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
OBender 3.2.4.2 (2193+20
−20		)Quote
Author: Evgeniy Korniloff (Russia) Link: Homepage
This program was previously called "QChess".
This is one of the 4 OBender versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   E.T. Chess 13.01.082649+13
−13		(+456)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Petir 4.9999992579+15
−15		(+386)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Anatoli 0.35k2475+16
−16		(+282)0.5 − 5.5
(+0−5=1)		8.3%
0.5 / 6
0.0%
−80
0 0 0 0 0 =
–   Queen 4.032411+18
−18		(+218)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+187
=
–   iCE 0.22372+19
−19		(+179)5.5 − 18.5
(+5−18=1)		22.9%
5.5 / 24
0.0%
−61
0 0 = 0 0 1 0 1 1 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0
–   Pupsi 0.192367+34
−34		(+174)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+17
= 0
–   Flux 2.2.12358+21
−21		(+165)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+165
1 0
–   Counter 0.82353+32
−32		(+160)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   LittleThought 1.03 32-bit2340+21
−21		(+147)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Rodin 2.3a2340+25
−25		(+147)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Daydreamer 1.52336+22
−22		(+143)1.5 − 1.5
(+1−1=1)		50.0%
1.5 / 3
0.0%
+157
1 = 0
–   nanoSzachy 3.12331+33
−33		(+138)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Dirty 0.99n2322+30
−30		(+129)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−20
= 0 0 =
–   Cheese 1.32309+17
−17		(+116)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+85
=
–   Popochin 3.12304+34
−34		(+111)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+267
= 1
–   Sjakk 1.1.82303+24
−24		(+110)12 − 12
(+10−10=4)		50.0%
12.0 / 24
0.0%
+110
0 1 = = 1 0 0 0 1 0 1 1 0 1 1 1 = 1 0 = 1 0 0 0
–   Joker 1.1.142302+19
−19		(+109)5 − 7
(+4−6=2)		41.7%
5.0 / 12
0.0%
+46
1 0 = 0 1 0 0 0 1 = 1 0
–   Natwarlal 0.142299+19
−19		(+106)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+20
= 0 0 1
–   Popochin 3.22297+18
−18		(+104)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−38
0 =
–   Natwarlal 0.122293+34
−34		(+100)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−75
1 0 0 = 0 0 0 =
–   Rodin 2.1h2284+30
−30		(+91)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+60
=
–   Bison 8.2.4r2282+26
−26		(+89)2 − 4
(+1−3=2)		33.3%
2.0 / 6
0.0%
−23
= 0 1 0 = 0
–   Brutus 5.42280+34
−34		(+87)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+92
0 = = = 1 0 = 1
–   Matilde 2008 32-bit2274+34
−34		(+81)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−61
0 =
–   Cheese 1.22262+34
−34		(+69)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+211
1 =
–   Waxman 20092254+20
−20		(+61)4 − 8
(+1−5=6)		33.3%
4.0 / 12
0.0%
−38
0 = 0 = 0 = = 0 = 0 = 1
–   AliChess 4.192247+31
−31		(+54)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.2%
+146
1 1 = 0
–   AliChess 4.182243+32
−32		(+50)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.4%
−24
= 0 0 1 = = = 0
–   Feuerstein 0.4.6.12239+19
−19		(+46)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
−21
0 = = =
–   Gibbon 2.42c2225+26
−26		(+32)8.5 − 9.5
(+6−7=5)		47.2%
8.5 / 18
2.3%
+11
1 0 0 0 1 1 0 = = 0 = 1 1 1 0 = = 0
–   Myrddin 0.85 64-bit2220+27
−27		(+27)15.5 − 8.5
(+15−8=1)		64.6%
15.5 / 24
5.5%
+153
0 1 1 1 1 0 1 1 1 0 = 0 0 0 1 1 0 1 1 1 1 1 0 1
–   Uralochka 1.1b2219+18
−18		(+26)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
2.7%
+68
= 0 1 1 1 0 1 0 0 1
–   FireFly 2.5.12 64-bit2218+37
−37		(+25)11 − 13
(+11−13=0)		45.8%
11.0 / 24
11.3%
−12
1 0 0 0 1 0 1 0 1 0 0 0 1 0 0 1 1 0 0 1 1 1 0 1
–   Gibbon 2.52a2217+16
−16		(+24)12.5 − 13.5
(+7−8=11)		48.1%
12.5 / 26
2.7%
+16
1 = 0 1 0 = = 0 0 1 = = = = = 0 = 1 0 1 1 1 = 0 0 =
–   GarboChess 0.212216+34
−34		(+23)5.5 − 12.5
(+4−11=3)		30.6%
5.5 / 18
12.2%
−125
0 0 0 0 = 1 0 1 = 0 1 0 1 = 0 0 0 0
–   DoubleCheck 2.3.1 64-bit2216+34
−34		(+23)13 − 11
(+11−9=4)		54.2%
13.0 / 24
12.5%
+56
1 1 0 1 = 0 0 = 0 1 0 1 = 0 1 1 1 0 0 1 = 1 0 1
–   AliChess 4.162215+34
−34		(+22)6 − 6
(+4−4=4)		50.0%
6.0 / 12
13.6%
+14
0 = 0 1 = 0 = 1 = 1 1 0
–   ZCT 0.3.24512211+27
−27		(+18)5 − 7
(+3−5=4)		41.7%
5.0 / 12
13.8%
−41
= = 0 = 1 1 0 = 0 1 0 0
–   Atlas 2.202209+34
−34		(+16)4 − 4
(+2−2=4)		50.0%
4.0 / 8
20.0%
+10
= 1 1 = = 0 0 =
–   Neurosis 2.52207+17
−17		(+14)12.5 − 13.5
(+7−8=11)		48.1%
12.5 / 26
12.8%
+2
= 0 0 0 = 0 1 1 = = = = 1 0 = 1 = 0 0 = = 0 1 1 1 =
–   ChessAlex 2.0r42204+20
−20		(+11)7 − 3
(+6−2=2)		70.0%
7.0 / 10
22.4%
+161
0 1 1 1 1 1 0 = = 1
–   BlackBishop 1.02203+19
−19		(+10)5 − 3
(+4−2=2)		62.5%
5.0 / 8
23.1%
+100
1 1 0 = = 1 0 1
–   RattateChess Bologna 20072202+25
−25		(+9)6.5 − 17.5
(+2−13=9)		27.1%
6.5 / 24
28.0%
−140
0 0 = = = 0 = = 0 0 0 0 = 0 1 = 1 0 0 0 0 = 0 =
–   AliChess 4.082196+32
−32		(+3)1 − 1
(+1−1=0)		50.0%
1.0 / 2
42.3%
+3
0 1
–   Alf 1.092196+23
−23		(+3)9 − 13
(+5−9=8)		40.9%
9.0 / 22
41.0%
−58
1 0 1 0 = = = = 0 = 0 0 0 = 1 = 0 1 1 0 = 0
–   Glass 0.1.0c2190+33
−33		(−3)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
55.6%
−98
= 0 1 0
–   EveAnn 1.632189+34
−34		(−4)4 − 4
(+3−3=2)		50.0%
4.0 / 8
57.7%
−10
0 0 0 1 = 1 1 =
–   Mediocre 0.342188+27
−27		(−5)6.5 − 6.5
(+4−4=5)		50.0%
6.5 / 13
61.6%
−5
= 0 = 1 = 0 1 0 0 1 = 1 =
–   Neurosis 2.42188+31
−31		(−5)12 − 16
(+7−11=10)		42.9%
12.0 / 28
59.2%
−49
0 0 = = = = 1 0 1 0 = = 1 1 0 = 1 0 1 0 1 0 0 = 0 0 = =
–   Amundsen 0.65.12188+34
−34		(−5)3.5 − 7.5
(+3−7=1)		31.8%
3.5 / 11
58.1%
−157
1 0 = 0 0 0 0 1 0 0 1
–   Feuerstein 0.4.5.22188+37
−37		(−5)4 − 2
(+4−2=0)		66.7%
4.0 / 6
58.2%
+144
0 1 1 1 0 1
–   NagaSkaki 5.122187+17
−17		(−6)16.5 − 12.5
(+12−8=9)		56.9%
16.5 / 29
66.4%
+39
1 1 = 1 1 0 = 0 0 = 1 = = 0 = 1 0 1 1 = 1 0 0 1 1 = 1 = 0
–   Alex 2.032185+30
−30		(−8)16 − 16
(+12−12=8)
50.0%
16.0 / 32
66.5%
−10
0 = 1 1 1 = 0 1 0 1 1 0 0 1 0 1 0 = = 0 = 1 1 = 0 1 0 0 1 = 0 =
–   Lime 662183+17
−17		(−10)10 − 10
(+7−7=6)		50.0%
10.0 / 20
77.4%
−12
0 = = = 0 1 0 1 = 1 1 = 1 1 0 0 = 0 0 1
–   Atak 6.52182+25
−25		(−11)13.5 − 12.5
(+9−8=9)		51.9%
13.5 / 26
75.2%
−1
= = 0 0 = 1 = 1 1 0 1 1 1 0 = = 0 1 1 0 = 0 = = 1 0
–   BlackBishop 0.472182+34
−34		(−11)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
70.1%
+107
1 0 1 = = = 1 1
–   Hamsters 0.0.62179+24
−24		(−14)2 − 4
(+2−4=0)		33.3%
2.0 / 6
80.7%
−163
1 0 0 0 0 1
–   Feuerstein 0.4.62176+38
−38		(−17)3 − 1
(+3−1=0)		75.0%
3.0 / 4
78.1%
+217
1 1 1 0
–   Sungorus 1.22174+26
−26		(−19)8.5 − 7.5
(+6−5=5)		53.1%
8.5 / 16
86.2%
−2
0 1 = = 1 = 0 1 = 1 0 = 1 1 0 0
–   NG-Play 9.86 64-bit2171+22
−23		(−22)1 − 0
(+1−0=0)		100.0%
1.0 / 1
91.4%
+INF
1
–   Pawny 0.132171+32
−32		(−22)1 − 1
(+1−1=0)		50.0%
1.0 / 2
86.9%
−22
0 1
–   Kurt 0.9.2.2 64-bit2166+21
−21		(−27)13.5 − 11.5
(+12−10=3)		54.0%
13.5 / 25
96.3%
+6
1 0 1 1 0 0 1 1 0 1 1 = 1 0 = 0 1 1 0 0 0 1 0 1 =
–   ProChess 1.02AD2164+19
−19		(−29)1 − 0
(+1−0=0)		100.0%
1.0 / 1
97.8%
+INF
1
–   Chesley r323 64-bit2163+22
−22		(−30)0 − 1
(+0−1=0)		0.0%
0.0 / 1
97.4%
−INF
0
–   Bearded 06_292158+31
−31		(−35)6.5 − 7.5
(+5−6=3)		46.4%
6.5 / 14
96.9%
−63
= 1 0 0 0 0 = 0 1 0 = 1 1 1
–   OliThink 5.1.92158+30
−30		(−35)12 − 6
(+11−5=2)		66.7%
12.0 / 18
97.2%
+96
1 1 0 1 = 1 0 1 1 1 0 1 0 = 1 1 0 1
–   Mediocre 0.3342151+32
−32		(−42)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
98.5%
−166
0 = 0 1 0 0 1 0 1 0
–   Atak 6.02149+34
−34		(−44)1 − 1
(+1−1=0)		50.0%
1.0 / 2
98.4%
−44
0 1
–   Waxman 20082140+22
−22		(−53)6 − 2
(+6−2=0)		75.0%
6.0 / 8
100.0%
+182
1 0 1 1 1 0 1 1
–   Prophet 2.0 32-bit2138+19
−19		(−55)12.5 − 11.5
(+11−10=3)		52.1%
12.5 / 24
100.0%
−39
1 0 1 0 0 1 0 0 1 0 1 1 0 = 0 1 = 1 1 1 = 0 0 1
–   Parrot 07.07.222136+19
−19		(−57)4 − 6
(+3−5=2)		40.0%
4.0 / 10
100.0%
−130
= 1 0 0 0 0 1 1 = 0
–   Adam 3.22136+24
−24		(−57)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+178
1 1 0 1
–   Parrot 07.01.162136+31
−31		(−57)2 − 0
(+2−0=0)		100.0%
2.0 / 2
99.9%
+INF
1 1
–   TJchess 0.1212135+19
−19		(−58)13.5 − 10.5
(+10−7=7)		56.3%
13.5 / 24
100.0%
−14
1 1 0 1 1 1 = 1 = 0 0 0 1 0 1 = 1 1 0 = = = = 0
–   Bearded 06_29_022131+25
−25		(−62)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Clarabit 1.00 32-bit2117+22
−22		(−76)13 − 9
(+10−6=6)		59.1%
13.0 / 22
100.0%
−10
0 0 = = 1 1 1 1 1 1 0 = = = 0 0 0 1 1 = 1 1
–   Adam 3.12110+24
−24		(−83)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+144
1 1 1 = 1 =
–   Lime 622106+28
−28		(−87)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+55
= = 1 1
–   FireFly 2.5.6 32-bit2089+22
−22		(−104)4.5 − 3.5
(+4−3=1)		56.3%
4.5 / 8
100.0%
−58
1 = 0 0 1 0 1 1
–   BikJump 2.01 32-bit2085+17
−18		(−108)6 − 2
(+4−0=4)		75.0%
6.0 / 8
100.0%
+42
= 1 1 = = = 1 1
–   Feuerstein 0.4.5.12080+38
−38		(−113)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−113
= =
–   Atak 6.22080+36
−36		(−113)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−17
1 0 = 1
–   Buzz 0.072080+27
−27		(−113)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+44
= 1
–   Sjakk 1.1.62068+30
−31		(−125)16 − 8
(+15−7=2)		66.7%
16.0 / 24
100.0%
+11
1 = 1 1 1 0 1 0 1 1 0 1 1 1 1 1 1 0 1 1 0 = 0 0
–   BigLion 2.23x2067+12
−12		(−126)8 − 4
(+5−1=6)		66.7%
8.0 / 12
100.0%
−29
1 1 = 1 = = 1 = = 0 1 =
–   BikJump 1.8 32-bit2061+34
−34		(−132)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+24
1 =
–   ZCT 0.3.25002050+32
−32		(−143)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+13
= 1
–   Gibbon 2.01b2049+29
−29		(−144)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−286
0 =
–   KMTChess 1.1 32-bit2048+33
−33		(−145)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Mustang 4.972045+26
−26		(−148)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−148
= = 0 1
–   Matheus 2.32043+23
−23		(−150)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+7
1 = 1 =
–   Alex 1.962015+32
−32		(−178)4.5 − 2.5
(+3−1=3)		64.3%
4.5 / 7
100.0%
−84
1 = = 1 = 0 1
–   Kurt 2710091999+32
−32		(−194)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−37
1 =
–   Heracles 0.6.161983+19
−19		(−210)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−210
0 1
–   Smash 1.0.31951+26
−26		(−242)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
904 games: 337 wins, 338 losses, 229 draws (25.3%), score: 49.9%

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