CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

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Stockfish 1.9.1 64-bit 4CPU (3152+13
−12
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 62 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   RubiChess 1.6 64-bit 4CPU3285+27
−26
(+133)6 − 24
(+1−19=10)
20.0%
6.0 / 30
0.0%
−74
0 0 = 1 0 = 0 0 0 = 0 0 0 0 0 0 0 0 0 = 0 = 0 = = = = = 0 0
–   RubiChess 1.5 64-bit 4CPU3199+25
−25
(+47)15 − 15
(+8−8=14)
50.0%
15.0 / 30
0.1%
+49
0 1 1 = = = = 1 = 0 = 1 = = = 0 0 0 0 1 = 1 0 = = = = 1 0 1
–   Rybka 4 64-bit 4CPU3198+11
−11
(+46)42.5 − 57.5
(+16−31=53)
42.5%
42.5 / 100
0.0%
+3
1 0 = 0 0 0 = 0 1 = = 0 0 = = = = 0 0 1 = 0 = = = = = = 0 0 = 0 0 = = 1 0 = = 0 = = 0 0 = = 1 = 0 = 0 = = = 1 0 = = 1 = = = 1 = 1 = 1 = 0 = = = = 0 0 0 0 = 1 1 0 = = = = 0 = 0 = 0 1 = = = 1 0 1 = 1 =
–   Stockfish 2.0.1 64-bit 4CPU3167+15
−14
(+15)23 − 27
(+3−7=40)
46.0%
23.0 / 50
6.6%
−6
= = = = 1 0 = 0 1 0 = = = 1 = = = = = 0 = = = = = = = = = 0 = = = = = = = = = = = = = = 0 = = = = 0
–   Stockfish 1.7.1 64-bit 4CPU3140+13
−13
(−12)50 − 50
(+18−18=64)
50.0%
50.0 / 100
91.8%
−12
0 = = 1 1 = 1 = = 0 = 1 0 = 0 1 1 = = 1 0 0 = = = 1 = = = 1 0 1 = = = = = = = 1 = 1 0 = = = 0 = 0 = = = = = = 0 = = 0 1 = = = 1 = = = = 0 = 1 = 0 1 = 0 = = = = = 0 1 1 = = 0 = = = 0 = = = = = = = = =
–   Stockfish 1.8 64-bit 4CPU3137+16
−16
(−15)25 − 25
(+7−7=36)
50.0%
25.0 / 50
94.1%
−13
1 = = = 0 = = = = = 1 0 = = = 1 = = = 1 = = = = 0 = = = 1 0 = = = 0 = = 1 = 0 = 1 = = = = = = = 0 =
–   Critter 0.90 64-bit 4CPU3128+15
−15
(−24)53 − 44
(+28−19=50)
54.6%
53.0 / 97
99.6%
+5
1 1 0 = = 0 = 1 1 = 0 = = = = 1 = = = 1 0 1 = = 1 1 = = = = = = = 1 = 0 = 0 1 = 1 1 1 = = = = = 1 = = = = 1 1 0 1 = = 0 1 0 = = 1 1 0 0 0 = 1 = 1 = 0 = = = 0 = 0 1 = 1 = 0 1 = 1 = 0 = 1 0 0 = =
–   Naum 4.2 64-bit 4CPU3098+8
−8
(−54)61 − 38
(+45−22=32)
61.6%
61.0 / 99
100.0%
+23
1 1 1 1 = = 1 = = 1 1 0 1 = = 1 = 1 = 0 1 1 1 1 = = 1 = = 0 1 = 0 1 1 1 = 0 = = 0 1 1 1 = = = 1 0 1 0 1 1 1 1 0 1 1 1 = = 1 = 1 0 1 0 1 0 1 0 = 1 = 0 0 0 = 1 = = 0 0 0 = 1 0 1 1 = 1 = 0 1 = 1 0 1 =
–   Critter 0.80 64-bit 4CPU3069+17
−17
(−83)34 − 16
(+21−3=26)
68.0%
34.0 / 50
100.0%
+23
= = = 1 = = = = = 1 = 1 1 = 0 0 = 1 1 = 1 = = 1 = = 1 = = 1 = = 1 = 1 = 1 = 1 = 1 = 1 1 1 1 = 1 1 0
–   Deep Shredder 12 64-bit 4CPU3041+7
−7
(−111)57 − 42
(+32−17=50)
57.6%
57.0 / 99
100.0%
−66
= 1 = 0 = 1 = 0 = = 1 = 1 1 0 1 1 = 1 0 = 1 = = 1 = = 0 1 0 1 1 = = 1 = = 1 1 1 1 1 = = 1 = = = = 0 1 0 = = 0 1 = 1 = = 1 0 = = = = 0 1 = = 1 = 1 0 = = 1 = 1 = = 1 = = = 1 0 = 1 0 = = 0 = = 0 = 0 =
–   Hiarcs 13.2 4CPU3033+13
−13
(−119)32.5 − 17.5
(+21−6=23)
65.0%
32.5 / 50
100.0%
−25
= = 1 = 0 = = 1 = 0 = = 1 0 1 1 1 = 1 = 1 = = = 1 = 1 = 1 1 = 1 = 0 1 1 1 = 1 = 1 1 = 1 1 0 0 = = =
–   Spark 1.0 64-bit 4CPU3029+9
−9
(−123)65.5 − 31.5
(+47−13=37)
67.5%
65.5 / 97
100.0%
−10
= 1 1 0 1 1 1 = 1 = = 1 = 0 = 1 1 = = 1 0 0 1 = 1 1 = = = = 1 1 1 1 0 = 1 1 1 0 1 1 1 = = = 0 = 0 = = 1 1 = = = 0 0 1 1 1 1 = = = 1 1 1 = 1 = 1 0 = 1 1 = = = 1 1 1 1 1 = 1 0 1 = = 1 = 1 = 0 1 1
–   Hiarcs 13.1 4CPU3009+12
−12
(−143)36.5 − 13.5
(+27−4=19)
73.0%
36.5 / 50
100.0%
+8
1 0 = 1 = 1 1 0 1 1 1 = 1 = 1 1 1 1 = 1 1 = 1 1 = = 0 = = = = 1 1 1 = 1 1 = 1 1 1 = 0 = 1 = = 1 1 =
–   Spark 0.5 64-bit 4CPU3000+15
−15
(−152)73.5 − 26.5
(+55−8=37)
73.5%
73.5 / 100
100.0%
+3
1 1 = 0 = = 1 = 1 = 1 0 = = = 1 = 0 1 0 1 = 1 1 = 0 1 1 1 = 1 1 1 = 1 1 = = = 1 1 = = 1 = = 1 1 1 = 1 1 = 1 = 0 1 = = 1 1 = 1 = 1 0 1 1 1 1 1 1 1 = 1 = 1 1 1 1 = = 1 = 1 = = 1 1 1 0 = 1 1 1 = = 1 1 1
–   Komodo 1.3 64-bit2993+12
−12
(−159)39 − 11
(+31−3=16)
78.0%
39.0 / 50
100.0%
+35
= = 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 1 1 1 1 = = 1 1 0 0 =
–   Deep Junior 12 64-bit 4CPU2989+16
−16
(−163)38.5 − 11.5
(+30−3=17)
77.0%
38.5 / 50
100.0%
+19
= = 1 1 = 1 1 1 1 = 1 = = 0 1 = = = 1 1 = = 1 1 = 1 1 0 = 1 = 1 1 0 1 = 1 1 1 1 1 1 = 1 1 1 1 = 1 1
–   Protector 1.4.0 64-bit 4CPU2972+13
−13
(−180)38 − 12
(+29−3=18)
76.0%
38.0 / 50
100.0%
−5
= = = 1 1 1 1 1 1 1 1 0 1 = 1 = 1 0 1 = = = 1 = 1 = 1 1 1 = = 1 0 1 1 1 1 = = = 1 1 = = 1 1 1 1 = 1
–   Zappa Mexico II 64-bit 4CPU2970+7
−7
(−182)79 − 21
(+65−7=28)
79.0%
79.0 / 100
100.0%
+28
= 1 = 0 1 1 = 1 1 1 1 1 1 = 1 1 1 = 1 1 1 = = 1 = 1 1 1 = 0 1 1 1 = 1 0 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 0 1 0 = = 1 0 1 1 1 = 1 = 1 = 1 = 1 1 1 1 1 = 1 1 1
–   Protector 1.3.5 64-bit 4CPU2962+27
−27
(−190)43 − 6
(+39−2=8)
87.8%
43.0 / 49
100.0%
+124
1 = = 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 1 1 1 = 1 = 1 1 1 1 = 0 1 1 1 1 1 1 =
–   Onno 1.2.70 64-bit 4CPU2955+12
−13
(−197)82 − 18
(+64−0=36)
82.0%
82.0 / 100
100.0%
+21
= = = = 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 1 = 1 1 1 1 1 = 1 1 = = 1 1 1 1 = = = = = = 1 1 = = 1 1 1 = 1 1 1 = 1 = 1 1
–   Protector 1.3.4 64-bit 4CPU2952+13
−13
(−200)76.5 − 23.5
(+56−3=41)
76.5%
76.5 / 100
100.0%
−28
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 = 1 = 1 = = 1 1 = 1 = = 1 1 = 1 1 = 1 1 = 1 = 1 0 = 1 1 = 0 = 1 1 1 1 = 1 1 = = = = 1 1
–   Thinker 5.4c Inert 64-bit 4CPU2952+9
−9
(−200)81.5 − 18.5
(+66−3=31)
81.5%
81.5 / 100
100.0%
+23
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 1 1 = 0 0 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
–   Gull 1.1 64-bit2943+12
−12
(−209)39.5 − 10.5
(+31−2=17)
79.0%
39.5 / 50
100.0%
−9
= = 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 Junior 11.1a 64-bit 4CPU2942+14
−14
(−210)79 − 21
(+64−6=30)
79.0%
79.0 / 100
100.0%
−3
1 1 1 = 0 0 1 = 1 1 = 1 1 1 = 1 = 1 1 0 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 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
–   Hiarcs 12 4CPU2941+9
−9
(−211)81 − 19
(+71−9=20)
81.0%
81.0 / 100
100.0%
+29
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 0 1 0 1 = 1 1 1 1 0 1 1 = 1 0 0 1 1 1 = 1 = 1 1 1 = 1 1 = 1 1 1 1 1 0 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
–   Deep Sjeng WC2008 64-bit 4CPU2940+8
−8
(−212)78 − 21
(+62−5=32)
78.8%
78.0 / 99
100.0%
−12
= 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 0 1 1 = = 1 = 1 1 1 1 1 = 1 = = = 1 = 1 1 1 = 1 1 = 0 = = 1 = 1 1 0 = = 1 1 1 1 1 = 1 1 = 1 1 = = 1 = 1 1 0 1 1 1 = 1 = 1 1 1 = 1
–   Hiarcs 12.1 4CPU2938+10
−10
(−214)76.5 − 23.5
(+59−6=35)
76.5%
76.5 / 100
100.0%
−33
1 1 = = 1 1 = = 1 = 1 = = = 1 1 = 1 1 = 0 1 = 1 = = 1 0 1 = 1 0 1 1 0 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 1 1 0 1 = 1 1 1 = 1 = 1 = = 1 1 = 1 = = 1 = = 1 1 1 =
–   Deep Sjeng 3.0 64-bit 4CPU2930+9
−9
(−222)87.5 − 11.5
(+77−1=21)
88.4%
87.5 / 99
100.0%
+86
= 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 = 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 = 1 1 1 1 1 1 1 = 1 1
–   Deep Sjeng c't 20102925+14
−14
(−227)39.5 − 10.5
(+33−4=13)
79.0%
39.5 / 50
100.0%
−14
1 1 1 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 0 1 = = = 1 = 1 0 = 0 = = 0 = 1 1 1 = = 1 1 1 = 1 1 1 1 1
–   Deep Junior 11.2 64-bit 4CPU2924+17
−17
(−228)76.5 − 22.5
(+59−5=35)
77.3%
76.5 / 99
100.0%
−44
= 1 1 1 1 1 1 1 = 1 1 = 1 1 1 = 1 1 1 1 1 = 1 1 1 1 = = 1 1 = = = 0 0 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 1 1 1 1 1 1 = = 0 1 1 = = = 1 = = 1 = = = 1 = =
–   Toga II 1.4 beta5c 4CPU2904+9
−9
(−248)82.5 − 17.5
(+70−5=25)
82.5%
82.5 / 100
100.0%
−5
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 1 1 1 1 1 1 1 1 1 = 1 = 0 1 = = 1 1 1 0 = = 1 1 1 1 1 1 = 1 1 1 1 = 0 1 1 1 1 1 = 1 1 1 1 = 0 1 = 1 1 1 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019