CCRL 40/4
Downloads and Statistics
August 28, 2010
Testing summary:
Total: 670'332 games
played by 925 programs
10177 CPU days (X2 4600+)

White wins: 259'771 (38.8%)
Black wins: 206'654 (30.8%)
Draws: 203'907 (30.4%)
White score: 54.0%

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Rybka 2.3.2a 32-bit (3018+14
−14		)Quote
Author: Vasik Rajlich (USA) Link: Homepage
Combines Rybka 2.3.2 and 2.3.2a games - testing has confirmed the versions are indistinguishable regarding strength.
This is one of the 64 Rybka versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Stockfish 1.8 64-bit3166+27
−27		(+148)3 − 9
(+1−7=4)		25.0%
3.0 / 12
0.0%
−18
0 1 = 0 = 0 = = 0 0 0 0
–   Rybka 3 32-bit3124+26
−26		(+106)21 − 59
(+4−42=34)
26.3%
21.0 / 80
0.0%
−46
= = = 0 = = = = = 0 0 0 0 0 1 0 0 = 0 0 0 0 1 = = = = = 0 0 0 0 = 0 0 0 0 0 = 1 = 0 = 0 0 0 0 0 = 0 = 0 = 0 = = = 0 0 0 = 0 1 0 = 0 = = = 0 = 0 = = 0 0 = 0 = 0
–   Stockfish 1.5.1 32-bit2998+22
−22		(−20)25 − 15
(+18−8=14)
62.5%
25.0 / 40
92.8%
+61
= = 1 0 = 1 1 1 = 1 0 1 = 1 1 0 1 = 0 = 1 0 0 = = 1 1 1 1 = 1 0 1 = = = 1 0 1 =
–   Fritz 112985+8
−8		(−33)27.5 − 25.5
(+14−12=27)
51.9%
27.5 / 53
100.0%
−21
= = = 1 = 0 1 = = 1 = 0 0 = 1 1 1 1 = = = = 1 1 0 = = 0 1 = = 0 1 0 = = = = = 1 0 = = = 0 = = 0 1 = 0 0 1
–   Stockfish 1.4 32-bit2976+29
−28		(−42)63.5 − 48.5
(+41−26=45)
56.7%
63.5 / 112
99.7%
0
= 0 1 = = 0 = 1 = = = = 1 0 0 = 1 1 1 = = 1 1 = 0 = 1 = 1 1 = 1 1 = 0 0 0 0 = 1 = 1 = = 0 0 0 1 0 = = 1 1 0 = 1 1 0 1 1 = 0 1 1 = 1 1 0 = 1 1 = 1 1 = 0 = = 1 0 0 1 = 1 1 = 0 = = 0 = 1 0 = 1 = = 0 0 = = 1 = = 1 1 = 1 0 1 = =
–   Shredder 112947+12
−12		(−71)35.5 − 29.5
(+23−17=25)
54.6%
35.5 / 65
100.0%
−40
1 1 0 = = = 1 1 = = 0 1 = 0 1 0 0 1 = 1 1 1 = 0 0 0 0 = = 1 0 = = 1 0 1 = = = 1 1 0 1 = 1 1 0 0 = = = 0 = = = 1 0 0 1 1 = = = 1 1
–   Junior 20102917+24
−24		(−101)22 − 18
(+15−11=14)
55.0%
22.0 / 40
100.0%
−71
1 0 1 1 = 0 1 0 = 0 1 = = 0 0 1 1 1 = 0 = = = = 1 0 = 1 = 1 0 0 1 1 = 0 = = 1 1
–   Toga II 1.4 beta52914+21
−20		(−104)31 − 19
(+24−12=14)
62.0%
31.0 / 50
100.0%
−18
1 1 1 = = 0 = 0 1 1 1 = 0 = 1 1 1 0 1 = 0 0 1 1 1 1 = 0 1 = 0 = 1 1 1 1 1 = 0 = 0 1 1 = 1 0 1 0 = =
–   Toga II 3.1.2SE2911+19
−19		(−107)52 − 23
(+39−10=26)
69.3%
52.0 / 75
100.0%
+21
0 1 1 0 = = = 1 1 1 = 1 1 = = = = = 1 0 0 1 0 = 1 = = = 0 1 0 1 = 0 1 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 = 1
–   Deep Sjeng WC2008 32-bit 1CPU2909+34
−35		(−109)56.5 − 23.5
(+41−8=31)
70.6%
56.5 / 80
100.0%
+25
1 1 1 1 1 0 = 1 1 1 0 0 = = = = = = 0 1 1 = 0 = 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 0 =
–   Loop 10.32f2908+22
−22		(−110)14.5 − 5.5
(+10−1=9)		72.5%
14.5 / 20
100.0%
+26
0 = 1 = 1 1 = = 1 1 1 = = = 1 = 1 1 = 1
–   Hiarcs 11.12903+10
−10		(−115)27 − 9
(+22−4=10)
75.0%
27.0 / 36
100.0%
+61
= 1 = 1 1 0 1 1 1 1 0 1 = 1 0 = = 1 = 1 1 1 1 1 0 1 = = = = 1 1 1 1 1 1
–   Hiarcs 11.22901+15
−15		(−117)53.5 − 25.5
(+40−12=27)
67.7%
53.5 / 79
100.0%
0
1 = = 1 = 0 1 = 1 1 = 1 0 1 = 1 1 1 = = = 1 = 0 0 0 1 0 = 1 = 1 1 1 1 = 1 = 1 0 = = 1 1 1 0 = = = = 1 1 1 = = = 0 1 0 = 0 0 1 1 = = 1 1 = 1 1 1 1 1 1 1 1 1 1
–   Fritz 102895+13
−14		(−123)28.5 − 17.5
(+19−8=19)
62.0%
28.5 / 46
100.0%
−47
1 1 0 = 0 1 0 1 = = 0 = = = = 1 1 1 1 1 1 = = = 1 = = = 1 1 = = 0 0 1 0 1 = 1 1 1 = = = 1 0
–   Toga II 3.1.2SE TEHPon2893+22
−22		(−125)35 − 15
(+25−5=20)
70.0%
35.0 / 50
100.0%
+3
= 0 = 1 1 = 0 0 = = 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
–   Hiarcs 112891+12
−12		(−127)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Fruit 05/11/032883+12
−12		(−135)48.5 − 18.5
(+36−6=25)
72.4%
48.5 / 67
100.0%
+12
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 = 0 = = 1 1 1 1 1 0 = 1 1 1 0 1
–   Toga II 1.3.1 HT75 TEHPon2882+10
−10		(−136)32.5 − 15.5
(+20−3=25)
67.7%
32.5 / 48
100.0%
−32
1 = = = = 1 0 = 1 1 = = 1 = 1 = 1 = = = = = = 1 0 1 1 = = 1 1 1 = 1 1 = = = 1 1 0 = 1 = = = 1 1
–   Fruit 2.32879+15
−15		(−139)25.5 − 6.5
(+21−2=9)
79.7%
25.5 / 32
100.0%
+75
= = 1 1 0 1 = 1 = 1 1 1 1 = 1 1 1 1 1 1 0 1 1 = 1 = 1 = = 1 1 1
–   Fruit 061115b2879+27
−27		(−139)20.5 − 11.5
(+15−6=11)
64.1%
20.5 / 32
100.0%
−45
= = 1 0 1 = 0 1 1 = 1 1 = 0 = = = 1 = = 1 1 0 1 1 0 1 1 0 1 1 =
–   Loop 13.6 (Loop 2007) 32-bit2877+11
−11		(−141)35.5 − 11.5
(+27−3=17)
75.5%
35.5 / 47
100.0%
+31
= 0 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
–   Bright 0.4a2877+9
−9		(−141)8 − 3
(+6−1=4)		72.7%
8.0 / 11
100.0%
+15
1 = = 1 1 0 1 1 = 1 =
–   Fruit 061115a2876+28
−27		(−142)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−24
1 1 1 0 1 = = 1 1 1 = = 1 0 = = 1 1 0 1 1 = = = = = 1 1 = = 1 =
–   Naum 2.2 32-bit2872+13
−13		(−146)40.5 − 16.5
(+30−6=21)
71.1%
40.5 / 57
100.0%
−8
= 1 0 1 = = 1 0 1 = 1 1 1 = = 1 = 0 1 = 1 1 1 = 1 = 1 = = 1 1 = 0 1 = = = = 1 1 1 1 1 1 0 1 = 1 = 1 1 0 1 = 1 1 =
–   Deep Junior 10.1 2CPU2872+26
−26		(−146)15 − 5
(+12−2=6)		75.0%
15.0 / 20
100.0%
+25
= 0 = 1 1 1 1 1 = = = 1 1 0 1 = 1 1 1 1
–   Loop 13.5 32-bit2870+16
−16		(−148)35.5 − 12.5
(+26−3=19)
74.0%
35.5 / 48
100.0%
+4
1 1 = 1 1 = 1 1 = 1 1 = = = 1 1 = 1 1 1 1 = = 1 = 1 = 0 = 0 1 1 1 1 1 = 1 = = = 0 1 1 1 = = = 1
–   Toga II 1.3x42869+14
−14		(−149)14 − 6
(+9−1=10)		70.0%
14.0 / 20
100.0%
−28
1 = 1 1 = = 1 0 1 = 1 = 1 1 = = = = = 1
–   Toga II 1.4 beta4a2869+20
−20		(−149)25.5 − 6.5
(+20−1=11)
79.7%
25.5 / 32
100.0%
+54
0 1 = 1 1 1 = = 1 1 1 1 = 1 = 1 1 1 = 1 = 1 1 1 1 = 1 1 = = 1 =
–   Toga II 1.3.4 HT802867+20
−20		(−151)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Fruit 2.3.12864+21
−21		(−154)28 − 7
(+23−2=10)
80.0%
28.0 / 35
100.0%
+62
1 1 1 1 1 1 1 1 = = 1 = 1 0 1 0 1 1 1 1 1 = 1 1 1 1 1 = = = 1 1 = = =
–   Zappa Mexico 32-bit2852+19
−18		(−166)64.5 − 27.5
(+50−13=29)
70.1%
64.5 / 92
100.0%
−28
1 1 1 1 = 1 = = 1 0 1 1 1 1 1 1 0 = 0 = 0 1 0 1 = 1 0 1 = 1 = 1 = 1 1 1 = = 1 1 = 1 = 1 = = 0 1 1 1 0 1 = 1 1 = 0 = = 1 = = 0 1 = 1 1 1 = = 1 = 1 1 0 = 1 0 1 = 1 1 1 = 1 1 1 1 = 0 1 1
–   Shredder 102852+21
−21		(−166)17 − 3
(+15−1=4)		85.0%
17.0 / 20
100.0%
+110
1 = 1 1 1 = 1 1 1 1 1 = = 1 1 1 1 1 1 0
–   Fruit Beta X12852+27
−27		(−166)24.5 − 7.5
(+20−3=9)
76.6%
24.5 / 32
100.0%
+22
1 = 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 = = 0 1 1 1 1 1 = 1 0 = 0 = 1
–   Thinker 5.1c Passive 32-bit2849+33
−32		(−169)25 − 7
(+20−2=10)
78.1%
25.0 / 32
100.0%
+26
1 = = 1 1 0 1 1 = 1 1 1 1 1 1 = 1 = 1 = = 1 0 = 1 1 1 1 = 1 = 1
–   Zap!Chess Zanzibar 32-bit2848+34
−34		(−170)14 − 6
(+10−2=8)		70.0%
14.0 / 20
100.0%
−43
= 1 1 0 0 = 1 = 1 1 1 = 1 = 1 1 = = = 1
–   Glaurung 2.2 32-bit2842+38
−39		(−176)57.5 − 22.5
(+47−12=21)
71.9%
57.5 / 80
100.0%
−21
1 1 1 1 = 1 = = 0 0 1 1 1 1 1 1 1 0 = = = 0 1 = 1 = 1 0 = 1 = 1 1 1 1 0 = 0 1 = 1 = = 0 1 1 0 1 = 1 1 1 = 1 0 1 1 1 1 1 0 = 1 1 1 1 1 1 = = 1 1 1 1 = 1 1 0 = 1
–   Junior 102839+20
−20		(−179)17 − 3
(+15−1=4)		85.0%
17.0 / 20
100.0%
+100
1 1 = 1 = = = 1 1 1 1 1 1 1 1 0 1 1 1 1
–   Hiarcs 102836+14
−14		(−182)17 − 3
(+16−2=2)		85.0%
17.0 / 20
100.0%
+125
1 = 1 1 0 1 0 1 1 1 1 1 1 1 1 1 = 1 1 1
–   Naum 2.1 32-bit2834+12
−12		(−184)24.5 − 8.5
(+19−3=11)
74.2%
24.5 / 33
100.0%
−17
1 1 = 1 = 1 0 1 = 1 1 1 1 0 = 0 1 1 1 = 1 1 1 = = = 1 = 1 = 1 = 1
–   Bright 0.3a2834+31
−32		(−184)4.5 − 0.5
(+4−0=1)		90.0%
4.5 / 5
100.0%
+139
1 1 1 1 =
–   Spike 1.2 Turin2827+5
−5		(−191)28 − 8
(+21−1=14)
77.8%
28.0 / 36
100.0%
−7
= = 1 1 1 1 1 = 0 1 = = 1 1 = 1 1 1 = 1 1 = = = = 1 = 1 1 1 = 1 1 = 1 1
–   Chess Tiger 2007.12818+8
−8		(−200)16.5 − 3.5
(+13−0=7)		82.5%
16.5 / 20
100.0%
+22
= 1 1 1 1 1 1 = = = 1 1 1 1 = = 1 = 1 1
–   Naum 2.0 32-bit2799+7
−8		(−219)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Glaurung 2-epsilon/5 32-bit2792+39
−39		(−226)37.5 − 12.5
(+31−6=13)
75.0%
37.5 / 50
100.0%
−46
= 1 1 1 1 1 0 1 = 0 1 1 1 1 1 1 1 1 1 = 1 = 0 = = 1 1 1 0 1 1 = 1 0 1 = 1 1 = = = = 1 1 1 0 1 1 = 1
–   Bright 0.2c2787+13
−13		(−231)44 − 8
(+39−3=10)
84.6%
44.0 / 52
100.0%
+44
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 1 1 1 1 1 1 = 0 1 1 1 1 = 1 1
–   Bright 0.2b2784+28
−28		(−234)9.5 − 2.5
(+7−0=5)		79.2%
9.5 / 12
100.0%
−45
1 1 1 = = 1 1 = 1 = = 1
–   Alaric 7072760+8
−8		(−258)13 − 2
(+11−0=4)		86.7%
13.0 / 15
100.0%
+17
1 1 1 = 1 = = 1 1 1 1 1 1 1 =
–   Glaurung 1.2.1 32-bit2757+8
−8		(−261)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+42
1 1 1 =
–   CM10th Paralyse2756+12
−12		(−262)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Scorpio 2.0 32-bit2747+10
−10		(−271)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−113
= 1
–   CM10th Xperience2740+11
−11		(−278)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
1 1 1
–   Scorpio 1.9 (egbb tbc)2728+14
−14		(−290)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
−71
0 1 1 1
–   Slow Chess Blitz WV2.12713+7
−7		(−305)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−86
1 1 =
–   Colossus 2007d2712+12
−12		(−306)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−78
1 = 1
–   Delfi 5.22711+10
−10		(−307)1.5 − 1.5
(+1−1=1)		50.0%
1.5 / 3
100.0%
−291
1 0 =
–   WildCat 72703+9
−9		(−315)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−315
1 0
–   Pharaon 3.5.12700+10
−10		(−318)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
1 1 1
1893 games: 961 wins, 274 losses, 658 draws (34.8%), score: 68.1%

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Rybka 2.3.2a 32-bit
played with current
participants of this list		Represented by
1-2-CPU    130Rybka 3 64-bit 2CPU
32-bit#3-43008313itself
32-bit 1-2-CPU#42999266itself
32-bit single-CPU#23021397itself
All    77Rybka 4 TC3100150 64-bit 4CPU
Free    104Rybka 2.2n2 64-bit 4CPU
Free 1-2-CPU    116Rybka 2.3.2a 64-bit
Free 32-bit    104Rybka 1.0 Beta 32-bit
Free 32-bit 1-2-CPU    108Rybka 1.0 Beta 32-bit
Free 32-bit single-CPU    111Rybka 1.0 Beta 32-bit
Free single-CPU    119Rybka 2.3.2a 64-bit
Single-CPU    139Rybka 4 TC390140 64-bit
Created in 2005-2008 by CCRL team
Last games added on August 28, 2010