16 − 132
(+1−117=30)
10.8%
16.0 / 148
0.0%
+14
–   Komodo 10.4 64-bit 4CPU3472+18
−18		(+332)5 − 55
(+0−50=10)
8.3%
5.0 / 60
0.0%
−29
–   SugaR XPrO 1.4 64-bit3471+21
−20		(+331)6.5 − 43.5
(+2−39=9)
13.0%
6.5 / 50
0.0%
+27
–   Komodo 11.01 64-bit 4CPU3467+19
−19		(+327)7.5 − 52.5
(+0−45=15)
12.5%
7.5 / 60
0.0%
+38
–   Komodo 10.3 64-bit 4CPU3459+17
−17		(+319)10.5 − 91.5
(+0−81=21)
10.3%
10.5 / 102
0.0%
−5
–   Stockfish 160716 64-bit 4CPU3454+13
−13		(+314)12 − 92
(+0−80=24)
11.5%
12.0 / 104
0.0%
+10
–   Stockfish 200516 64-bit 4CPU3441+18
−18		(+301)9.5 − 64.5
(+1−56=17)
12.8%
9.5 / 74
0.0%
+9
–   Komodo 10.2 64-bit 4CPU3434+18
−18		(+294)6 − 46
(+0−40=12)
11.5%
6.0 / 52
0.0%
−7
–   Komodo 10 64-bit 4CPU3429+15
−14		(+289)12 − 70
(+1−59=22)
14.6%
12.0 / 82
0.0%
+24
–   Stockfish 8 64-bit3421+8
−8		(+281)16 − 92
(+2−78=28)
14.8%
16.0 / 108
0.0%
+15
–   Stockfish 251115 64-bit 4CPU3420+17
−17		(+280)11 − 63
(+1−53=20)
14.9%
11.0 / 74
0.0%
+17
–   Komodo 9.2 64-bit 4CPU3411+19
−19		(+271)10.5 − 71.5
(+1−62=19)
12.8%
10.5 / 82
0.0%
−19
–   Komodo 9.3 64-bit 4CPU3405+19
−18		(+265)12 − 69
(+3−60=18)
14.8%
12.0 / 81
0.0%
−7
–   Komodo 9.42 64-bit 4CPU3402+17
−17		(+262)15.5 − 88.5
(+2−75=27)
14.9%
15.5 / 104
0.0%
−2
–   Stockfish 6 64-bit 4CPU3393+15
−15		(+253)14.5 − 85.5
(+0−71=29)
14.5%
14.5 / 100
0.0%
−6
–   Ethereal 11.00 64-bit 4CPU3382+17
−17		(+242)4 − 32
(+0−28=8)
11.1%
4.0 / 36
0.0%
−66
–   Komodo 9 64-bit 4CPU3381+16
−16		(+241)22.5 − 107.5
(+3−88=39)
17.3%
22.5 / 130
0.0%
+7
–   Komodo 9.1 64-bit 4CPU3381+18
−17		(+241)17.5 − 82.5
(+1−66=33)
17.5%
17.5 / 100
0.0%
+13
–   Stockfish 5 64-bit 4CPU3366+16
−16		(+226)11 − 51
(+0−40=22)
17.7%
11.0 / 62
0.0%
+6
–   Komodo 8 64-bit 4CPU3352+16
−16		(+212)19 − 81
(+1−63=36)
19.0%
19.0 / 100
0.0%
0
–   Fizbo 2 64-bit 4CPU3343+9
−9		(+203)10.5 − 25.5
(+3−18=15)
29.2%
10.5 / 36
0.0%
+69
–   Fire 5 64-bit 4CPU3334+15
−15		(+194)8 − 54
(+2−48=12)
12.9%
8.0 / 62
0.0%
−106
–   Fire 7.1 64-bit3334+8
−8		(+194)8 − 32
(+1−25=14)
20.0%
8.0 / 40
0.0%
−10
–   Houdini 4 64-bit 4CPU3331+9
−9		(+191)14 − 80
(+2−68=24)
14.9%
14.0 / 94
0.0%
−74
–   Andscacs 0.94 64-bit 4CPU3324+19
−19		(+184)8.5 − 27.5
(+4−23=9)
23.6%
8.5 / 36
0.0%
−11
–   Booot 6.3.1 64-bit 4CPU3324+12
−12		(+184)7.5 − 28.5
(+1−22=13)
20.8%
7.5 / 36
0.0%
−13
–   Xiphos 0.4 64-bit 4CPU3323+18
−18		(+183)5 − 31
(+2−28=6)
13.9%
5.0 / 36
0.0%
−114
–   Deep Shredder 13 64-bit 4CPU3322+11
−11		(+182)19.5 − 72.5
(+6−59=27)
21.2%
19.5 / 92
0.0%
−23
–   Houdini 3 64-bit 4CPU3319+14
−14		(+179)18.5 − 85.5
(+3−70=31)
17.8%
18.5 / 104
0.0%
−52
–   Fizbo 1.9 64-bit 4CPU3319+14
−14		(+179)16.5 − 35.5
(+8−27=17)
31.7%
16.5 / 52
0.0%
+56
–   Andscacs 0.921 64-bit 4CPU3301+19
−18		(+161)6.5 − 43.5
(+1−38=11)
13.0%
6.5 / 50
0.0%
−130
–   Andscacs 0.93 64-bit 4CPU3300+17
−17		(+160)9.5 − 20.5
(+3−14=13)
31.7%
9.5 / 30
0.0%
+45
–   Andscacs 0.91 64-bit 4CPU3275+16
−16		(+135)21 − 39
(+4−22=34)
35.0%
21.0 / 60
0.0%
+49
–   Andscacs 0.90 64-bit 4CPU3273+18
−18		(+133)14.5 − 37.5
(+3−26=23)
27.9%
14.5 / 52
0.0%
−5
–   Gull 3 64-bit 4CPU3259+9
−8		(+119)19.5 − 42.5
(+5−28=29)
31.5%
19.5 / 62
0.0%
+5
–   Booot 6.2 64-bit 4CPU3256+13
−13		(+116)22 − 38
(+3−19=38)
36.7%
22.0 / 60
0.0%
+42
–   Fire 4 64-bit 4CPU3256+10
−10		(+116)27.5 − 51.5
(+9−33=37)
34.8%
27.5 / 79
0.0%
+22
–   Equinox 3.30 64-bit 4CPU3251+7
−8		(+111)20 − 42
(+4−26=32)
32.3%
20.0 / 62
0.0%
+4
–   Fizbo 1.8 64-bit 4CPU3246+14
−14		(+106)18 − 34
(+8−24=20)
34.6%
18.0 / 52
0.0%
+6
–   Chiron 4 64-bit 4CPU3243+8
−8		(+103)14.5 − 37.5
(+4−27=21)
27.9%
14.5 / 52
0.0%
−40
–   Komodo 8 64-bit3235+13
−13		(+95)28 − 50
(+11−33=34)
35.9%
28.0 / 78
0.0%
+7
–   Critter 1.6a 64-bit 4CPU3233+7
−7		(+93)35 − 65
(+6−36=58)
35.0%
35.0 / 100
0.0%
+6
–   Hannibal 1.7 64-bit 4CPU3223+9
−9		(+83)18.5 − 33.5
(+7−22=23)
35.6%
18.5 / 52
0.0%
−6
–   Fritz 15 64-bit 4CPU3223+10
−10		(+83)30.5 − 39.5
(+14−23=33)
43.6%
30.5 / 70
0.0%
+44
–   NirvanaChess 2.4 64-bit 4CPU3222+10
−10		(+82)12.5 − 27.5
(+5−20=15)
31.3%
12.5 / 40
0.0%
−44
–   Stockfish 2.3.1 64-bit 4CPU3221+18
−18		(+81)36.5 − 64.5
(+10−38=53)
36.1%
36.5 / 101
0.0%
0
–   Andscacs 0.86 64-bit 4CPU3221+17
−17		(+81)3.5 − 8.5
(+2−7=3)		29.2%
3.5 / 12
0.0%
−67
–   NirvanaChess 2.3 64-bit 4CPU3211+14
−14		(+71)25 − 37
(+12−24=26)
40.3%
25.0 / 62
0.0%
+11
–   Texel 1.07 64-bit 4CPU3193+10
−10		(+53)12.5 − 27.5
(+5−20=15)
31.3%
12.5 / 40
0.0%
−67
–   Fire 4 64-bit3191+10
−10		(+51)26.5 − 24.5
(+17−15=19)
52.0%
26.5 / 51
0.0%
+62
–   Booot 6.1 64-bit 4CPU3187+15
−15		(+47)21 − 19
(+11−9=20)
52.5%
21.0 / 40
0.0%
+62
–   Fizbo 1.7 64-bit 4CPU3183+15
−15		(+43)8 − 12
(+5−9=6)		40.0%
8.0 / 20
0.0%
−22
–   NirvanaChess 2.2 64-bit 4CPU3181+16
−16		(+41)15.5 − 16.5
(+7−8=17)
48.4%
15.5 / 32
0.0%
+32
–   Senpai 2.0 64-bit 4CPU3177+10
−10		(+37)14 − 26
(+7−19=14)
35.0%
14.0 / 40
0.0%
−62
–   Laser 1.5 64-bit 4CPU3170+19
−19		(+30)12 − 18
(+7−13=10)
40.0%
12.0 / 30
0.2%
−37
–   Hannibal 1.5 64-bit 4CPU3169+12
−12		(+29)49 − 51
(+29−31=40)
49.0%
49.0 / 100
0.0%
+23
–   Texel 1.06 64-bit 4CPU3157+15
−14		(+17)24 − 28
(+12−16=24)
46.2%
24.0 / 52
1.8%
−3
–   Sting SF 9 64-bit 4CPU3153+17
−17		(+13)21 − 19
(+11−9=20)
52.5%
21.0 / 40
8.3%
+27
–   Komodo 5 64-bit3145+13
−13		(+5)50.5 − 49.5
(+22−21=57)
50.5%
50.5 / 100
24.4%
+8
–   Arasan 20.4.1 64-bit 4CPU3143+18
−18		(+3)15.5 − 14.5
(+10−9=11)
51.7%
15.5 / 30
36.8%
+16
–   Deep Fritz 14 64-bit 4CPU3143+14
−14		(+3)19.5 − 20.5
(+9−10=21)
48.8%
19.5 / 40
35.1%
−1
–   Texel 1.05 64-bit 4CPU3142+14
−14		(+2)52.5 − 47.5
(+28−23=49)
52.5%
52.5 / 100
38.0%
+14
–   Pedone 1.7 64-bit 4CPU3135+18
−18		(−5)16.5 − 13.5
(+8−5=17)
55.0%
16.5 / 30
68.2%
+22
–   Protector 1.9.0 64-bit 4CPU3130+9
−9		(−10)18.5 − 21.5
(+11−14=15)
46.3%
18.5 / 40
95.8%
−34
–   Fizbo 1.7 64-bit3128+14
−14		(−12)11 − 9
(+7−5=8)		55.0%
11.0 / 20
91.2%
+19
–   Vajolet2 2.5 64-bit 4CPU3124+20
−20		(−16)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
92.5%
+36
–   Defenchess 1.1f 64-bit 4CPU3119+14
−14		(−21)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
99.5%
+31
–   Arasan 20.3 64-bit 4CPU3119+18
−18		(−21)14.5 − 23.5
(+6−15=17)
38.2%
14.5 / 38
97.7%
−89
–   Hiarcs 14 4CPU3108+12
−12		(−32)31.5 − 20.5
(+23−12=17)
60.6%
31.5 / 52
100.0%
+39
–   Naum 4.2 64-bit 4CPU3099+8
−8		(−41)59 − 41
(+35−17=48)
59.0%
59.0 / 100
100.0%
+12
–   Chiron 1.5 64-bit 4CPU3095+20
−21		(−45)31 − 21
(+20−10=22)
59.6%
31.0 / 52
100.0%
+13
–   BlackMamba 2.0 64-bit3091+18
−18		(−49)20 − 10
(+14−4=12)
66.7%
20.0 / 30
100.0%
+59
–   Ethereal 9.00 64-bit 4CPU3088+18
−19		(−52)20 − 12
(+13−5=14)
62.5%
20.0 / 32
100.0%
+24
–   Vajolet2 2.4 64-bit 4CPU3081+17
−17		(−59)24 − 16
(+15−7=18)
60.0%
24.0 / 40
100.0%
+5
–   iCE 3.0 64-bit3081+7
−7		(−59)15 − 11
(+10−6=10)		57.7%
15.0 / 26
100.0%
−6
–   Xiphos 0.1 64-bit 4CPU3075+20
−20		(−65)24.5 − 15.5
(+16−7=17)
61.3%
24.5 / 40
100.0%
+6
–   Deep Fritz 13 4CPU3074+17
−17		(−66)29.5 − 22.5
(+17−10=25)
56.7%
29.5 / 52
100.0%
−29
–   Chiron 1.1a 64-bit 4CPU3064+16
−16		(−76)37.5 − 22.5
(+19−4=37)
62.5%
37.5 / 60
100.0%
−8
–   Rodent III 0.232 64-bit 4CPU3048+19
−19		(−92)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
+23
–   ChessBrainVB 3.723048+19
−19		(−92)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
+29
–   Ethereal 8.81 64-bit 4CPU3030+22
−22		(−110)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
+3
–   Deep Junior 13.3 64-bit 4CPU3026+17
−17		(−114)39 − 13
(+29−3=20)
75.0%
39.0 / 52
100.0%
+50
–   Hakkapeliitta TCEC v2 64-bit3021+8
−8		(−119)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
+38
–   EXchess 7.97b 64-bit 4CPU3018+14
−14		(−122)17 − 13
(+12−8=10)
56.7%
17.0 / 30
100.0%
−76
–   Scorpio 2.8 64-bit 4CPU2995+17
−18		(−145)29 − 11
(+22−4=14)
72.5%
29.0 / 40
100.0%
+6
–   Tucano 7.00 64-bit 4CPU2990+18
−18		(−150)21.5 − 10.5
(+14−3=15)
67.2%
21.5 / 32
100.0%
−46
–   Scorpio 2.7.9 64-bit 4CPU2982+25
−25		(−158)22.5 − 7.5
(+18−3=9)
75.0%
22.5 / 30
100.0%
+15
–   Toga II 4.0 64-bit 4CPU2963+20
−21		(−177)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+14
–   Amoeba 2.8 64-bit2952+13
−13		(−188)37 − 9
(+30−2=14)
80.4%
37.0 / 46
100.0%
+29
–   Ethereal 8.81 64-bit2945+24
−24		(−195)16.5 − 3.5
(+14−1=5)		82.5%
16.5 / 20
100.0%
+45
–   Fruit Reloaded 3.2.1 64-bit 4CPU2927+20
−20		(−213)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
+11
–   DiscoCheck 5.2 64-bit2915+13
−13		(−225)101 − 19
(+85−3=32)
84.2%
101.0 / 120
100.0%
+29
–   Quazar 0.4 64-bit2901+6
−7		(−239)94.5 − 18.5
(+78−2=33)
83.6%
94.5 / 113
100.0%
+4
–   Nemo 1.0.1 64-bit2857+7
−7		(−283)137 − 23
(+119−5=36)
85.6%
137.0 / 160
100.0%
−5
6456 games: 1108 wins, 3262 losses, 2086 draws (32.3%), score: 33.3%

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Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on March 2, 2021