CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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OBender 3.2.4.2 (2138+18
−18		)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 13.01.082644+11
−11		(+506)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Petir 4.9999992567+13
−13		(+429)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Anatoli 0.35k2449+14
−14		(+311)0.5 − 5.5
(+0−5=1)		8.3%
0.5 / 6
0.0%
−42
–   Queen 4.032376+15
−15		(+238)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+203
–   iCE 0.22336+16
−16		(+198)5.5 − 18.5
(+5−18=1)		22.9%
5.5 / 24
0.0%
−52
–   Pupsi 0.192328+29
−29		(+190)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+19
–   Flux 2.2.1 64-bit2321+18
−18		(+183)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+182
–   Counter 0.82303+25
−25		(+165)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Rodin 2.3a2301+21
−21		(+163)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   LittleThought 1.03 32-bit2300+18
−18		(+162)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Daydreamer 1.52297+19
−19		(+159)1.5 − 1.5
(+1−1=1)		50.0%
1.5 / 3
0.0%
+175
–   Dirty 0.99n2285+26
−26		(+147)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−19
–   nanoSzachy 3.12279+26
−26		(+141)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Cheese 1.32267+15
−15		(+129)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+94
–   Sjakk 1.1.82263+21
−21		(+125)12 − 12
(+10−10=4)		50.0%
12.0 / 24
0.0%
+125
–   Joker 1.1.142259+16
−16		(+121)5 − 7
(+4−6=2)		41.7%
5.0 / 12
0.0%
+49
–   Natwarlal 0.142256+16
−16		(+118)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+13
–   Popochin 3.22253+15
−15		(+115)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−47
–   Popochin 3.12246+28
−28		(+108)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+278
–   Brutus 5.42242+27
−27		(+104)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+109
–   Bison 8.2.4r2239+23
−23		(+101)2 − 4
(+1−3=2)		33.3%
2.0 / 6
0.0%
−29
–   Rodin 2.1h2239+26
−26		(+101)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+66
–   Natwarlal 0.122236+29
−29		(+98)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−92
–   Cheese 1.22233+28
−28		(+95)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+256
–   Matilde 2008 32-bit2225+28
−28		(+87)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−74
–   Waxman 20092206+18
−18		(+68)4 − 8
(+1−5=6)		33.3%
4.0 / 12
0.0%
−47
–   AliChess 4.192197+27
−27		(+59)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+160
–   AliChess 4.182195+28
−28		(+57)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.0%
−31
–   Feuerstein 0.4.6.12190+17
−17		(+52)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
−25
–   Gibbon 2.42c2174+23
−23		(+36)8.5 − 9.5
(+6−7=5)		47.2%
8.5 / 18
0.5%
+11
–   FireFly 2.5.12 64-bit2169+33
−33		(+31)11 − 13
(+11−13=0)		45.8%
11.0 / 24
4.7%
−14
–   Myrddin 0.85 64-bit2169+24
−24		(+31)15.5 − 8.5
(+15−8=1)		64.6%
15.5 / 24
1.7%
+172
–   Gibbon 2.52a2167+15
−15		(+29)12.5 − 13.5
(+7−8=11)		48.1%
12.5 / 26
0.5%
+19
–   DoubleCheck 2.3.1 64-bit2167+29
−29		(+29)13 − 11
(+11−9=4)		54.2%
13.0 / 24
4.6%
+67
–   Uralochka 1.1b2166+16
−16		(+28)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
0.9%
+75
–   AliChess 4.162166+29
−29		(+28)6 − 6
(+4−4=4)		50.0%
6.0 / 12
5.4%
+19
–   Atlas 2.202164+29
−29		(+26)4 − 4
(+2−2=4)		50.0%
4.0 / 8
6.9%
+20
–   ZCT 0.3.24512161+24
−24		(+23)5 − 7
(+3−5=4)		41.7%
5.0 / 12
6.2%
−46
–   Neurosis 2.52156+15
−15		(+18)12.5 − 13.5
(+7−8=11)		48.1%
12.5 / 26
6.0%
+4
–   GarboChess 0.212155+29
−29		(+17)5.5 − 12.5
(+4−11=3)		30.6%
5.5 / 18
16.7%
−148
–   ChessAlex 2.0r42151+18
−18		(+13)7 − 3
(+6−2=2)		70.0%
7.0 / 10
14.8%
+179
–   RattateChess Bologna 20072151+22
−22		(+13)6.5 − 17.5
(+2−13=9)		27.1%
6.5 / 24
18.4%
−153
–   BlackBishop 1.02150+17
−17		(+12)5 − 3
(+4−2=2)		62.5%
5.0 / 8
15.6%
+120
–   Alf 1.092143+21
−21		(+5)9 − 13
(+5−9=8)		40.9%
9.0 / 22
36.9%
−66
–   AliChess 4.082141+28
−28		(+3)1 − 1
(+1−1=0)		50.0%
1.0 / 2
44.1%
+2
–   EveAnn 1.632139+29
−29		(+1)4 − 4
(+3−3=2)		50.0%
4.0 / 8
48.1%
−5
–   Glass 0.1.0c2137+30
−30		(−1)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
52.8%
−112
–   NagaSkaki 5.122135+15
−15		(−3)16.5 − 12.5
(+12−8=9)		56.9%
16.5 / 29
60.7%
+51
–   Mediocre 0.342134+23
−23		(−4)6.5 − 6.5
(+4−4=5)		50.0%
6.5 / 13
61.8%
−4
–   Alex 2.032131+27
−27		(−7)16 − 16
(+12−12=8)
50.0%
16.0 / 32
67.9%
−10
–   Lime 662131+15
−15		(−7)10 − 10
(+7−7=6)		50.0%
10.0 / 20
73.9%
−9
–   BlackBishop 0.472130+30
−30		(−8)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
67.4%
+125
–   Amundsen 0.65.12126+31
−31		(−12)3.5 − 7.5
(+3−7=1)		31.8%
3.5 / 11
75.1%
−179
–   Atak 6.52125+22
−22		(−13)13.5 − 12.5
(+9−8=9)		51.9%
13.5 / 26
82.1%
−1
–   Neurosis 2.42125+29
−29		(−13)12 − 16
(+7−11=10)		42.9%
12.0 / 28
79.3%
−65
–   Hamsters 0.0.62124+21
−21		(−14)2 − 4
(+2−4=0)		33.3%
2.0 / 6
85.3%
−180
–   Sungorus 1.22120+23
−23		(−18)8.5 − 7.5
(+6−5=5)		53.1%
8.5 / 16
90.1%
+1
–   Pawny 0.132116+28
−28		(−22)1 − 1
(+1−1=0)		50.0%
1.0 / 2
91.0%
−22
–   NG-Play 9.86 64-bit2116+20
−20		(−22)1 − 0
(+1−0=0)		100.0%
1.0 / 1
95.2%
+INF
–   Kurt 0.9.2.2 64-bit2113+19
−19		(−25)13.5 − 11.5
(+12−10=3)		54.0%
13.5 / 25
97.5%
+15
–   Bearded 06_292107+28
−28		(−31)6.5 − 7.5
(+5−6=3)		46.4%
6.5 / 14
97.4%
−65
–   ProChess 1.02AD2107+17
−17		(−31)1 − 0
(+1−0=0)		100.0%
1.0 / 1
99.5%
+INF
–   Chesley r323 64-bit2107+19
−19		(−31)0 − 1
(+0−1=0)		0.0%
0.0 / 1
99.2%
−INF
–   OliThink 5.1.92099+26
−26		(−39)12 − 6
(+11−5=2)		66.7%
12.0 / 18
99.4%
+103
–   Mediocre 0.3342096+29
−29		(−42)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
99.4%
−183
–   Atak 6.02094+30
−30		(−44)1 − 1
(+1−1=0)		50.0%
1.0 / 2
99.4%
−44
–   Waxman 20082081+20
−20		(−57)6 − 2
(+6−2=0)		75.0%
6.0 / 8
100.0%
+194
–   Prophet 2.0 32-bit2080+17
−17		(−58)12.5 − 11.5
(+11−10=3)		52.1%
12.5 / 24
100.0%
−39
–   Parrot 07.07.222078+17
−17		(−60)4 − 6
(+3−5=2)		40.0%
4.0 / 10
100.0%
−144
–   Parrot 07.01.162076+27
−27		(−62)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Adam 3.22076+21
−21		(−62)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+189
–   TJchess 0.1212074+17
−17		(−64)13.5 − 10.5
(+10−7=7)		56.3%
13.5 / 24
100.0%
−11
–   Bearded 06_29_022071+22
−22		(−67)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Clarabit 1.00 32-bit2055+19
−19		(−83)13 − 9
(+10−6=6)		59.1%
13.0 / 22
100.0%
−5
–   Adam 3.12048+21
−21		(−90)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+150
–   Lime 622045+24
−24		(−93)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+69
–   FireFly 2.5.6 32-bit2024+20
−20		(−114)4.5 − 3.5
(+4−3=1)		56.3%
4.5 / 8
100.0%
−60
–   BikJump 2.01 32-bit2022+16
−16		(−116)6 − 2
(+4−0=4)		75.0%
6.0 / 8
100.0%
+50
–   Buzz 0.072020+24
−24		(−118)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+52
–   Atak 6.22019+30
−30		(−119)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−7
–   BigLion 2.23x2003+11
−11		(−135)8 − 4
(+5−1=6)		66.7%
8.0 / 12
100.0%
−21
–   Sjakk 1.1.62002+27
−27		(−136)16 − 8
(+15−7=2)		66.7%
16.0 / 24
100.0%
+18
–   BikJump 1.8 32-bit1999+29
−29		(−139)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+31
–   Gibbon 2.01b1983+26
−26		(−155)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−316
–   ZCT 0.3.25001982+28
−28		(−156)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+14
–   KMTChess 1.1 32-bit1980+30
−30		(−158)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Mustang 4.971974+23
−23		(−164)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−164
–   Matheus 2.31970+20
−20		(−168)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+2
–   Alex 1.961945+28
−28		(−193)4.5 − 2.5
(+3−1=3)		64.3%
4.5 / 7
100.0%
−86
–   Kurt 2710091927+28
−28		(−211)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−40
–   Heracles 0.6.161913+17
−17		(−225)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−224
–   Smash 1.0.31875+24
−24		(−263)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
892 games: 330 wins, 335 losses, 227 draws (25.4%), score: 49.7%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024