CCRL 404FRC
Downloads and Statistics
November 5, 2019
Testing summary:
Total: 253'674 games
played by 203 programs
2362 CPU days (X2 4600+)

White wins: 104'056 (41.0%)
Black wins: 90'203 (35.6%)
Draws: 59'415 (23.4%)
White score: 52.7%

Engine Details

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Cheng 4.39 64-bit#23  (2886+13
−13
)Quote
Author: Martin Sedlak (Czech Republic) Link: Homepage
This is one of the 3 Cheng versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Chiron 2 64-bit3105+10
−10
(+219)62.5 − 237.5
(+39−214=47)
20.8%
62.5 / 300
0.0%
−15
–   Naum 4.6 64-bit3078+9
−9
(+192)82.5 − 217.5
(+51−186=63)
27.5%
82.5 / 300
0.0%
+23
–   SlowChess Blitz 1.5 64-bit3069+18
−17
(+183)33 − 77
(+23−67=20)
30.0%
33.0 / 110
0.0%
+31
–   Shredder 123014+8
−8
(+128)33.5 − 66.5
(+21−54=25)
33.5%
33.5 / 100
0.0%
+8
–   Demolito 2017-08-26 64-bit2979+15
−15
(+93)40.5 − 59.5
(+28−47=25)
40.5%
40.5 / 100
0.0%
+24
–   Spike 1.4 Leiden2942+9
−9
(+56)36 − 64
(+25−53=22)
36.0%
36.0 / 100
0.0%
−45
–   Hiarcs 13.22928+8
−8
(+42)48.5 − 51.5
(+39−42=19)
48.5%
48.5 / 100
0.0%
+30
–   Bobcat 8.0 64-bit2914+15
−16
(+28)45 − 55
(+28−38=34)
45.0%
45.0 / 100
0.2%
−6
–   EXchess 7.92b 64-bit2900+15
−15
(+14)48 − 52
(+39−43=18)
48.0%
48.0 / 100
6.9%
0
–   EXchess 7.71b 64-bit2895+15
−15
(+9)49 − 51
(+34−36=30)
49.0%
49.0 / 100
16.9%
0
–   Deep Sjeng WC2008 64-bit2876+8
−8
(−10)56.5 − 43.5
(+44−31=25)
56.5%
56.5 / 100
88.3%
+37
–   Bobcat 7.6 64-bit2864+18
−18
(−22)56 − 44
(+41−29=30)
56.0%
56.0 / 100
97.6%
+18
–   The Baron 3.44 64-bit2860+17
−17
(−26)55.5 − 44.5
(+45−34=21)
55.5%
55.5 / 100
99.2%
+14
–   Cyclone xTreme Fear2824+8
−9
(−62)52.5 − 47.5
(+42−37=21)
52.5%
52.5 / 100
100.0%
−43
–   Bobcat 7.1 64-bit2811+18
−18
(−75)61 − 39
(+49−27=24)
61.0%
61.0 / 100
100.0%
+3
–   Tornado 8.0 64-bit2800+16
−16
(−86)53 − 47
(+42−36=22)
53.0%
53.0 / 100
100.0%
−62
–   The Baron 3.29 64-bit2787+16
−16
(−99)61.5 − 38.5
(+49−26=25)
61.5%
61.5 / 100
100.0%
−16
–   GNU Chess 5.60 64-bit2783+11
−11
(−103)62.5 − 37.5
(+50−25=25)
62.5%
62.5 / 100
100.0%
−12
–   Arminius 2018-12-23 64-bit2777+18
−18
(−109)62.5 − 37.5
(+52−27=21)
62.5%
62.5 / 100
100.0%
−17

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Cheng 4.39 64-bit
played with current
participants of this list
Represented by
1-2-CPU#2328801410itself
All#2328801410itself
Free#1728751210itself
Free 1-2-CPU#1728751210itself
Free single-CPU#1728751210itself
Open source#82866400itself
Open source 1-2-CPU#82866400itself
Open source single-CPU#82866400itself
Single-CPU#2328801410itself

Created in 2005-2008 by CCRL team
Last games added on November 5, 2019