CCRL Blitz
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 2'472'902 games
played by 2'944 programs

White wins: 950'998 (38.5%)
Black wins: 761'961 (30.8%)
Draws: 759'943 (30.7%)
White score: 53.8%

Engine Details

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Stockfish 1.8 64-bit 4CPU (3138+16
−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 71 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 4 64-bit 4CPU3198+11
−11		(+60)13.5 − 36.5
(+4−27=19)
27.0%
13.5 / 50
0.0%
−89
= = = 0 0 0 = 0 0 0 0 = 0 0 0 1 0 0 = = = 0 0 0 1 0 1 = 0 0 1 = = 0 = = = = 0 0 0 0 = = 0 = 0 0 0 =
–   Rybka 3 64-bit 4CPU3167+9
−10		(+29)24.5 − 25.5
(+9−10=31)
49.0%
24.5 / 50
0.1%
+23
1 0 = 1 = = 0 0 = = 1 = = = = = = = 0 1 0 0 = = = = = = = = 1 = 1 1 1 = = 0 = 1 = = = = 0 0 = = 0 =
–   Stockfish 1.9.1 64-bit 4CPU3153+13
−12		(+15)25 − 25
(+7−7=36)
50.0%
25.0 / 50
5.6%
+13
0 = = = 1 = = = = = 0 1 = = = 0 = = = 0 = = = = 1 = = = 0 1 = = = 1 = = 0 = 1 = 0 = = = = = = = 1 =
–   Stockfish 1.7.1 64-bit 4CPU3141+13
−13		(+3)28 − 22
(+14−8=28)
56.0%
28.0 / 50
37.1%
+39
= = = 1 = = 0 1 = = 0 1 = 0 1 1 = 1 = 1 1 = = 1 = = 0 = = = 1 0 = = = 1 = 1 0 1 = = = 1 = = = = 0 0
–   Rybka 4 64-bit3102+13
−13		(−36)29 − 21
(+18−10=22)
58.0%
29.0 / 50
100.0%
+12
0 1 1 0 1 0 1 1 = 1 1 = 1 = = = = 1 = 0 = 1 1 = = 0 = 0 1 = 1 1 = 0 1 = 1 = 1 0 1 = 0 = = = = = = 0
–   Naum 4.2 64-bit 4CPU3099+8
−8		(−39)29.5 − 20.5
(+21−12=17)
59.0%
29.5 / 50
100.0%
+20
0 = = = 0 0 = = 1 1 0 = = 1 1 = 0 1 0 = = = 1 1 1 0 1 1 1 1 1 1 = 1 = 0 = 1 1 0 = 1 0 = 1 1 = 0 1 0
–   Pedone 1.5 64-bit 4CPU3093+16
−17		(−45)18.5 − 15.5
(+10−7=17)
54.4%
18.5 / 34
100.0%
−20
1 = = = 0 = = = = 0 0 1 = = 1 0 = 1 0 = = = 0 1 0 = 1 = 1 1 = 1 1 =
–   Critter 0.80 64-bit 4CPU3070+17
−17		(−68)28.5 − 21.5
(+18−11=21)
57.0%
28.5 / 50
100.0%
−24
0 = = = = = 1 = 0 1 = 0 0 0 = = 0 1 0 1 = = 1 = 0 0 1 = = = 1 1 1 1 = 1 = 0 1 1 1 = 0 1 1 1 = = = 1
–   Naum 4 64-bit 4CPU3062+10
−10		(−76)30.5 − 19.5
(+20−9=21)
61.0%
30.5 / 50
100.0%
−8
= = = = 1 = = = 0 1 = 1 = = 1 0 = = 1 0 = = 1 1 = 1 0 1 1 1 0 0 = 1 1 1 1 1 = 1 1 1 0 0 1 0 = = = =
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(−96)32.5 − 17.5
(+22−7=21)
65.0%
32.5 / 50
100.0%
−2
0 = 1 1 1 1 = 1 1 = 0 1 = = 0 = = = = 1 = = 1 0 1 1 = = = = 0 0 1 1 1 = = 1 1 1 1 = = 1 1 = = 0 1 1
–   Critter 0.70 64-bit 4CPU3037+24
−24		(−101)34.5 − 14.5
(+22−2=25)
70.4%
34.5 / 49
100.0%
+21
1 = = = 1 1 1 = = = = = 1 1 = = = 1 = 0 1 1 1 = 1 1 1 1 = = 1 1 1 = = = = = = 1 0 1 = = = 1 1 1 =
–   Hiarcs 13.2 4CPU3034+13
−13		(−104)34 − 15
(+23−4=22)
69.4%
34.0 / 49
100.0%
+18
0 = 1 0 = = = 1 0 1 1 1 1 = 0 = = 1 = = 1 = = 1 = = 1 = 1 1 1 = 1 1 = = 1 = 1 = 1 1 1 = 1 1 = = 1
–   Hiarcs 13.1 4CPU3010+12
−12		(−128)37.5 − 12.5
(+28−3=19)
75.0%
37.5 / 50
100.0%
+34
1 = 0 = = 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 0 1 1 1 = = = 1 1 = 1 = = = = = 0 = = 1 = =
–   Spark 0.5 64-bit 4CPU3000+15
−15		(−138)37.5 − 12.5
(+27−2=21)
75.0%
37.5 / 50
100.0%
+24
1 = 1 = 1 = 1 = = = = 0 1 1 1 1 1 = 1 = 1 1 1 = 1 = 1 = 1 = 1 1 = = = 1 1 1 1 = 1 1 1 = 0 = 1 1 = =
–   Deep Junior 12 64-bit 4CPU2990+16
−16		(−148)32.5 − 17.5
(+24−9=17)
65.0%
32.5 / 50
100.0%
−47
1 1 1 = 0 1 = = 1 1 = = = = = 0 1 1 1 = 1 = 1 1 0 0 = 1 1 1 1 1 1 1 0 1 = 1 = = = 0 1 1 = 1 0 0 0 =
–   Zappa Mexico II 64-bit 4CPU2973+7
−7		(−165)37.5 − 12.5
(+30−5=15)
75.0%
37.5 / 50
100.0%
+9
= 1 1 1 1 1 1 = 0 = = = 1 1 1 = 1 1 1 1 1 0 0 = = 1 1 0 = = 1 1 = 1 1 = 1 1 = 0 1 1 = = 1 1 1 1 1 1
–   Onno 1.2.70 64-bit 4CPU2956+12
−12		(−182)36.5 − 11.5
(+26−1=21)
76.0%
36.5 / 48
100.0%
−16
1 1 = 1 1 = = = 1 1 1 0 = 1 1 = = 1 1 = = 1 1 = = = 1 = = 1 1 = = 1 1 1 1 1 = = 1 1 = = 1 1 1 =
–   Thinker 5.4c Inert 64-bit 4CPU2954+8
−8		(−184)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
−55
1 1 0 1 = 1 = 1 = = = 1 0 1 1 1 0 1 = 1 = 1 = 0 1 1 1 = = 1 1 = 1 = = = = 1 1 1 1 = 0 = 1 1 1 = = =
–   Protector 1.3.4 64-bit 4CPU2952+13
−13		(−186)38.5 − 11.5
(+29−2=19)
77.0%
38.5 / 50
100.0%
−6
1 = 1 = 1 1 = 1 = = 1 1 = 1 = = = = 1 1 = 1 1 1 = 0 1 1 = 1 1 1 = 1 0 1 = = = 1 1 1 1 1 1 = = 1 1 1
–   Deep Junior 11.1a 64-bit 4CPU2943+14
−14		(−195)38.5 − 11.5
(+32−5=13)
77.0%
38.5 / 50
100.0%
+2
1 1 = 1 1 1 1 1 0 1 = 1 = = = 1 0 1 = 1 1 1 = 1 1 0 1 1 1 1 = 1 0 0 = 1 1 1 1 1 1 = = = 1 = 1 1 1 1
–   Hiarcs 12 4CPU2942+9
−9		(−196)41.5 − 8.5
(+35−2=13)
83.0%
41.5 / 50
100.0%
+50
= = 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1 1 = 1 1 1 0 1 1 1 = 1 1 = 1 1 1 = 1 = 1 1 1 1 1 = = 1 1 0
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−197)37.5 − 12.5
(+32−7=11)
75.0%
37.5 / 50
100.0%
−10
1 = 0 = 1 1 1 0 = 1 1 1 0 1 1 0 1 1 = 1 1 1 1 1 1 = = 1 0 1 0 1 1 1 0 1 = 1 1 1 1 = 1 1 = = 1 1 = 1
–   Hiarcs 12.1 4CPU2939+10
−10		(−199)38.5 − 10.5
(+33−5=11)
78.6%
38.5 / 49
100.0%
+13
1 1 1 1 = 0 = 0 1 1 1 = 1 = 1 1 0 1 = 1 1 = 1 1 1 = 1 1 1 1 1 = 1 = 1 = 1 1 = 1 1 1 0 1 0 1 1 1 1
–   Komodo 1.0 64-bit2933+12
−11		(−205)38.5 − 11.5
(+30−3=17)
77.0%
38.5 / 50
100.0%
−19
1 = 1 1 0 1 1 = = 1 = 0 = 1 1 1 = = 1 1 = 1 = 1 1 1 1 1 = 1 = = 1 1 = 1 1 1 1 1 1 = = = 1 0 1 1 = 1
–   Deep Sjeng 3.0 64-bit 4CPU2931+9
−9		(−207)35.5 − 14.5
(+28−7=15)
71.0%
35.5 / 50
100.0%
−60
1 1 0 1 0 1 1 = 1 = 0 = = 1 1 1 1 1 = = 1 = = 0 = = 1 0 = 0 1 1 1 1 = = 1 1 1 = = 1 0 1 1 1 1 1 1 1
–   Deep Junior 11.2 64-bit 4CPU2925+17
−17		(−213)37 − 13
(+30−6=14)
74.0%
37.0 / 50
100.0%
−45
1 = 1 1 = = 1 1 0 = 0 1 1 = = 0 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
–   Toga II 1.4 beta5c 4CPU2905+9
−9		(−233)42 − 8
(+35−1=14)
84.0%
42.0 / 50
100.0%
+17
1 = 1 1 1 1 1 1 1 = 1 = 1 1 1 = = = 1 1 1 1 1 0 1 = = 1 1 = 1 1 1 1 = = 1 = 1 1 1 1 1 1 1 1 = = 1 1
–   Bright 0.5c 4CPU2904+13
−14		(−234)45.5 − 4.5
(+41−0=9)
91.0%
45.5 / 50
100.0%
+113
1 = = = 1 = 1 1 1 1 = 1 1 1 1 = 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1
1379 games: 673 wins, 177 losses, 529 draws (38.4%), score: 68.0%

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021