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 0.35a 64-bit (2717+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
(+187)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
+55
= 1 0 0 0 0 = 0 = =
–   Quazar 0.4 32-bit2881+12
−12
(+164)1.5 − 8.5
(+0−7=3)
15.0%
1.5 / 10
0.0%
−88
0 = 0 0 0 0 = 0 = 0
–   Protector 1.4.0 32-bit2877+12
−12
(+160)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−69
0 = 0 0 = 0 1 0 0 0
–   Gull 1.2 32-bit2875+12
−12
(+158)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−18
= 0 = 0 0 0 0 1 0 =
–   Crafty 23.8 64-bit2811+23
−23
(+94)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−62
= 0
–   DiscoCheck 5.0.1 64-bit2805+33
−33
(+88)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+229
1 =
–   Hiarcs Paderborn 20072796+18
−18
(+79)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+235
1 =
–   Loop 13.6 (Loop 2007) 64-bit2787+17
−17
(+70)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+70
= =
–   Scorpio 2.7.6 64-bit2781+17
−17
(+64)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Glaurung 2.2 64-bit2781+16
−16
(+64)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Gaviota 0.86 64-bit2781+21
−21
(+64)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+64
0 1
–   Frenzee 3.5.19 64-bit2775+15
−15
(+58)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   EXchess 7.18b 64-bit2774+23
−23
(+57)4 − 8
(+1−5=6)
33.3%
4.0 / 12
0.1%
−46
0 = 1 0 = 0 = = 0 = 0 =
–   Octochess r5190 64-bit2772+15
−15
(+55)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.1%
+55
0 1
–   Dirty 20Apr2013 64-bit2769+16
−16
(+52)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.2%
−104
0 =
–   Glaurung 2.1 64-bit2769+20
−20
(+52)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.2%
+52
1 = = = = = = 0 0 1
–   Texel 1.01 32-bit2764+28
−28
(+47)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
1.1%
−103
= 0 = 0 0 = 0 0 = =
–   SmarThink 1.20 64-bit2763+18
−18
(+46)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.6%
−96
0 =
–   GNU Chess 5.50 64-bit2757+19
−19
(+40)0 − 2
(+0−2=0)
0.0%
0.0 / 2
1.5%
−INF
0 0
–   Dirty 05Sep2012 64-bit2752+23
−23
(+35)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
3.2%
−44
= = = = = 0 = = 0 0
–   Bison 9.11 64-bit2751+17
−17
(+34)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
2.7%
−122
= 0
–   Arasan 16.2 64-bit2740+33
−33
(+23)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
15.3%
−36
0 = = =
–   Toga II 1.2 32-bit2735+25
−25
(+18)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
18.4%
+45
= = 0 = 1 1 = = = =
–   Arasan 16.1 64-bit2729+32
−32
(+12)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
29.2%
−28
= 0 = 0 1 1 = 0 1 0
–   Deuterium 13.1.31.113 64-bit2728+26
−26
(+11)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
28.8%
+38
1 = = = = = 1 0 0 0 1 1
–   Bobcat 3.25 64-bit2724+17
−17
(+7)1 − 1
(+0−0=2)
50.0%
1.0 / 2
34.6%
+7
= =
–   Arasan 16.0 64-bit2710+32
−32
(−7)6 − 4
(+4−2=4)
60.0%
6.0 / 10
61.4%
+56
1 1 1 = = 0 = = 0 1
–   iCE 1.0 64-bit2705+17
−17
(−12)12 − 12
(+8−8=8)
50.0%
12.0 / 24
75.5%
−13
0 1 = = = 1 0 0 0 1 = 0 = 0 = 1 = 1 0 1 1 = 1 0
–   Chess Tiger 2007.12703+10
−10
(−14)2 − 0
(+2−0=0)
100.0%
2.0 / 2
79.2%
+INF
1 1
–   NirvanaChess 1.2 64-bit2700+30
−30
(−17)10 − 8
(+7−5=6)
55.6%
10.0 / 18
78.1%
+17
1 1 1 1 = 1 0 0 = 1 0 0 1 = = 0 = =
–   Rodent 1.2 64-bit2689+32
−32
(−28)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
88.8%
−184
0 =
–   Delfi 5.42687+12
−12
(−30)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
96.2%
+126
1 =
–   Chess Tiger 20072681+12
−12
(−36)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
98.3%
+112
= 1 1 1 = = 1 = 1 =
–   ProDeo 1.852673+28
−28
(−44)1 − 1
(+0−0=2)
50.0%
1.0 / 2
98.2%
−44
= =
–   Rodent 1.1 64-bit2668+33
−33
(−49)8.5 − 5.5
(+5−2=7)
60.7%
8.5 / 14
98.6%
+14
= 0 = 1 = 1 = 1 0 = 1 1 = =
–   Vajolet 2.032659+24
−24
(−58)7.5 − 4.5
(+6−3=3)
62.5%
7.5 / 12
99.8%
+25
1 = 0 = 1 1 1 = 0 1 1 0
–   Atlas 3.50 64-bit2658+31
−31
(−59)4 − 2
(+3−1=2)
66.7%
4.0 / 6
99.6%
+53
0 1 1 1 = =
–   Pawny 1.0 64-bit2658+17
−17
(−59)3 − 3
(+3−3=0)
50.0%
3.0 / 6
100.0%
−59
1 0 0 1 0 1
–   Dirty 24Apr2011 64-bit2653+22
−22
(−64)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−26
1 = = 0 1 1 1 0 = 0
–   RedQueen 1.1.4 64-bit2652+28
−28
(−65)10 − 6
(+7−3=6)
62.5%
10.0 / 16
99.9%
+15
1 1 1 1 1 = = 0 0 = = 0 1 1 = =
–   Philou 3.7.1 64-bit2651+14
−14
(−66)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+29
1 1 = 0
–   CM10th Lazarus2650+24
−24
(−67)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+89
= 1
–   Rotor 0.82628+17
−17
(−89)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−3
0 1 1 =
–   Alfil 13.1 64-bit2624+18
−18
(−93)8 − 6
(+5−3=6)
57.1%
8.0 / 14
100.0%
−45
0 = 1 = 1 1 1 0 0 = = 1 = =
–   Nebula 2.0 64-bit2623+16
−16
(−94)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+55
= = 1 1
–   Tucano 3.00 64-bit2619+24
−24
(−98)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
+51
0 0 1 1 1 1
–   Djinn 0.987 64-bit2600+26
−26
(−117)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Glass 2.0 64-bit2595+16
−16
(−122)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−122
0 1 = =
–   Djinn 0.992 64-bit2587+30
−30
(−130)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   DanaSah 5.072567+17
−17
(−150)10 − 4
(+8−2=4)
71.4%
10.0 / 14
100.0%
0
= 1 1 0 1 1 1 1 0 = 1 1 = =
–   Arminius 2013-08-10 64-bit2563+31
−31
(−154)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
0
1 1 = 1 = 0 1 0 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
Cheng4 0.35a 64-bit
played with current
participants of this list
Represented by
1-2-CPU    26Cheng 4.39 64-bit
All    24Cheng 4.39 64-bit
Free    24Cheng 4.39 64-bit
Free 1-2-CPU    24Cheng 4.39 64-bit
Free single-CPU    24Cheng 4.39 64-bit
Single-CPU    26Cheng 4.39 64-bit

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