CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Cheng4 0.36a 64-bit (2747+30
−30
)Quote
Author: Martin Sedlak (Czech Republic) Link: Homepage
This is one of the 16 Cheng versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Hannibal 1.2 32-bit2904+15
−15
(+157)1.5 − 8.5
(+0−7=3)
15.0%
1.5 / 10
0.0%
−95
= = 0 0 0 0 = 0 0 0
–   Hiarcs 13.22899+11
−11
(+152)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
+6
= = 0 = 0 = 0 0 0 =
–   Quazar 0.4 32-bit2881+12
−12
(+134)2 − 8
(+2−8=0)
20.0%
2.0 / 10
0.0%
−147
1 0 1 0 0 0 0 0 0 0
–   Protector 1.4.0 32-bit2877+12
−12
(+130)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+71
= = 0 = 1 0 1 0 0 =
–   Gull 1.2 32-bit2875+12
−12
(+128)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−45
0 0 0 0 0 = = = 0 1
–   SmarThink 1.40 64-bit2820+33
−33
(+73)7.5 − 12.5
(+4−9=7)
37.5%
7.5 / 20
0.0%
−6
= = = 0 0 1 = = 0 0 = 0 1 1 0 = 0 1 0 0
–   Crafty 23.8 64-bit2811+23
−23
(+64)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−84
0 = = 0 0 0 0 = = =
–   DiscoCheck 5.0.1 64-bit2805+33
−33
(+58)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.4%
−8
= 0 = = = 1 1 0 0 0
–   Arasan 16.3 64-bit2782+28
−28
(+35)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
4.2%
+12
0 0 = 0 = 1 = = 1 = = = 0 1
–   Gaviota 0.86 64-bit2781+21
−21
(+34)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
3.4%
+126
1 = 1 0
–   Glaurung 2.2 64-bit2781+16
−16
(+34)2 − 8
(+1−7=2)
20.0%
2.0 / 10
2.5%
−192
1 = 0 = 0 0 0 0 0 0
–   Naraku 1.42776+17
−17
(+29)0 − 2
(+0−2=0)
0.0%
0.0 / 2
4.9%
−INF
0 0
–   EXchess 7.18b 64-bit2774+23
−23
(+27)7 − 7
(+5−5=4)
50.0%
7.0 / 14
7.4%
+20
= = 1 1 0 = 1 0 0 1 = 1 0 0
–   Octochess r5190 64-bit2772+15
−15
(+25)6.5 − 9.5
(+3−6=7)
40.6%
6.5 / 16
7.1%
−31
= 0 = 1 1 = = = 0 = 0 = 0 0 0 1
–   Thinker 5.3b Passive 64-bit2766+24
−24
(+19)6.5 − 3.5
(+6−3=1)
65.0%
6.5 / 10
16.6%
+141
1 0 0 = 1 0 1 1 1 1
–   NirvanaChess 1.4 64-bit2762+31
−31
(+15)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
23.5%
+38
1 = 0 = 1 = = = 0 1
–   GNU Chess 5.50 64-bit2757+19
−19
(+10)2 − 2
(+1−1=2)
50.0%
2.0 / 4
29.2%
+10
1 0 = =
–   Bison 9.11 64-bit2751+17
−17
(+4)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
40.0%
+146
1 =
–   NirvanaChess 1.3 64-bit2747+31
−31
(0)14.5 − 11.5
(+11−8=7)
55.8%
14.5 / 26
49.0%
+38
0 1 0 0 0 = 0 1 = 1 0 1 = = 0 = 1 1 1 1 = 1 1 0 = 1
–   Arasan 16.2 64-bit2740+33
−33
(−7)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
61.6%
+201
0 = 1 1 1 1 1 0 1 1
–   Chronos 1.9.9 64-bit2738+14
−14
(−9)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
69.6%
−165
= 0
–   Deuterium 13.1.31.113 64-bit2728+26
−26
(−19)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
82.5%
+8
1 0 = = 1 1 = = = 0
–   Bobcat 3.25 64-bit2724+17
−17
(−23)7 − 7
(+2−2=10)
50.0%
7.0 / 14
90.7%
−20
1 = = 0 = = = = = 0 1 = = =
–   iCE 1.0 64-bit2705+17
−17
(−42)7 − 7
(+5−5=4)
50.0%
7.0 / 14
99.2%
−45
1 0 = 0 0 0 = = 1 1 = 1 1 0
–   ProDeo 1.862700+30
−30
(−47)13.5 − 10.5
(+10−7=7)
56.3%
13.5 / 24
98.7%
−1
1 0 0 0 1 1 1 0 1 = 0 = 1 1 = 1 = 1 0 = = 0 1 =
–   Chessmaster 11 Conqueror2690+21
−21
(−57)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.9%
−61
1 1 = 1 0 0 = 0 = =
–   Vajolet 2.482690+31
−31
(−57)9.5 − 10.5
(+4−5=11)
47.5%
9.5 / 20
99.6%
−70
0 = = 0 = 1 1 = = = = = = 0 0 0 = 1 = 1
–   Rodent 1.2 64-bit2689+32
−32
(−58)9.5 − 4.5
(+8−3=3)
67.9%
9.5 / 14
99.6%
+73
= 1 1 1 1 0 1 = 1 0 1 0 = 1
–   Atlas 3.60 64-bit2686+23
−23
(−61)12 − 8
(+8−4=8)
60.0%
12.0 / 20
99.9%
+4
0 1 = 1 1 = 0 = = 1 0 0 = 1 1 1 = = 1 =
–   Pawny 1.0 64-bit2658+17
−17
(−89)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+58
1 0 = 1 1 1 1 = 1 0
–   RedQueen 1.1.4 64-bit2652+28
−28
(−95)9 − 1
(+8−0=2)
90.0%
9.0 / 10
100.0%
+232
1 = 1 = 1 1 1 1 1 1
–   Djinn 0.992 64-bit2587+30
−30
(−160)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
−9
1 = = = 1 1 = 1 = 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Cheng4 0.36a 64-bit
played with current
participants of this list
Represented by
1-2-CPU    6Cheng 4.39 64-bit
All    6Cheng 4.39 64-bit
Free    6Cheng 4.39 64-bit
Free 1-2-CPU    6Cheng 4.39 64-bit
Free single-CPU    6Cheng 4.39 64-bit
Single-CPU    6Cheng 4.39 64-bit

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017