CCRL 40/15
Downloads and Statistics
November 21, 2020
Testing summary:
Total: 1'192'510 games
played by 2'742 programs

White wins: 410'546 (34.4%)
Black wins: 302'898 (25.4%)
Draws: 479'066 (40.2%)
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 13.01.082650+13
−13
(+457)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Petir 4.9999992579+15
−15
(+386)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Anatoli 0.35k2476+16
−16
(+283)0.5 − 5.5
(+0−5=1)
8.3%
0.5 / 6
0.0%
−79
–   Queen 4.032410+18
−18
(+217)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+186
–   iCE 0.22372+19
−19
(+179)5.5 − 18.5
(+5−18=1)
22.9%
5.5 / 24
0.0%
−61
–   Pupsi 0.192367+34
−34
(+174)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+17
–   Flux 2.2.12358+21
−21
(+165)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+165
–   Counter 0.82353+32
−32
(+160)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   LittleThought 1.03 32-bit2340+21
−21
(+147)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Rodin 2.3a2340+24
−25
(+147)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Daydreamer 1.52336+22
−22
(+143)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
0.0%
+157
–   nanoSzachy 3.12331+33
−33
(+138)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Dirty 0.99n2322+30
−30
(+129)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−20
–   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
–   Sjakk 1.1.82303+24
−24
(+110)12 − 12
(+10−10=4)
50.0%
12.0 / 24
0.0%
+110
–   Joker 1.1.142302+19
−19
(+109)5 − 7
(+4−6=2)
41.7%
5.0 / 12
0.0%
+46
–   Natwarlal 0.142300+19
−19
(+107)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+21
–   Popochin 3.22297+18
−18
(+104)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−38
–   Natwarlal 0.122293+34
−34
(+100)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−75
–   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
–   Brutus 5.42280+34
−34
(+87)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+92
–   Matilde 2008 32-bit2274+34
−34
(+81)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−61
–   Cheese 1.22262+34
−34
(+69)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+211
–   Waxman 20092254+20
−20
(+61)4 − 8
(+1−5=6)
33.3%
4.0 / 12
0.0%
−38
–   AliChess 4.192246+31
−31
(+53)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.2%
+145
–   AliChess 4.182243+32
−33
(+50)3 − 5
(+1−3=4)
37.5%
3.0 / 8
0.4%
−24
–   Feuerstein 0.4.6.12239+19
−19
(+46)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.1%
−21
–   Gibbon 2.42c2225+26
−26
(+32)8.5 − 9.5
(+6−7=5)
47.2%
8.5 / 18
2.3%
+11
–   Myrddin 0.85 64-bit2220+27
−27
(+27)15.5 − 8.5
(+15−8=1)
64.6%
15.5 / 24
5.5%
+153
–   Uralochka 1.1b2219+18
−18
(+26)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
2.8%
+68
–   FireFly 2.5.12 64-bit2218+37
−37
(+25)11 − 13
(+11−13=0)
45.8%
11.0 / 24
11.3%
−12
–   Gibbon 2.52a2217+16
−16
(+24)12.5 − 13.5
(+7−8=11)
48.1%
12.5 / 26
2.8%
+16
–   GarboChess 0.212216+34
−34
(+23)5.5 − 12.5
(+4−11=3)
30.6%
5.5 / 18
12.3%
−125
–   AliChess 4.162215+34
−34
(+22)6 − 6
(+4−4=4)
50.0%
6.0 / 12
13.6%
+14
–   DoubleCheck 2.3.1 64-bit2215+35
−35
(+22)13 − 11
(+11−9=4)
54.2%
13.0 / 24
13.0%
+55
–   ZCT 0.3.24512211+27
−27
(+18)5 − 7
(+3−5=4)
41.7%
5.0 / 12
14.0%
−41
–   Atlas 2.202209+34
−34
(+16)4 − 4
(+2−2=4)
50.0%
4.0 / 8
20.1%
+10
–   Neurosis 2.52207+17
−17
(+14)12.5 − 13.5
(+7−8=11)
48.1%
12.5 / 26
12.8%
+2
–   ChessAlex 2.0r42204+20
−20
(+11)7 − 3
(+6−2=2)
70.0%
7.0 / 10
22.4%
+161
–   BlackBishop 1.02203+19
−18
(+10)5 − 3
(+4−2=2)
62.5%
5.0 / 8
23.3%
+100
–   RattateChess Bologna 20072202+25
−25
(+9)6.5 − 17.5
(+2−13=9)
27.1%
6.5 / 24
28.1%
−140
–   Alf 1.092196+23
−23
(+3)9 − 13
(+5−9=8)
40.9%
9.0 / 22
41.2%
−58
–   AliChess 4.082196+32
−32
(+3)1 − 1
(+1−1=0)
50.0%
1.0 / 2
42.8%
+3
–   Glass 0.1.0c2190+33
−33
(−3)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
55.4%
−98
–   EveAnn 1.632189+34
−34
(−4)4 − 4
(+3−3=2)
50.0%
4.0 / 8
58.0%
−10
–   Neurosis 2.42188+31
−31
(−5)12 − 16
(+7−11=10)
42.9%
12.0 / 28
59.2%
−49
–   Mediocre 0.342188+27
−27
(−5)6.5 − 6.5
(+4−4=5)
50.0%
6.5 / 13
61.6%
−5
–   Amundsen 0.65.12188+34
−34
(−5)3.5 − 7.5
(+3−7=1)
31.8%
3.5 / 11
58.1%
−157
–   Feuerstein 0.4.5.22188+37
−37
(−5)4 − 2
(+4−2=0)
66.7%
4.0 / 6
58.4%
+144
–   NagaSkaki 5.122187+17
−17
(−6)16.5 − 12.5
(+12−8=9)
56.9%
16.5 / 29
65.9%
+39
–   Alex 2.032185+30
−30
(−8)16 − 16
(+12−12=8)
50.0%
16.0 / 32
66.6%
−10
–   Lime 662183+17
−17
(−10)10 − 10
(+7−7=6)
50.0%
10.0 / 20
77.6%
−12
–   BlackBishop 0.472182+34
−34
(−11)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
70.1%
+107
–   Atak 6.52182+25
−25
(−11)13.5 − 12.5
(+9−8=9)
51.9%
13.5 / 26
75.3%
−1
–   Hamsters 0.0.62179+24
−24
(−14)2 − 4
(+2−4=0)
33.3%
2.0 / 6
80.7%
−163
–   Feuerstein 0.4.62176+38
−38
(−17)3 − 1
(+3−1=0)
75.0%
3.0 / 4
78.1%
+217
–   Sungorus 1.22174+26
−26
(−19)8.5 − 7.5
(+6−5=5)
53.1%
8.5 / 16
86.1%
−2
–   NG-Play 9.86 64-bit2172+22
−23
(−21)1 − 0
(+1−0=0)
100.0%
1.0 / 1
91.3%
+INF
–   Pawny 0.132171+32
−32
(−22)1 − 1
(+1−1=0)
50.0%
1.0 / 2
86.8%
−22
–   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
–   ProChess 1.02AD2164+19
−19
(−29)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.7%
+INF
–   Chesley r323 64-bit2163+22
−22
(−30)0 − 1
(+0−1=0)
0.0%
0.0 / 1
97.3%
−INF
–   Bearded 06_292158+31
−31
(−35)6.5 − 7.5
(+5−6=3)
46.4%
6.5 / 14
96.9%
−63
–   OliThink 5.1.92158+30
−30
(−35)12 − 6
(+11−5=2)
66.7%
12.0 / 18
97.3%
+96
–   Mediocre 0.3342151+32
−32
(−42)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
98.5%
−166
–   Atak 6.02149+34
−34
(−44)1 − 1
(+1−1=0)
50.0%
1.0 / 2
98.4%
−44
–   Waxman 20082140+22
−22
(−53)6 − 2
(+6−2=0)
75.0%
6.0 / 8
100.0%
+182
–   Prophet 2.0 32-bit2138+19
−19
(−55)12.5 − 11.5
(+11−10=3)
52.1%
12.5 / 24
100.0%
−39
–   Parrot 07.07.222137+19
−19
(−56)4 − 6
(+3−5=2)
40.0%
4.0 / 10
100.0%
−129
–   Adam 3.22136+24
−24
(−57)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+178
–   Parrot 07.01.162136+31
−31
(−57)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
–   TJchess 0.1212135+19
−19
(−58)13.5 − 10.5
(+10−7=7)
56.3%
13.5 / 24
100.0%
−14
–   Bearded 06_29_022131+25
−25
(−62)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Clarabit 1.00 32-bit2117+22
−22
(−76)13 − 9
(+10−6=6)
59.1%
13.0 / 22
100.0%
−10
–   Adam 3.12110+24
−24
(−83)5 − 1
(+4−0=2)
83.3%
5.0 / 6
100.0%
+144
–   Lime 622106+28
−28
(−87)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+55
–   FireFly 2.5.6 32-bit2089+22
−22
(−104)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
100.0%
−58
–   BikJump 2.01 32-bit2085+17
−18
(−108)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
+42
–   Atak 6.22081+36
−36
(−112)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−16
–   Feuerstein 0.4.5.12080+38
−38
(−113)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−113
–   Buzz 0.072080+28
−27
(−113)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+44
–   Sjakk 1.1.62068+30
−31
(−125)16 − 8
(+15−7=2)
66.7%
16.0 / 24
100.0%
+11
–   BigLion 2.23x2067+12
−12
(−126)8 − 4
(+5−1=6)
66.7%
8.0 / 12
100.0%
−29
–   BikJump 1.8 32-bit2061+34
−34
(−132)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+24
–   ZCT 0.3.25002050+32
−32
(−143)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+13
–   Gibbon 2.01b2049+29
−29
(−144)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
100.0%
−286
–   KMTChess 1.1 32-bit2048+33
−33
(−145)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Mustang 4.972045+26
−26
(−148)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−148
–   Matheus 2.32043+23
−23
(−150)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+7
–   Alex 1.962016+32
−32
(−177)4.5 − 2.5
(+3−1=3)
64.3%
4.5 / 7
100.0%
−83
–   Kurt 2710091999+32
−32
(−194)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−37
–   Heracles 0.6.161983+19
−19
(−210)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−210
–   Smash 1.0.31952+26
−26
(−241)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on November 21, 2020