CCRL 40/15
Downloads and Statistics
January 25, 2020
Testing summary:
Total: 1'116'816 games
played by 2'606 programs

White wins: 386'579 (34.6%)
Black wins: 286'858 (25.7%)
Draws: 443'379 (39.7%)
White score: 54.5%

Engine Details

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Rybka 3 32-bit (2993+12
−12		)Quote
Author: Vasik Rajlich (USA) Link: Homepage
Information: There is some debate in the chess community about whether or not early versions of the Rybka engine contain parts of Fruit code
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Arasan 21.3 64-bit3124+15
−15		(+131)4 − 10
(+2−8=4)		28.6%
4.0 / 14
0.0%
−23
0 = 1 0 0 0 = 0 0 = 0 0 1 =
–   Ethereal 10.00 64-bit3093+15
−15		(+100)5 − 9
(+1−5=8)		35.7%
5.0 / 14
0.0%
+21
0 = = = 0 0 = 0 = = = 0 = 1
–   Nemorino 5.00 64-bit3089+14
−14		(+96)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
0.0%
+28
0 1 0 = 1 = 1 = 0 1 0 0 0 = = 0
–   chess22k 1.13 64-bit3061+20
−20		(+68)2.5 − 9.5
(+2−9=1)		20.8%
2.5 / 12
0.0%
−182
= 0 1 0 0 0 0 0 0 1 0 0
–   Vajolet2 2.6 64-bit3060+15
−15		(+67)7.5 − 12.5
(+2−7=11)		37.5%
7.5 / 20
0.0%
−7
= = 0 = 0 = = 1 0 = 1 0 = = 0 = = = 0 0
–   Pedone 1.8 64-bit3060+16
−16		(+67)9.5 − 10.5
(+7−8=5)		47.5%
9.5 / 20
0.0%
+50
0 = = = 1 1 = 0 0 1 = 1 1 0 0 0 1 0 0 1
–   Wasp 3.75 64-bit3055+20
−20		(+62)8.5 − 11.5
(+3−6=11)		42.5%
8.5 / 20
0.0%
+14
0 = 0 = = = 0 = 1 = 0 = 0 = = 1 = = 0 1
–   iCE 3.0 64-bit3042+11
−11		(+49)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
−10
0 = 0 = = 0 1 = = =
–   Sting SF 8.5 64-bit3041+29
−29		(+48)5 − 5
(+3−3=4)		50.0%
5.0 / 10
0.1%
+48
0 1 0 1 0 1 = = = =
–   Senpai 2.0 64-bit3036+12
−12		(+43)2.5 − 7.5
(+0−5=5)		25.0%
2.5 / 10
0.0%
−105
= = = 0 0 = 0 0 = 0
–   Laser 1.4 64-bit3027+18
−18		(+34)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
0.1%
+6
1 1 0 0 = = 0 = 0 1 0 = 1 =
–   ChessBrainVB 3.683026+21
−21		(+33)6.5 − 7.5
(+5−6=3)		46.4%
6.5 / 14
0.4%
+12
0 0 = 1 = 1 1 0 = 1 1 0 0 0
–   Pirarucu 3.0.7 64-bit3013+19
−19		(+20)7.5 − 8.5
(+3−4=9)		46.9%
7.5 / 16
4.5%
+5
= = = 0 = 0 0 = = = = 1 = 1 1 0
–   Arasan 20.3 64-bit3010+20
−20		(+17)6.5 − 5.5
(+4−3=5)		54.2%
6.5 / 12
8.3%
+41
0 0 = = 1 1 1 = = = 1 0
–   Ethereal 9.30 64-bit3005+25
−26		(+12)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
20.6%
−15
= = = = 1 1 0 0 = 0
–   Rodent III 0.281 64-bit2991+20
−20		(−2)6.5 − 7.5
(+3−4=7)		46.4%
6.5 / 14
56.8%
−21
0 1 = 0 1 0 0 1 = = = = = =
–   chess22k 1.11 64-bit2990+20
−20		(−3)6 − 8
(+1−3=10)		42.9%
6.0 / 14
61.4%
−42
= = 1 0 0 = 0 = = = = = = =
–   ChessBrainVB 3.612988+27
−27		(−5)5 − 5
(+2−2=6)		50.0%
5.0 / 10
63.6%
−1
= 1 0 = = = = 1 = 0
–   Deuterium 2019.2.37.73 64-bit2988+20
−21		(−5)9 − 11
(+3−5=12)		45.0%
9.0 / 20
65.9%
−34
1 = 0 = 0 = = = 1 = 0 = = 0 = = = 0 = 1
–   Demolito 2019-04-27 64-bit2986+19
−19		(−7)7.5 − 6.5
(+4−3=7)		53.6%
7.5 / 14
73.5%
+12
0 = = = = 1 0 1 1 = 1 = = 0
–   RubiChess 1.3 64-bit2981+21
−21		(−12)8.5 − 5.5
(+6−3=5)		60.7%
8.5 / 14
84.3%
+61
0 1 0 1 = 1 = = 1 0 = 1 = 1
–   Stockfish 1.7.1 32-bit2977+17
−16		(−16)17 − 13
(+7−3=20)
56.7%
17.0 / 30
94.2%
+20
= 1 = = 1 = = = = = 1 = = 1 = = = 1 = 1 = 0 = 0 = = 1 = 0 =
–   Naum 4.2 64-bit2976+9
−9		(−17)11 − 13
(+4−6=14)		45.8%
11.0 / 24
98.5%
−43
1 0 = = 1 0 = = = = = = = 1 0 = 0 = 1 = 0 = 0 =
–   Pirarucu 2.9.5 64-bit2967+19
−19		(−26)6.5 − 7.5
(+3−4=7)		46.4%
6.5 / 14
99.0%
−48
0 0 = = = = 1 = = 1 0 = 0 1
–   Naum 4.2 32-bit2959+10
−10		(−34)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
+19
= = = = 1 = 0 1 = 1 1 1 0 0 = = = 0 0 0 1 1 1 1 1 = 0 1 1 =
–   chess22k 1.10 64-bit2956+18
−18		(−37)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
100.0%
0
0 1 = 1 1 = 0 =
–   Naum 4.1 32-bit2954+21
−21		(−39)18 − 12
(+7−1=22)
60.0%
18.0 / 30
99.9%
+12
= 1 = = = = = = = = 1 = 0 = = = = 1 = = 1 1 = = = = = 1 1 =
–   Stockfish 1.6.3 32-bit2934+17
−17		(−59)18.5 − 13.5
(+9−4=19)
57.8%
18.5 / 32
100.0%
−13
= 1 0 1 0 1 = 1 = 1 1 1 = = 0 = = = = 1 0 = = = = = = = = = = 1
–   Naum 4 32-bit2930+14
−14		(−63)35.5 − 22.5
(+21−8=29)
61.2%
35.5 / 58
100.0%
+5
1 0 = = 1 0 1 = 1 1 = = = 0 = = 0 = 1 1 1 = 1 = 1 = 0 1 = 0 1 = 1 = = 1 = = = 1 = 1 1 1 = = = = 0 = = 1 = = 1 = 0 1
–   Shredder 12 32-bit2929+7
−8		(−64)51 − 39
(+28−16=46)
56.7%
51.0 / 90
100.0%
−24
= 1 0 0 = 0 = 0 = 1 1 1 = = 0 = = 0 0 = = 0 = = = = = 1 0 = = 1 1 1 = 1 = 1 = 1 1 = = 1 = = = = 0 = = 0 = = 1 = 1 0 = = 1 1 = 1 1 = 1 = 1 0 = = = 0 = 0 = 1 = 1 1 = 1 = 1 = 1 1 0 =
–   Dirty CUCUMBER 64-bit2917+14
−13		(−76)8 − 4
(+6−2=4)		66.7%
8.0 / 12
100.0%
+38
1 1 0 1 = 1 1 0 = 1 = =
–   Rybka 2.3.2a 32-bit2912+9
−9		(−81)28.5 − 21.5
(+17−10=23)
57.0%
28.5 / 50
100.0%
−35
= = 1 1 0 = 1 1 = = 1 = 0 1 1 1 1 1 = = 1 0 1 = 0 = 0 = = 0 = = 1 = 1 0 = = 1 0 = = 1 = 1 = = = 0 0
–   Komodo 1.2 32-bit2897+14
−14		(−96)20.5 − 9.5
(+13−2=15)
68.3%
20.5 / 30
100.0%
+13
= = = = 0 = 1 1 = 1 = 1 0 = = 1 1 = = 1 1 = = 1 1 1 1 1 = =
–   Fritz 122886+11
−11		(−107)21.5 − 12.5
(+13−4=17)
63.2%
21.5 / 34
100.0%
−30
1 1 = = = = 1 = 1 = 0 1 1 0 = = 1 = 1 = = 1 = 1 = 1 0 = = 1 0 = = 1
–   Critter 0.70 32-bit2877+20
−20		(−116)23 − 7
(+18−2=10)
76.7%
23.0 / 30
100.0%
+67
= 1 1 = = 1 1 1 = 1 = 1 = = 1 1 1 1 1 1 1 = 0 1 = 1 = 1 0 1
–   Hiarcs 13.12874+14
−14		(−119)21 − 9
(+14−2=14)
70.0%
21.0 / 30
100.0%
+3
1 1 = = = 1 = = 1 1 1 1 1 0 = 1 = = = 1 0 1 1 = 1 = = = 1 =
–   Komodo 1.0 32-bit2868+16
−16		(−125)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+82
= 1 1 = = 1 1 1 = 1 0 = 1 = 1 1 1 1 1 1 = 1 1 1 = = = 1 1 1
–   Stockfish 1.5.1 32-bit2865+15
−15		(−128)24 − 10
(+17−3=14)
70.6%
24.0 / 34
100.0%
+4
= 1 1 1 1 = = = 1 0 1 1 1 1 = = = 1 = 1 1 = 0 1 1 1 = 0 = = = 1 = 1
–   Naum 3.1 32-bit2858+16
−15		(−135)50 − 17
(+36−3=28)
74.6%
50.0 / 67
100.0%
+22
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 0 1 1 1 1 = 1 1 1 1 1 1 1 =
–   Thinker 5.4d Inert 32-bit2857+10
−10		(−136)26 − 8
(+18−0=16)
76.5%
26.0 / 34
100.0%
+27
= = = = 1 = = = = 1 1 1 1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 = 1 = = 1 = =
–   Doch 1.3.4 32-bit2856+22
−22		(−137)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+20
= 1 = 1
–   Fritz 112852+10
−10		(−141)38.5 − 15.5
(+26−3=25)
71.3%
38.5 / 54
100.0%
−10
= = = = = = 1 1 1 = = 1 = 0 1 1 1 = 1 1 = = 1 1 1 1 1 1 1 = 1 = = 0 1 1 = 1 = 1 1 0 = 1 = = = 1 = 1 = = = 1
–   Thinker 5.4c Inert 32-bit2849+13
−13		(−144)22.5 − 11.5
(+18−7=9)
66.2%
22.5 / 34
100.0%
−31
= 1 1 0 1 0 = 0 1 0 = 0 = 1 1 1 1 1 = 1 1 1 1 1 1 1 = 0 = = 1 1 = 0
–   Thinker 5.3b Inert 32-bit2846+19
−19		(−147)17.5 − 12.5
(+12−7=11)
58.3%
17.5 / 30
100.0%
−96
1 = 1 1 = = 1 1 1 = 0 = 1 1 0 = 0 1 1 = = 0 1 = = 0 0 0 = 1
–   Thinker 5.4a Inert 32-bit2835+21
−21		(−158)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+86
1 1 1 1 1 0 = 1 1 1 = 1 1 = 1 1 = 1 = 1 1 1 1 1 1 = = 1 1 =
–   Shredder 112832+12
−12		(−161)57 − 17
(+43−3=28)
77.0%
57.0 / 74
100.0%
+17
= 1 1 = = = = = = 1 = 1 1 1 0 1 1 1 = 1 0 = 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 = =
–   Deep Junior 11.1a 32-bit2831+17
−17		(−162)20.5 − 9.5
(+14−3=13)
68.3%
20.5 / 30
100.0%
−47
0 1 1 = 1 = 1 = 1 0 1 1 = 1 = 1 = = = = = 1 0 = = 1 = 1 1 1
–   Critter 0.60 32-bit2831+23
−23		(−162)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
+34
= 1 = 1 = 1 1 1 1 = = = = 1 = 1 1 1 1 = 1 = 1 1 = 1 1 = 1 1
–   Stockfish 1.4 32-bit2830+16
−16		(−163)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
0
= 1 1 1 1 1 1 = = 1 0 1 1 = = 1 1 1 1 = = = 1 = = = 0 1 1 1
–   Cyclone xTreme Fury2827+19
−19		(−166)22 − 8
(+17−3=10)
73.3%
22.0 / 30
100.0%
−5
1 1 = 1 1 0 1 1 = 1 = 1 = 1 1 1 = = 1 = 1 = 1 1 1 1 0 0 = =
–   Toga II 1.4.1SE2827+12
−12		(−166)42.5 − 15.5
(+31−4=23)
73.3%
42.5 / 58
100.0%
−12
1 = 1 = = = 1 = 1 = 1 0 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 = 0 = = =
–   Grapefruit 1.0 32-bit2826+9
−9		(−167)33.5 − 11.5
(+25−3=17)
74.4%
33.5 / 45
100.0%
−5
= 1 1 1 = 1 1 = = = = 1 = 1 = 1 0 1 0 1 1 1 1 1 = = 1 = 1 1 1 = 1 1 1 = 1 = 1 = 1 0 = 1 =
–   Deep Sjeng WC2008 32-bit2825+12
−12		(−168)40.5 − 10.5
(+32−2=17)
79.4%
40.5 / 51
100.0%
+36
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
–   Protector 1.3.4 32-bit2824+15
−15		(−169)22.5 − 7.5
(+16−1=13)
75.0%
22.5 / 30
100.0%
−13
1 = 1 1 1 1 = = 1 = 1 = = 1 0 1 = = = 1 1 1 = 1 = = 1 1 1 =
–   Cyclone xTreme2824+13
−13		(−169)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
−30
= 1 = 1 = 1 1 = = 1 0 = 0 1 1 = = = 1 1 1 1 1 0 0 1 1 1 1 = = 1
–   Cyclone 3.42823+21
−21		(−170)27.5 − 7.5
(+21−1=13)
78.6%
27.5 / 35
100.0%
+21
1 1 = 1 1 = 1 = 1 1 = 1 1 = = 1 = 1 = 1 1 = 1 1 1 = = 1 0 = 1 1 1 = 1
–   Cyclone xTreme Rage2821+25
−25		(−172)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+117
1 1 1 =
–   Hiarcs 12.12817+11
−11		(−176)37.5 − 10.5
(+29−2=17)
78.1%
37.5 / 48
100.0%
+15
= 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 1 1 1 =
–   Hiarcs 12 Sharpen PV On2813+14
−14		(−180)21.5 − 9.5
(+14−2=15)
69.4%
21.5 / 31
100.0%
−63
1 = = = 1 1 0 1 0 = = 1 1 = = 1 = = 1 1 = 1 1 = = 1 1 = 1 = =
–   Deep Sjeng 3.0 32-bit2813+21
−21		(−180)43 − 10
(+35−2=16)
81.1%
43.0 / 53
100.0%
+41
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 0 1 1 1 = = =
–   Zappa Mexico II 32-bit2809+11
−12		(−184)38 − 13
(+29−4=18)
74.5%
38.0 / 51
100.0%
−20
1 = 1 1 = 0 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 0 0 = 1 = =
–   Hiarcs 122809+14
−14		(−184)41 − 14
(+32−5=18)
74.5%
41.0 / 55
100.0%
−16
= 1 1 = 1 = 1 0 1 = 1 = 1 1 = 0 1 = 1 1 1 = 1 1 1 1 1 = = = 1 = 1 1 = = 1 1 1 1 = 1 1 = = = 1 0 1 0 1 0 1 1 1
–   Spark 0.3a 32-bit2800+17
−17		(−193)28.5 − 5.5
(+23−0=11)
83.8%
28.5 / 34
100.0%
+45
1 = 1 1 1 1 1 1 1 = 1 = 1 = = 1 1 = 1 1 = 1 1 = = 1 = 1 = 1 1 1 1 1
–   Spark 0.3 32-bit2798+16
−16		(−195)26.5 − 6.5
(+21−1=11)
80.3%
26.5 / 33
100.0%
+12
1 1 = = 1 = = 1 = 1 1 1 1 = 1 1 1 1 = 1 1 1 = = 1 = 1 1 1 1 1 0 =
–   Onno 1.1.1 32-bit2798+18
−18		(−195)31 − 7
(+26−2=10)
81.6%
31.0 / 38
100.0%
+35
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 =
–   Doch 09.980 32-bit2796+19
−19		(−197)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+9
1 1 = = 1 0 = 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 = 1 = = = 1 =
–   Protector 1.3.2 32-bit2796+21
−21		(−197)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
0
1 1 1 1 1 = = 1 = 1 1 1 1 = = 1 1 1 1 = = 1 = 1 = 1 = = = 1
–   Hiarcs Paderborn 20072795+18
−18		(−198)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−56
= 1 0 1 1 = 1 1 0 = 1 = 1 = = 1 0 1 = = 1 0 = 1 1 1 0 1 1 1 1 1
–   Onno 1.0 32-bit2794+18
−18		(−199)23.5 − 6.5
(+20−3=7)
78.3%
23.5 / 30
100.0%
+11
0 = 1 1 1 1 = = 1 1 1 0 1 = 0 1 1 1 1 1 1 1 1 1 1 = = 1 = 1
–   Stockfish 1.3.1 32-bit2793+25
−25		(−200)25.5 − 6.5
(+19−0=13)
79.7%
25.5 / 32
100.0%
−6
1 = 1 = 1 = 1 1 1 = 1 1 1 1 = 1 = = 1 = 1 = = = = 1 1 1 = 1 1 1
–   Fruit 2.3.12786+14
−14		(−207)27.5 − 7.5
(+21−1=13)
78.6%
27.5 / 35
100.0%
−17
1 = 1 1 = 1 1 = = 1 = 1 1 1 = 1 1 = = = 0 1 1 1 1 1 1 = = 1 = = 1 1 1
–   Grapefruit 1.0a32782+31
−31		(−211)17.5 − 2.5
(+17−2=1)		87.5%
17.5 / 20
100.0%
+146
1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1
–   Stockfish 1.2 Default2781+21
−21		(−212)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+32
0 1 1 1 1 1 1 = 1 = 1 = 1 1 1 1 1 1 = 1 1 1 1 = 0 1 1 1 0 = 1 1
–   Bright 0.4a2776+10
−10		(−217)27 − 4
(+23−0=8)
87.1%
27.0 / 31
100.0%
+63
1 1 1 1 1 1 = 1 1 = 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = = = 1 =
–   Loop 13.6 (Loop 2007) 32-bit2774+10
−10		(−219)45 − 11
(+37−3=16)
80.4%
45.0 / 56
100.0%
0
= 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 1 1 1 1 1 1 0 1 1 1 = 1 1 1 1
–   Glaurung 2.1 32-bit2765+18
−18		(−228)68.5 − 15.5
(+56−3=25)
81.5%
68.5 / 84
100.0%
−2
= 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 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
–   Thinker 5.2e Passive2761+28
−28		(−232)23.5 − 8.5
(+18−3=11)
73.4%
23.5 / 32
100.0%
−73
= 1 1 = 1 1 1 0 1 = 1 1 = 1 = = = 1 = 1 1 1 = 1 1 0 1 1 0 = = 1
–   Ktulu 92754+12
−12		(−239)26 − 4
(+22−0=8)
86.7%
26.0 / 30
100.0%
+36
1 = 1 = 1 1 = 1 1 = 1 1 1 1 1 1 = = = 1 1 1 1 1 1 1 = 1 1 1
–   Spike 1.2 Turin2745+7
−7		(−248)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
−72
1 1 1 1 0 1 = = 1 = 0 1 = = 1 0 1 1 = = 1 1 1 1 = 1 1 1 = 1 = 1
–   Junior 102744+13
−13		(−249)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+32
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 =
–   Chessmaster 11 Archangel2696+21
−21		(−297)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
−16
= = 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
2479 games: 1247 wins, 273 losses, 959 draws (38.7%), score: 69.6%

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Created in 2005-2013 by CCRL team
Last games added on January 25, 2020