CCRL 40/4
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 1'636'522 games
played by 1'950 programs
22009 CPU days (X2 4600+)

White wins: 639'530 (39.1%)
Black wins: 520'020 (31.8%)
Draws: 476'972 (29.1%)
White score: 53.7%

Engine Details

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OBender 03.2016 64-bit (2215+18
−18
)Quote
Author: Evgeniy Korniloff (Russia) Link: Homepage
This program was previously called "QChess".
This is one of the 2 OBender versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Myrddin 0.87 64-bit2378+13
−13
(+163)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Lozza 1.16 64-bit2359+14
−14
(+144)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Amateur 2.822351+8
−8
(+136)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Horizon 4.42341+9
−9
(+126)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Sorgenkind 0.42328+13
−13
(+113)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Gibbon 2.69a 64-bit2326+15
−15
(+111)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−46
0 =
–   Chezzz 1.0.32323+10
−9
(+108)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−17
= 1 0 0 0 0 1 0 0 0 1 = 0 0 0 = 0 0 0 1 0 0 0 = = 0 1 0 = = 1 1
–   Absolute Zero 2.4.7.2 64-bit2314+16
−16
(+99)9.5 − 23.5
(+7−21=5)
28.8%
9.5 / 33
0.0%
−64
0 1 0 0 0 = 1 0 0 0 = 1 0 0 0 1 = 1 0 0 0 0 0 1 = 1 0 0 0 0 0 = 0
–   Mediocre 0.5 64-bit2312+14
−14
(+97)17 − 16
(+14−13=6)
51.5%
17.0 / 33
0.0%
+106
0 1 1 = 1 0 1 = 1 1 0 0 1 0 1 0 1 0 1 1 1 = 0 = 0 0 0 1 0 0 1 = =
–   Aice 0.99.22312+10
−10
(+97)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.0%
+4
= 0 1 0 0 1 1 1 = 0 1 0 0 0 0 0 = 0 1 0 = 1 = 0 = = 0 0 = 0 0 1
–   Averno 0.812309+10
−10
(+94)13 − 14
(+12−13=2)
48.1%
13.0 / 27
0.0%
+79
1 0 0 = 1 1 0 = 0 0 1 0 0 0 0 1 1 0 1 1 1 1 0 0 0 1 1
–   Dimitri 350a2308+19
−19
(+93)5.5 − 24.5
(+3−22=5)
18.3%
5.5 / 30
0.0%
−161
0 0 0 0 0 = 0 1 = = 0 0 1 = 0 0 0 0 0 1 = 0 0 0 0 0 0 0 0 0
–   Sungorus 1.4 64-bit2308+10
−10
(+93)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
−59
0 1 = 1 0 = = = 0 0 0 0 = 0 0 0 0 0 0 0 0 1 = 0 = 0 0 = 0 = = 1
–   EveAnn 1.71a2306+16
−16
(+91)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
+16
0 1 1 0 0 0 0 = 1 1 1 = 0 0 0 0 0 0 1 1 0 0 0 1 0 1 = 0 1 0 = 1
–   KnightX 1.922295+8
−8
(+80)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
0.0%
+91
0 1 0 1 0 0 = 1 0 0 0 1 1 = 1 1 1 0 1 1 = 1 0 1 0 0 0 1 0 = = 1
–   Waxman 20162288+18
−18
(+73)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   MadChess 2.0 64-bit2284+16
−16
(+69)7.5 − 24.5
(+6−23=3)
23.4%
7.5 / 32
0.0%
−153
0 0 0 1 0 0 0 0 0 0 1 0 = = 0 0 0 0 0 0 1 0 1 0 0 0 1 0 1 = 0 0
–   Paladin 0.1 64-bit2273+15
−15
(+58)32.5 − 31.5
(+26−25=13)
50.8%
32.5 / 64
0.0%
+61
= 1 = 0 1 = 1 0 0 0 1 1 0 0 = 0 1 1 = 1 1 0 1 0 0 1 = 1 0 1 1 0 0 0 0 1 = 1 1 1 = 0 0 = 1 1 0 = 0 0 = = 0 1 1 = 0 1 0 1 0 1 0 1
–   Popochin 3.22273+8
−8
(+58)16.5 − 16.5
(+12−12=9)
50.0%
16.5 / 33
0.0%
+59
0 1 = = 0 = = 0 1 0 1 1 = 1 1 1 1 0 1 1 0 0 = = 0 0 0 0 = 0 1 = 1
–   Fischerle 0.9.70 SE 64-bit2270+18
−18
(+55)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−55
= 0 = = 0 0 0 0 = = 0 0 0 0 1 1 1 1 = 0 = 0 = 0 = 1 = 0 0 0 0 1
–   Scidlet 3.61 64-bit2269+11
−11
(+54)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Butcher 1.61 64-bit2264+13
−13
(+49)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−92
1 0 1 1 1 0 0 0 0 0 = 0 = = 0 0 1 = 0 0 0 0 0 = 1 1 = 0 0 0 0 0
–   Esc 1.162263+9
−9
(+48)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
0.0%
+59
= 1 0 = 1 = 0 1 0 1 = 1 0 0 0 1 1 0 0 0 = 0 1 0 1 1 1 0 1 0 1 1
–   Natwarlal 0.142260+8
−8
(+45)15.5 − 15.5
(+14−14=3)
50.0%
15.5 / 31
0.0%
+46
0 1 0 0 1 0 1 1 1 0 1 1 1 0 1 0 0 0 = 1 0 0 1 0 1 0 = 1 = 1 0
–   Zeus 1.292256+10
−10
(+41)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
−56
0 1 0 = 0 0 0 0 = 0 0 0 0 = 0 1 1 0 1 = 0 0 1 0 1 0 1 1 0 0 1 1
–   Robocide 20170718 64-bit2242+20
−20
(+27)4 − 26
(+3−25=2)
13.3%
4.0 / 30
2.1%
−311
0 1 0 0 0 0 = 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 = 0 0 0 0 1 0 0
–   CT800 1.11 64-bit2239+20
−20
(+24)10.5 − 19.5
(+9−18=3)
35.0%
10.5 / 30
3.2%
−95
0 1 0 0 0 0 0 0 0 0 0 0 = = 0 1 0 1 = 1 1 1 0 0 0 1 1 1 0 0
–   Anechka 0.082235+8
−8
(+20)12 − 20
(+9−17=6)
37.5%
12.0 / 32
2.0%
−73
= 0 1 = 0 1 1 0 0 0 0 0 1 = 1 0 1 1 1 0 0 0 0 1 0 0 0 = = 0 = 0
–   Ant 2006-F2235+9
−10
(+20)20 − 12
(+17−9=6)
62.5%
20.0 / 32
2.0%
+111
0 0 1 1 = 0 1 0 = = 1 1 1 0 0 1 = 1 = 1 1 0 1 1 1 1 0 1 1 = 1 0
–   AliChess 4.252233+11
−11
(+18)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
4.1%
+83
1 1 0 0 1 1 0 0 1 0 0 1 1 = 0 0 1 0 1 1 1 1 1 = 0 1 1 = 0 0 1 1
–   Adam 3.32223+11
−11
(+8)20 − 12
(+16−8=8)
62.5%
20.0 / 32
22.5%
+100
1 1 0 0 1 0 1 1 1 1 0 = 0 0 1 = 0 1 = = 1 1 0 = 1 1 1 = = = 1 1
–   Exacto 0.e 64-bit2214+15
−15
(−1)20 − 13
(+15−8=10)
60.6%
20.0 / 33
51.2%
+69
1 0 1 1 1 0 = = 0 0 = 1 = 0 1 = = = = 1 1 1 1 1 = 0 1 1 0 1 1 = 0
–   Buzz 0.08 64-bit2213+15
−15
(−2)18.5 − 14.5
(+13−9=11)
56.1%
18.5 / 33
56.1%
+35
0 0 = 1 = 1 = = 0 1 1 1 = 0 1 1 1 0 0 0 1 1 1 0 = 1 = = 0 = 1 = =
–   RamJet 0.132211+17
−17
(−4)21 − 11
(+18−8=6)
65.6%
21.0 / 32
63.3%
+112
= 1 0 0 0 = = 1 0 0 = 1 1 1 1 1 0 1 1 1 1 1 1 = 1 1 1 1 1 0 = 0
–   FireFly 2.7.0 64-bit2205+14
−14
(−10)16 − 15
(+15−14=2)
51.6%
16.0 / 31
79.6%
+2
1 1 0 0 1 0 = 0 1 1 1 1 1 0 0 0 1 0 0 1 1 1 0 0 1 0 0 1 0 = 1
–   SjaakII 1.3.0 64-bit2199+21
−21
(−16)0 − 2
(+0−2=0)
0.0%
0.0 / 2
86.6%
−INF
0 0
–   Chispa 4.0.32198+9
−9
(−17)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
95.3%
−49
0 = 0 1 1 = 0 0 0 1 = 0 = = 0 1 1 1 0 0 1 1 0 = 1 0 0 0 1 = 0 1
–   Barbarossa 0.3.0 64-bit2196+18
−18
(−19)21.5 − 9.5
(+19−7=5)
69.4%
21.5 / 31
92.5%
+129
= 0 1 1 0 0 0 1 1 = 0 1 0 1 1 1 = 1 = 1 0 1 1 1 1 1 1 1 1 1 =
–   Beowulf 2.4a 32-bit2196+12
−12
(−19)19 − 14
(+13−8=12)
57.6%
19.0 / 33
96.4%
+29
1 1 0 = = = 1 1 = = = = = 1 0 1 = 1 0 = 1 1 0 1 0 0 0 0 1 1 = = 1
–   RattateChess 1.0 Nosferatu2195+14
−14
(−20)15 − 17
(+12−14=6)
46.9%
15.0 / 32
95.7%
−41
0 1 1 0 1 0 0 1 = 1 0 1 0 0 = 0 = 1 = 0 = 1 1 1 = 0 0 0 0 1 1 0
–   Uralochka 1.1b2183+11
−11
(−32)17 − 15
(+14−12=6)
53.1%
17.0 / 32
99.9%
−8
1 1 = 1 0 0 1 = 1 = 0 1 1 0 0 = 1 0 1 0 1 1 = 0 1 0 0 1 0 0 = 1
–   Madeleine 0.22182+10
−10
(−33)17.5 − 16.5
(+13−12=9)
51.5%
17.5 / 34
99.9%
−20
0 = 0 1 1 1 0 0 = 1 0 1 = = 0 0 0 0 0 0 = 1 1 1 = 1 0 1 = 1 = 1 1 =
–   Atak 6.82179+11
−11
(−36)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
+112
1 = = 1 1 1 1 1 1 0 1 1 1 0 = 1 1 0 1 1 1 1 0 1 0 1 = 0 1 0 0 1
–   Isa 2.0.48 64-bit2172+21
−21
(−43)13.5 − 16.5
(+11−14=5)
45.0%
13.5 / 30
99.9%
−83
= = 0 = 0 0 1 1 0 1 1 1 0 = 0 1 1 0 1 0 0 1 1 1 0 = 0 0 0 0
–   Lime 662141+9
−9
(−74)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Tiny Chess 1.46 64-bit2134+24
−24
(−81)19.5 − 10.5
(+15−6=9)
65.0%
19.5 / 30
100.0%
+22
0 0 = = = 1 = 1 0 1 1 = 1 = 1 0 1 1 1 = 1 1 1 1 = 1 = 0 0 1
–   RamJet 0.142113+22
−22
(−102)16 − 14
(+13−11=6)
53.3%
16.0 / 30
100.0%
−77
1 0 1 1 = 1 0 1 = 1 0 1 1 1 = 0 0 1 0 1 0 1 0 = 0 0 1 = 0 =
–   Genesis 2.01b2093+74
−77
(−122)1 − 0
(+1−0=0)
100.0%
1.0 / 1
99.9%
+INF
1
–   Oberon 0.041994+29
−29
(−221)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
OBender 03.2016 64-bit
played with current
participants of this list
Represented by
1-2-CPU    995OBender 3.2.x
All    995OBender 3.2.x
Free    995OBender 3.2.x
Free 1-2-CPU    995OBender 3.2.x
Free single-CPU    995OBender 3.2.x
Single-CPU    995OBender 3.2.x

Created in 2005-2013 by CCRL team
Last games added on January 20, 2018