CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
White score: 54.5%

Engine Details

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Show each game results
Rybka 2.3.2a 64-bit 4CPU (3017+13
−13		)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 Combines Rybka 2.3.2 and 2.3.2a games - testing has confirmed the versions are indistinguishable regarding strength.
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 64-bit 4CPU3230+13
−13		(+213)5.5 − 26.5
(+0−21=11)
17.2%
5.5 / 32
0.0%
−15
0 = = = 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 = = = = = 0 0 0 0 0 = 0 =
–   Houdini 1.5a 64-bit 4CPU3181+17
−17		(+164)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−63
0 0 0 1
–   Critter 1.6a 64-bit 4CPU3158+8
−8		(+141)10 − 34
(+0−24=20)
22.7%
10.0 / 44
0.0%
−29
0 0 = 0 = 0 0 0 0 0 0 = 0 0 0 = = = = = 0 = = = 0 0 = 0 0 0 = = 0 = = = = 0 0 0 0 0 = =
–   Stockfish 2.3.1 64-bit 4CPU3141+19
−19		(+124)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−33
0 = 0 =
–   Sting SF 4.8.4 64-bit 4CPU3130+29
−29		(+113)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+113
= =
–   iCE 4.0 64-bit 4CPU3122+27
−27		(+105)7.5 − 14.5
(+3−10=9)		34.1%
7.5 / 22
0.0%
+3
0 0 = = 0 = = 0 0 1 = 0 0 = 1 1 = 0 0 = 0 =
–   Rybka 3 64-bit 4CPU3118+13
−13		(+101)14.5 − 37.5
(+1−24=27)
27.9%
14.5 / 52
0.0%
−30
= = 0 = 0 0 = 0 0 = = = 0 0 = 0 0 = = = = 0 1 = 0 0 0 = 0 0 0 = = = = = = 0 = 0 = 0 = = 0 = 0 = 0 0 = 0
–   Elektro 1.2 64-bit 4CPU3117+23
−23		(+100)4.5 − 14.5
(+0−10=9)		23.7%
4.5 / 19
0.0%
−64
0 0 = = 0 0 0 = 0 0 0 = = 0 0 = = = =
–   Sting SF 5 64-bit 4CPU3116+25
−25		(+99)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+99
= =
–   IvanHoe 9.46h 64-bit 4CPU3112+14
−14		(+95)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−141
0 0 1 0
–   RobboLito 0.21Q 64-bit 4CPU3110+22
−22		(+93)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−57
= 0 0 =
–   Hannibal 1.5 64-bit 4CPU3109+19
−19		(+92)10 − 12
(+3−5=14)		45.5%
10.0 / 22
0.0%
+70
= 0 = = = = 1 0 = = 1 = = = = 1 0 = = 0 0 =
–   Bouquet 1.6 64-bit 4CPU3107+21
−21		(+90)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+22
= = 0 =
–   Sting SF 2 64-bit 4CPU3107+27
−27		(+90)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−5
1 = 0 0
–   Rybka 3 Human 64-bit 4CPU3104+31
−31		(+87)1 − 5
(+0−4=2)		16.7%
1.0 / 6
0.0%
−139
0 0 0 = 0 =
–   NirvanaChess 2.1c 64-bit 4CPU3094+23
−23		(+77)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+219
= 1
–   Naum 4.6 64-bit 4CPU3094+14
−14		(+77)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−206
0 0 = 0
–   Chiron 2 64-bit 4CPU3084+14
−15		(+67)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.0%
+7
0 = 0 = = 1
–   Texel 1.05 64-bit 4CPU3083+17
−17		(+66)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+158
= 1 1 0
–   Andscacs 0.82 64-bit 4CPU3081+29
−29		(+64)7.5 − 10.5
(+2−5=11)		41.7%
7.5 / 18
0.0%
+14
= = = = 0 = 0 0 0 = = = = 1 0 1 = =
–   Critter 0.90 64-bit 4CPU3077+31
−31		(+60)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+60
= =
–   Hannibal 1.4b 64-bit 4CPU3076+15
−15		(+59)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Protector 1.7.0 64-bit 4CPU3074+19
−19		(+57)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−85
= 0
–   Naum 4.2 64-bit 4CPU3060+10
−10		(+43)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   NirvanaChess 2.0a 64-bit 4CPU3055+30
−30		(+38)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
1.2%
−118
= 0
–   Alfil 15.8 64-bit 4CPU3055+22
−22		(+38)5.5 − 10.5
(+1−6=9)		34.4%
5.5 / 16
0.2%
−51
0 = = = = 0 = 0 = 0 1 0 0 = = =
–   Protector 1.5.0 64-bit 4CPU3054+18
−18		(+37)4 − 2
(+3−1=2)		66.7%
4.0 / 6
0.1%
+150
0 1 = = 1 1
–   Hiarcs 14 4CPU3053+13
−13		(+36)3 − 3
(+1−1=4)		50.0%
3.0 / 6
0.0%
+42
= = = 0 1 =
–   Rybka 3 64-bit3047+11
−11		(+30)32.5 − 37.5
(+11−16=43)
46.4%
32.5 / 70
0.0%
+10
0 = = = 1 = 0 = = = = = = 1 1 0 = = 1 = = 0 0 1 0 0 = = 1 = = 0 1 = = 0 0 0 = = = = = 1 0 = 1 = 1 = = = 1 = = = = = = = = = = 0 = 0 0 = = 0
–   Gull R375 64-bit 4CPU3038+22
−22		(+21)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
5.8%
−38
= = = 0
–   Deep Fritz 13 4CPU3033+16
−17		(+16)14 − 16
(+4−6=20)
46.7%
14.0 / 30
6.3%
−2
= 1 = = = = 0 = 0 = = = = = 0 = = 0 0 = 0 = = = 1 1 = 1 = =
–   Hannibal 1.3 64-bit 4CPU3032+22
−22		(+15)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
12.5%
−52
= = 0 =
–   Deep Junior Yokohama 64-bit 4CPU3023+16
−16		(+6)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
26.6%
−284
0 = 0 0
–   Andscacs 0.80 64-bit 4CPU3022+31
−31		(+5)5.5 − 3.5
(+2−0=7)		61.1%
5.5 / 9
37.2%
+67
= = = = 1 = 1 = =
–   Senpai 1.0 64-bit 4CPU3022+16
−17		(+5)2 − 2
(+1−1=2)		50.0%
2.0 / 4
30.1%
+5
= 1 = 0
–   Deep Shredder 12 64-bit 4CPU3017+10
−10		(0)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
50.0%
+45
0 = = 1 = 1
–   Deep Junior 13.3 64-bit 4CPU3017+18
−18		(0)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
47.1%
−157
0 =
–   Spike 1.4 Leiden 4CPU3015+11
−11		(−2)4 − 6
(+1−3=6)		40.0%
4.0 / 10
56.5%
−57
0 = 0 = = 0 1 = = =
–   Texel 1.03 64-bit 4CPU3009+31
−31		(−8)4.5 − 7.5
(+2−5=5)		37.5%
4.5 / 12
67.1%
−83
0 1 = 0 0 0 0 1 = = = =
–   Cheng 4.39 64-bit 4CPU3009+15
−15		(−8)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
77.2%
−165
= 0
–   Fizbo 1.5 64-bit 4CPU2992+27
−27		(−25)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
94.5%
−167
= 0
–   Cheng4 0.38 64-bit 4CPU2979+24
−24		(−38)10 − 7
(+3−0=14)		58.8%
10.0 / 17
99.5%
+3
= = = = = = = = 1 = 1 1 = = = = =
–   Spark 1.0 64-bit 4CPU2968+13
−13		(−49)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+108
= 1
–   Zappa Mexico II 64-bit 4CPU2968+10
−10		(−49)28 − 17
(+17−6=22)
62.2%
28.0 / 45
100.0%
+25
= = 1 = = 1 0 = = = = 1 1 = = 1 = 0 1 1 = 1 0 = 1 = 1 1 1 = = 1 1 = = 0 = 0 = 0 1 = 1 = 1
–   Naum 3.1 64-bit 4CPU2967+18
−18		(−50)32 − 18
(+18−4=28)
64.0%
32.0 / 50
100.0%
+32
= 1 = 1 = = = 1 = = 1 = = 1 1 1 = 1 = = = = 1 0 = = 1 1 = = 1 0 = 1 1 = = 1 0 = = 1 = = 1 0 = 1 = =
–   Zappa Mexico 64-bit 4CPU2959+15
−15		(−58)91 − 68
(+48−25=86)
57.2%
91.0 / 159
100.0%
−15
1 0 1 = = 1 = 1 = 1 0 = 0 = = = = = 1 1 1 0 0 = 0 = = 1 = 1 0 = = = = = 1 1 = = 1 0 = = 0 = = = = = = = 1 = = = = = 0 = 1 1 = 1 = 1 1 1 1 = = = = = 1 1 = = 0 0 = 1 = = 0 1 = = 1 0 = = = 1 1 = 1 1 1 = = = 1 1 1 0 = = = = 0 0 1 1 1 1 0 = 1 = 1 = 1 0 1 = = = 0 1 = = 1 = = = = = 1 = 1 = = = = = = 1 = = = 0 0 0 1 = 0 0 =
–   Naum 3 64-bit 4CPU2956+18
−18		(−61)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−20
= = = = = 1 1 = 1 = 1 = = = = = 1 = 1 0 = = = = 1 = = = = 0 = =
–   Fizbo 1.31 64-bit 4CPU2954+30
−30		(−63)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+79
= 1
–   Zap!Chess Zanzibar 64-bit 4CPU2947+23
−23		(−70)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−9
1 = = = 1 = 1 0 = 0 = = = 1 = = 1 = 1 = 1 = = = 1 = = = 0 0 0 = = = = 1 1 0 = 1 1 1 1 1 = 0 1 0 1 1
–   Onno 1.2.70 64-bit 4CPU2933+19
−19		(−84)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Fizbo 1.4 64-bit 4CPU2931+28
−28		(−86)5 − 3
(+4−2=2)		62.5%
5.0 / 8
100.0%
+2
0 = 1 0 = 1 1 1
–   Thinker 5.4d Inert 64-bit 4CPU2925+23
−23		(−92)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−92
= =
–   Toga II 3.0 4CPU2918+22
−23		(−99)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+43
1 =
–   Deep Shredder 11 64-bit 4CPU2916+12
−12		(−101)59 − 33
(+35−9=48)
64.1%
59.0 / 92
100.0%
−18
0 1 1 1 = = 0 1 = = 1 0 = = 0 = = 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 = 0 1 = = = = 1 = 1 0 1 0 = = 1 =
–   Crafty 23.8 64-bit 4CPU2908+32
−33		(−109)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−109
0 1
–   Naum 2.2 64-bit 4CPU2903+18
−18		(−114)38.5 − 17.5
(+24−3=29)
68.8%
38.5 / 56
100.0%
−2
= = 1 1 = 1 = = = = = = 1 1 = 1 1 1 0 1 = 1 1 = = 1 = = = 1 = 1 = 1 = = = 0 1 = 1 1 1 = = = = = = 1 1 1 1 1 0 =
–   Toga II 1.4.1SE 4CPU2903+13
−13		(−114)25 − 11
(+19−5=12)
69.4%
25.0 / 36
100.0%
+17
= = 1 = 1 1 = 1 1 1 1 = = 1 1 = 0 = 1 1 1 1 = 1 = 1 0 1 0 1 = 0 = 1 1 0
–   Hiarcs 12 4CPU2892+15
−15		(−125)40 − 15
(+26−1=28)
72.7%
40.0 / 55
100.0%
+12
= = = = 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 =
–   Hiarcs 12 Sharpen PV On 4CPU2890+21
−21		(−127)34.5 − 15.5
(+24−5=21)
69.0%
34.5 / 50
100.0%
−6
= = 0 1 1 1 = = = 1 = 1 1 1 1 1 = 1 1 1 1 1 = 1 = = 1 = = 0 1 0 1 = 1 = = 1 = = = 1 = 0 0 = 1 1 1 =
–   Hiarcs Paderborn 2007 4CPU2889+19
−19		(−128)27 − 11
(+19−3=16)
71.1%
27.0 / 38
100.0%
+6
= 1 1 = 1 = 1 = 1 = = = 1 = 1 = = 1 1 0 1 1 = 1 1 = 1 0 1 = 1 1 0 1 = = 1 =
–   Deep Fritz 10.1 4CPU2887+18
−18		(−130)26 − 8
(+20−2=12)
76.5%
26.0 / 34
100.0%
+45
1 1 = 1 = = 1 1 1 1 1 1 1 = = = = = 1 1 = 1 1 = 1 1 1 1 0 = 0 1 1 =
–   Toga II 1.4 beta5c 4CPU2884+18
−18		(−133)36 − 12
(+27−3=18)
75.0%
36.0 / 48
100.0%
+32
= 1 1 1 = = = 1 1 1 1 0 1 1 1 = = 1 1 1 = = = 1 = 1 0 1 0 = = 1 1 1 = 1 1 = 1 1 = = = 1 = 1 1 1
–   Hiarcs 11.1 4CPU2876+17
−17		(−141)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−26
1 = 1 = 1 0 1 1 = 1 1 = 1 0 = 1 1 = = 0 = = 1 1 1 = = 1 = 1 = = 1 1 = 0 0 1 1 1 = = = 1 1 = 0 1 1 =
–   Glaurung 2.1 64-bit 4CPU2867+19
−19		(−150)39 − 13
(+29−3=20)
75.0%
39.0 / 52
100.0%
+13
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 1 0 1 = 1 = 1
–   Naum 2.1 64-bit 4CPU2864+21
−21		(−153)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−37
= 1 1 1 1 = = = = 0 1 = 1 1 1 = 1 = 1 1 0 = 1 0 = 1 = 1 = = 1 1 1 = 1 0 = = 1 = = = 1 1 = 0 1 1 1 0
–   Hiarcs 11.2 4CPU2861+26
−27		(−156)31 − 9
(+27−5=8)
77.5%
31.0 / 40
100.0%
+53
= = 1 1 1 1 0 1 0 1 1 1 1 1 1 = 0 1 1 1 = 1 = 0 0 1 1 1 = 1 = 1 1 = 1 1 1 1 1 1
–   Loop M1-T 64-bit 4CPU2848+12
−12		(−169)38.5 − 17.5
(+26−5=25)
68.8%
38.5 / 56
100.0%
−53
1 1 1 1 1 1 = = 1 = 1 = 1 = 1 0 1 = = = = = = = 1 = = 1 1 0 1 = 1 0 1 0 1 1 = 1 1 = = = = = 1 1 = 1 = 0 1 = = 1
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2837+19
−19		(−180)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+11
= 1 1 = 1 = = = 1 = 1 = 1 = 1 1 1 = 1 1 1 = 1 1 = 1 1 1 0 1
–   Deep Shredder 10 64-bit 4CPU2831+17
−17		(−186)40.5 − 11.5
(+33−4=15)
77.9%
40.5 / 52
100.0%
+9
0 = 1 1 = 1 = 0 = = 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 1 1 1 1
–   Bright 0.3a 4CPU2829+18
−18		(−188)29 − 5
(+24−0=10)
85.3%
29.0 / 34
100.0%
+68
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 Fritz 10 4CPU2829+20
−20		(−188)43.5 − 11.5
(+34−2=19)
79.1%
43.5 / 55
100.0%
+10
1 = = = 1 0 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
–   Glaurung 2.0.1 64-bit 4CPU2828+17
−17		(−189)40 − 12
(+31−3=18)
76.9%
40.0 / 52
100.0%
−4
= 1 = 1 = 1 = = 1 = = 1 = 1 0 1 = = = 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
–   Bright 0.2c 4CPU2805+21
−21		(−212)28.5 − 6.5
(+23−1=11)
81.4%
28.5 / 35
100.0%
+7
1 1 1 1 1 = 1 1 0 1 = = = 1 = = 1 1 1 1 1 = 1 1 = 1 1 = 1 1 1 = = 1 1
–   Deep Junior 10 4CPU2802+14
−14		(−215)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+88
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 1 = 1 1 1 1 1 1 1 1 = = = 1 1 1 1 1 =
–   Toga II 1.3.12789+12
−11		(−228)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
+16
1 1 = = 1 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		(−231)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
+13
= 1 1
–   Deep Sjeng 2.7 4CPU2779+18
−18		(−238)32.5 − 7.5
(+27−2=11)
81.3%
32.5 / 40
100.0%
−12
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
–   Fruit 05/11/032773+20
−20		(−244)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−16
1 1 =
–   Glaurung 1.2.1 64-bit 4CPU2765+19
−19		(−252)46.5 − 6.5
(+40−0=13)
87.7%
46.5 / 53
100.0%
+38
= 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
–   Chess Tiger 2007.12704+10
−10		(−313)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
1 1 1
1928 games: 787 wins, 295 losses, 846 draws (43.9%), score: 62.8%

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Created in 2005-2013 by CCRL team
Last games added on April 12, 2021