CCRL 40/2 FRC
Downloads and Statistics
May 6, 2021
Testing summary:
Total: 341'114 games
played by 257 programs

White wins: 137'230 (40.2%)
Black wins: 115'634 (33.9%)
Draws: 88'250 (25.9%)
White score: 53.2%

Engine Details

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Show each game results
Cheng 4.39 (2884+12
−12
)Quote
Author: Martin Sedlak (Czech Republic) Link: Homepage
This is one of the 5 Cheng versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Chiron 23104+10
−10
(+220)62.5 − 237.5
(+39−214=47)
20.8%
62.5 / 300
0.0%
−14
1 0 0 0 0 1 = 0 0 0 0 0 0 0 0 0 0 1 0 = 0 0 0 1 0 = 0 0 0 0 0 0 0 = 1 1 0 0 0 = = 0 0 1 0 0 0 0 = 0 = = 0 0 = 0 1 = 0 = 0 0 1 = 0 0 0 0 0 0 = 0 0 = 0 0 0 1 0 = 0 0 0 = 0 0 0 1 0 0 0 0 0 0 = 1 0 0 = 0 = 0 0 1 0 0 1 1 0 0 0 = 0 0 1 0 0 0 0 0 0 = 0 = 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 = = 0 0 = 1 0 0 0 = = 0 = 0 0 1 = 0 0 0 0 0 0 = = 0 1 0 0 0 0 = 0 0 0 0 0 0 1 0 0 = 0 1 1 0 0 0 0 0 0 1 = 0 1 0 = 0 1 0 = = 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 = 1 0 0 = = 0 1 0 1 0 0 = 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 = = 0 0 1 0 0 0 = 0 0 1 0 0 0 1 = 0 0 0 1 0 0 0 0 0
–   Naum 4.63080+7
−7
(+196)82.5 − 217.5
(+51−186=63)
27.5%
82.5 / 300
0.0%
+27
0 0 1 0 0 = 1 0 0 1 = = = 0 0 0 0 0 0 0 0 0 = 1 0 0 0 0 1 0 1 0 0 = 1 0 = 0 1 0 0 0 = 0 1 1 1 0 1 1 = 0 = 0 0 1 1 0 = 0 = 0 0 0 = 0 = 1 1 0 0 0 0 0 1 0 0 0 = 1 0 0 0 0 0 0 = = 0 = 0 0 0 = = 0 1 = 0 0 0 0 = = 0 0 = 0 0 0 0 0 0 0 1 = 1 = 0 0 = 0 0 0 1 0 = 0 = 0 0 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 0 0 1 0 1 0 0 1 0 0 1 1 = 0 0 0 0 0 0 0 0 0 0 0 0 = = 1 0 0 0 0 = 0 0 1 0 0 1 1 0 0 = = 0 0 1 0 0 0 = 0 0 0 0 = 0 = = = = 1 1 = 1 = 0 0 1 = = = 0 0 = 0 = 0 0 0 = 0 0 0 0 0 1 0 1 0 = 0 = 0 0 1 0 1 1 0 0 0 0 1 0 0 0 0 = = 0 1 0 0 0 0 0 1 = 0 0 0 0 0 1 0 0 = 1 0 1 0 0 0 1 0
–   SlowChess Blitz 1.53069+18
−17
(+185)33 − 77
(+23−67=20)
30.0%
33.0 / 110
0.0%
+33
1 0 0 0 0 1 1 0 0 = 0 0 0 1 0 0 = 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 = 0 1 0 1 = 0 0 0 0 0 0 0 1 = 0 0 1 0 = 0 0 0 = 1 = 1 0 = 0 0 1 0 = 0 0 = 0 0 = 1 = 1 1 = = 0 0 0 0 0 0 1 = 0 1 1 0 1 = 0 1 0 0 0 = = 1 0 1 0 0 0 0 0 0 =
–   Shredder 123012+8
−8
(+128)33.5 − 66.5
(+21−54=25)
33.5%
33.5 / 100
0.0%
+8
1 0 0 0 0 0 0 0 = 0 0 0 0 0 1 = 0 = 1 0 0 0 = 0 = 1 = = 0 0 0 0 0 0 1 0 0 1 0 = = 0 0 0 = 1 0 0 0 1 = 1 0 0 = 0 = 0 = = 1 = 0 1 = 0 = 0 1 0 = 0 1 0 1 0 = = 1 0 = 0 1 0 1 0 1 0 0 1 = 0 0 = 0 = 1 0 0 1
–   Minic 2.212999+15
−15
(+115)53.5 − 96.5
(+36−79=35)
35.7%
53.5 / 150
0.0%
+11
1 1 1 = 0 = 0 0 = 1 1 0 0 = = = 0 1 = = 1 0 0 0 0 1 0 0 = 1 0 0 1 = = = 0 1 0 0 0 = 0 0 1 0 1 0 = 0 0 1 = 0 = 1 0 0 0 1 1 1 0 = 1 0 0 0 1 0 0 1 0 0 0 1 = 0 1 1 = = 0 0 = = 0 0 0 0 = 0 1 0 0 1 0 0 0 0 0 1 0 = 0 1 = 0 0 0 0 = = = 0 = = 0 = 0 1 0 0 = 0 = 0 0 1 0 1 0 0 0 0 = 1 0 0 0 = 1 0 0 0 0 0 1 1 1
–   Demolito 2017-08-262978+15
−15
(+94)40.5 − 59.5
(+28−47=25)
40.5%
40.5 / 100
0.0%
+25
0 = 0 0 0 = 0 0 0 0 = 1 0 = = 0 0 0 0 = 0 1 1 1 1 0 0 0 0 = 0 1 1 = = 0 0 1 = 1 0 = 1 1 = = 0 1 0 0 1 1 1 1 0 = 0 = = 1 0 = 0 = 0 0 0 0 1 0 = = 1 0 1 1 0 0 0 1 0 = = 1 1 1 0 0 0 = 1 1 1 0 0 = 0 0 = 0
–   Spike 1.4 Leiden2941+8
−8
(+57)36 − 64
(+25−53=22)
36.0%
36.0 / 100
0.0%
−44
1 0 1 = 1 = 0 0 0 0 0 1 0 1 0 0 = 0 1 1 1 = 0 0 1 = 0 0 1 0 0 1 0 = 1 0 0 0 = 0 0 0 1 = 1 0 = 1 = 0 1 1 0 0 0 = 0 = 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 = 0 0 1 0 0 = 1 1 = = 1 0 1 = = 1 = 0 1 0 0 = = 0 = 0
–   Hiarcs 13.22927+8
−8
(+43)48.5 − 51.5
(+39−42=19)
48.5%
48.5 / 100
0.0%
+31
= 0 1 1 = 0 1 0 = = 1 0 1 = 1 1 1 1 1 1 0 0 = 1 1 1 0 1 = 0 1 1 1 0 1 0 0 0 0 0 = 0 0 1 0 1 0 0 1 = 1 1 1 0 0 0 = 1 0 1 0 = 1 1 1 1 1 0 0 0 0 1 = = 0 = = 0 1 0 1 1 0 0 1 0 0 = 0 0 0 = 0 1 0 0 = = 0 1
–   Bobcat 8.02915+11
−11
(+31)45 − 55
(+28−38=34)
45.0%
45.0 / 100
0.0%
−3
0 = 0 0 = 0 = 1 1 = 0 1 0 = 1 0 = = = = = = 1 = 0 = 0 = 0 1 1 0 = = = 1 1 0 1 1 = = = 0 0 0 0 0 1 = 0 = 1 0 1 0 = = 0 = 0 1 0 1 0 1 1 1 1 1 = 0 1 = 1 1 1 0 = = 0 0 0 = 1 0 0 0 = 1 = = 0 1 0 0 0 0 0 =
–   EXchess 7.92b2898+12
−12
(+14)48 − 52
(+39−43=18)
48.0%
48.0 / 100
5.7%
0
= 1 = 1 0 = 0 0 0 1 1 1 1 1 0 0 1 0 = = 0 0 0 1 0 1 1 0 0 1 0 1 1 0 1 0 1 = 0 0 1 = 0 1 0 = = 1 0 1 = = 0 1 0 = 0 0 0 1 = 1 1 1 1 0 0 1 1 0 1 0 0 1 0 0 0 0 1 1 = 0 = = 1 1 0 1 0 0 0 0 = 0 = 1 1 1 1 0
–   EXchess 7.71b2894+15
−15
(+10)49 − 51
(+34−36=30)
49.0%
49.0 / 100
14.4%
+1
= 0 1 0 1 = 1 1 1 = 0 0 1 1 0 1 = 1 = 0 = 1 = 1 = 0 0 0 1 1 1 0 1 0 = = 1 1 1 0 = 0 1 0 0 0 = = 1 1 = 1 1 = = 1 1 = 0 0 1 0 1 = = 0 0 0 = = = 0 = 1 1 0 0 0 1 1 0 0 1 0 0 1 = = 1 = 0 0 0 0 = = 0 = = 0
–   Deep Sjeng WC20082877+8
−8
(−7)56.5 − 43.5
(+44−31=25)
56.5%
56.5 / 100
83.4%
+40
1 1 1 = 1 0 = 1 1 1 1 1 1 0 = 1 0 0 1 = 0 = 0 0 1 0 0 0 1 = 0 = 0 1 0 0 = 1 1 1 1 0 0 1 1 0 1 = 0 = 0 0 0 0 1 1 1 = 0 = = = 1 1 1 1 = 0 0 1 1 1 0 1 = 0 0 = 1 = 0 1 0 0 1 1 = = 1 = = 1 1 1 = 1 1 = = 1
–   Bobcat 7.62863+18
−18
(−21)56 − 44
(+41−29=30)
56.0%
56.0 / 100
97.4%
+19
= 1 1 = = 0 0 0 = = 1 0 0 1 = = 1 1 0 0 = = 1 0 = 1 1 1 = 0 1 0 0 0 1 1 1 = 0 1 1 1 1 = 1 = = = 1 0 1 0 0 1 0 = 1 1 0 1 0 0 = 1 1 1 1 = 0 = 1 1 1 = 1 1 1 0 = 0 0 = 0 = = 1 = 0 0 = 1 1 0 = 1 0 = = 1 1
–   The Baron 3.442858+17
−17
(−26)55.5 − 44.5
(+45−34=21)
55.5%
55.5 / 100
99.4%
+15
1 1 0 1 = 0 = 1 = 0 = 1 0 1 1 1 = 0 1 1 = 1 = 1 1 0 = 0 0 0 0 = 1 0 = 0 1 1 1 = 0 0 = 1 0 0 1 0 0 = 0 1 1 = 0 = 0 1 1 1 0 1 = 0 0 0 1 = 1 1 0 1 1 = = 1 1 1 1 1 0 0 1 0 1 0 0 1 1 1 1 1 0 1 0 = 0 1 1 =
–   Minic 1.152831+20
−20
(−53)56.5 − 53.5
(+41−38=31)
51.4%
56.5 / 110
100.0%
−42
1 0 1 0 = = 0 = = 0 = 1 0 1 0 = 0 0 0 1 = 1 1 = = = 1 = 0 1 = 1 1 = 0 1 = 1 1 = 0 = 1 1 1 = 1 = 1 0 0 1 = = 0 0 0 1 0 0 = 1 0 1 = 0 0 1 = = 0 1 = 0 1 1 = 0 1 1 = 0 0 1 1 0 = = 1 0 1 1 0 0 = 0 1 1 0 0 0 1 1 0 = 1 0 0 1 1
–   Cyclone xTreme Fear2823+9
−9
(−61)52.5 − 47.5
(+42−37=21)
52.5%
52.5 / 100
100.0%
−42
1 1 0 0 1 0 1 1 1 = = 0 0 0 0 0 1 1 0 1 0 = = 1 0 = 1 1 = 1 1 = 0 = 1 = = = 0 1 1 0 1 1 1 0 = 0 1 1 1 1 1 1 1 0 0 1 0 0 = 0 1 0 1 1 = 0 0 = = 1 0 = = 0 0 0 0 0 1 1 = 0 1 1 1 = 1 1 1 0 1 0 0 0 1 0 0 =
–   Bobcat 7.12811+18
−18
(−73)61 − 39
(+49−27=24)
61.0%
61.0 / 100
100.0%
+5
0 0 0 1 1 0 1 1 0 0 1 0 1 = 0 1 1 1 1 = = 1 0 1 1 1 = 1 1 = = 1 = 1 0 1 = = 1 1 1 1 0 1 0 = = = = 0 0 1 = 1 1 0 1 1 1 1 0 0 1 = = 0 = = 1 = 1 1 1 1 0 1 1 0 = 1 1 1 1 0 0 = 1 = 1 1 0 = 1 0 0 1 0 1 0 =
–   Tornado 8.02806+16
−16
(−78)53 − 47
(+42−36=22)
53.0%
53.0 / 100
100.0%
−54
1 1 0 1 0 0 = 1 0 1 = = = 1 1 1 1 1 1 0 = 1 = = = 0 0 0 0 0 1 0 1 = 1 0 = 1 = 1 0 0 1 = 0 0 1 0 0 1 0 = = 0 0 0 0 1 = 0 = 1 1 = 0 1 1 1 = 1 1 = = 1 1 0 0 = 1 1 1 0 1 1 0 1 = 1 0 0 1 1 0 0 0 0 0 1 1 1
–   The Baron 3.292787+16
−16
(−97)61.5 − 38.5
(+49−26=25)
61.5%
61.5 / 100
100.0%
−14
0 = 1 0 1 = = = 1 1 = 1 1 1 = = 0 = = 0 0 1 1 1 = 1 0 1 1 0 = 0 0 0 0 = = 1 0 1 1 = 0 1 1 0 1 0 1 1 1 1 1 1 = = 1 1 1 0 1 = 0 = 1 1 0 0 1 1 1 1 1 1 = = = 1 1 0 0 1 1 1 0 1 = = 0 = 1 1 1 0 0 1 1 1 = 0
–   Arminius 2018-12-232784+17
−17
(−100)62.5 − 37.5
(+52−27=21)
62.5%
62.5 / 100
100.0%
−8
= 1 0 1 1 0 1 = 0 = 0 0 1 = = 0 1 = 0 1 = 1 0 = = 0 0 1 1 1 1 0 1 1 = 0 1 1 1 1 = 1 1 0 1 = 0 1 1 1 1 = 1 1 1 0 0 1 1 = 1 = = 1 = 0 = 1 0 1 1 = 0 0 = 0 1 1 1 = 1 1 0 1 1 1 1 1 0 0 0 1 0 1 1 0 1 1 1 1
–   GNU Chess 5.602781+11
−11
(−103)62.5 − 37.5
(+50−25=25)
62.5%
62.5 / 100
100.0%
−12
1 1 = = 1 1 0 0 1 = = 1 1 1 0 1 1 1 1 1 1 1 = = 1 1 0 = 1 0 1 1 0 1 = 1 = = = = 0 1 1 0 0 1 1 1 = 0 0 0 1 1 0 1 0 = = 0 0 0 1 1 = 1 0 1 0 = 0 0 1 1 1 1 1 1 = 1 = 0 = 1 1 1 = = 1 = 1 1 1 0 0 0 = 1 = 1

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Cheng 4.39
played with current
participants of this list
Represented by
1-2-CPU    1300Cheng 4.41
All    1300Cheng 4.41
Free    1100Cheng 4.41
Free 1-2-CPU    1100Cheng 4.41
Free single-CPU    1100Cheng 4.41
Open source    400Cheng 4.41
Open source 1-2-CPU    400Cheng 4.41
Open source single-CPU    400Cheng 4.41
Single-CPU    1300Cheng 4.41

Created in 2005-2008 by CCRL team
Last games added on May 6, 2021