CCRL 404FRC
Downloads and Statistics
February 4, 2018
Testing summary:
Total: 216'900 games
played by 173 programs
2025 CPU days (X2 4600+)

White wins: 89'747 (41.4%)
Black wins: 78'162 (36.0%)
Draws: 48'991 (22.6%)
White score: 52.7%

Engine Details

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Chiron 1.1a 64-bit (2985+13
−14
)Quote
Author: Ubaldo Andrea Farina (Italy) Link: Homepage
This is one of the 5 Chiron versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Houdini 3 64-bit3358+12
−12
(+373)23.5 − 276.5
(+6−259=35)
7.8%
23.5 / 300
0.0%
−19
0 0 0 1 = 0 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 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 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 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 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 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 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 0 0 0 0 0 0 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 0 0 0 0 0 0 0 0 0 0 0 = = 0 = 0
–   Critter 1.6a 64-bit3293+7
−6
(+308)43 − 257
(+11−225=64)
14.3%
43.0 / 300
0.0%
+27
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 0 = 0 0 = = 1 0 0 = 0 0 0 0 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 = 0 0 0 0 = 0 0 0 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 0 = = 0 0 0 0 0 0 = 0 0 1 0 0 0 = 0 0 0 = 0 = 0 0 1 = = 0 0 1 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 0 = 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 0 0 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 0 0 = 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 0 0 0 0 = 0 0 0 0
–   Houdini 2.0 64-bit3271+18
−17
(+286)10 − 90
(+2−82=16)
10.0%
10.0 / 100
0.0%
−57
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 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 0 0 = 0 = 0 0 0 0 0 0 0 = 0 0 0 1 0 0 0 0 0 = 0 0 0 0 0 0
–   Critter 1.2 64-bit3236+20
−20
(+251)11 − 89
(+5−83=12)
11.0%
11.0 / 100
0.0%
−96
= 0 0 0 0 0 1 0 0 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 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 0 0 0 = 0 0 0 = 1 0 0 0 0 = 0 0 0 0 0 0 0 0 0 0 0 1
–   Stockfish 2.3.1 64-bit3206+15
−15
(+221)24.5 − 75.5
(+11−62=27)
24.5%
24.5 / 100
0.0%
+39
0 1 0 = 0 = 0 0 0 = = 0 0 = = 0 0 0 0 0 = 0 0 0 = 1 0 0 0 0 = 0 1 0 = = 0 0 0 = = 0 0 0 0 0 = = 0 0 1 1 0 = 0 1 0 1 = 1 = = 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 1 0 0 = 0 = 0
–   Stockfish VE_09 64-bit3193+15
−15
(+208)26 − 74
(+11−59=30)
26.0%
26.0 / 100
0.0%
+40
0 0 0 = 0 1 0 0 0 0 = = 0 0 1 0 = = = = 0 = 1 1 0 0 = 0 1 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 0 0 0 = 1 1 0 1 1 0 0 0 0 0 = 1 0 = 0 = = = 0 0 = = 0 0
–   Stockfish 2.2.1 64-bit3193+18
−18
(+208)18 − 82
(+10−74=16)
18.0%
18.0 / 100
0.0%
−50
0 1 = 0 1 = 1 0 0 1 = 1 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 = 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 = = 0 0 0 0 0 0 = 0 0 1 = 0 0 = 0 0 0 0
–   Stockfish 2.1.1 64-bit3188+19
−19
(+203)21.5 − 78.5
(+10−67=23)
21.5%
21.5 / 100
0.0%
−10
0 0 0 0 = = = 0 = = 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 = = 0 0 0 0 = 0 0 = 0 0 1 0 0 1 = 0 0 0 0 0 1 0 0 0 = = 0 0 = 0 0 0 = 1 = 0 0 0 0 0 0 = 1 = = 0 1 1 0 0 = 0 0 0 = = 0 0 1 0 0 0 0 0 0 = 0 0 0 0 0 =
–   Stockfish 2.2.2 64-bit3186+20
−20
(+201)27 − 73
(+11−57=32)
27.0%
27.0 / 100
0.0%
+44
0 = 0 0 0 0 0 = = 0 = = 1 1 0 0 = 1 = = 0 0 0 1 0 = 0 0 0 1 = 0 = 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 1 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 1 1 0 0 = 0 0 0
–   Rybka 4.1 64-bit3164+7
−7
(+179)28 − 72
(+12−56=32)
28.0%
28.0 / 100
0.0%
+29
= 0 0 = 0 0 = = = 0 1 0 0 0 0 0 0 = 0 = 1 0 = 1 1 0 0 0 = 0 1 = 1 0 0 0 = = = 0 0 = 0 0 = 0 1 = 0 = = = 1 = = 0 = 0 = = 0 0 1 0 0 1 0 0 1 = 0 0 0 0 0 0 0 = 1 0 0 0 = = 0 = 0 0 = 0 = 0 0 = 0 0 0 0 0 0
–   Naum 4.2 64-bit3034+8
−9
(+49)38.5 − 61.5
(+29−52=19)
38.5%
38.5 / 100
0.0%
−37
1 0 1 1 0 = = 0 0 0 0 0 1 1 0 0 0 1 0 0 = = 1 = = 1 = 0 0 = 1 0 0 0 1 = 0 1 0 0 = 0 1 0 0 0 0 0 1 0 1 0 1 = 0 0 = 1 1 1 0 0 0 1 1 1 1 0 = 0 0 0 = 1 0 1 1 = = 1 0 0 0 0 1 = 0 0 = 0 0 0 1 1 0 = 0 0 0 0
–   Shredder 123015+8
−8
(+30)50.5 − 49.5
(+33−32=35)
50.5%
50.5 / 100
0.0%
+33
0 = 0 1 0 = 1 = 1 1 0 0 0 0 1 = = 1 = 1 1 = = 1 1 1 0 0 = 1 1 0 1 1 0 0 = 0 = = 0 0 = = = 0 1 = = 0 0 = = = 1 = 1 0 1 0 = = 1 1 1 0 = 1 = 0 = 0 = 0 1 = 1 1 = = 1 = 0 1 = 0 0 0 0 = 1 1 1 0 = 1 0 = 0 1
–   Spike 1.4 Leiden2943+9
−9
(−42)61 − 39
(+47−25=28)
61.0%
61.0 / 100
100.0%
+37
0 = 1 = 0 = 1 1 1 = = = 1 1 1 1 0 = 0 1 1 = 0 = = 1 1 = 1 = 0 1 = = 0 = 1 1 0 1 1 1 1 1 1 1 = 0 = 1 0 0 0 0 1 0 1 = 0 = 1 = 1 1 1 0 1 = 1 = 1 1 1 1 = 1 1 0 = 1 0 0 0 1 1 1 1 = 0 = 0 0 = 0 = 1 0 1 1 1
–   Hiarcs 13.22928+9
−9
(−57)63 − 37
(+50−24=26)
63.0%
63.0 / 100
100.0%
+35
= 1 1 = 1 0 1 = 0 0 1 0 1 1 1 1 1 0 1 = 0 = 1 0 = 0 0 0 = 1 0 1 1 1 1 1 = = 0 1 0 1 1 1 1 = = = = 1 = 0 = 1 0 1 = = 1 0 1 1 0 0 = 0 1 0 = 1 1 = 1 = 1 = = 0 1 0 1 1 1 1 1 1 1 = 1 1 1 = 1 1 0 1 1 1 0 =
–   Deep Sjeng WC2008 64-bit2877+8
−8
(−108)64.5 − 35.5
(+50−21=29)
64.5%
64.5 / 100
100.0%
−5
1 = 1 0 1 0 1 = 1 = 0 1 1 0 0 1 1 1 1 = 0 = 1 1 1 = = = 1 1 1 1 0 = = 0 0 1 1 0 = 1 1 1 1 0 = 1 0 0 1 1 1 = 1 1 1 = 1 1 1 = = = 1 1 1 1 1 0 1 1 1 = 0 = 0 1 = 0 0 0 = 0 1 = 1 = 1 0 1 1 1 = 1 = = = = =
–   Cyclone xTreme Fear2824+9
−9
(−161)71 − 29
(+59−17=24)
71.0%
71.0 / 100
100.0%
−5
1 = 1 1 0 1 1 = 1 0 1 0 1 1 1 1 1 1 = 1 1 1 1 1 = = 0 1 1 1 0 1 1 1 1 1 = 1 = 1 1 = 0 0 1 1 1 = 0 1 = 1 0 1 1 = 0 1 0 = 1 0 1 = 1 1 1 = 1 = 1 = 1 = 0 = 1 0 1 1 1 = 1 0 0 1 = 1 1 1 1 = 1 = 0 1 1 1 = =
–   Loop for Chess9602756+7
−7
(−229)73 − 27
(+64−18=18)
73.0%
73.0 / 100
100.0%
−49
1 = 1 1 = 0 = 1 0 0 1 1 1 1 0 = 1 1 1 = 1 1 1 1 1 1 1 = 1 1 0 1 = 1 1 = 0 1 1 0 1 = 1 = 0 0 1 1 1 = = 1 1 = = 1 1 0 0 1 1 1 1 = 1 0 0 1 1 = 1 1 1 1 1 1 1 0 1 1 1 1 0 1 0 = 1 1 0 1 1 1 1 1 1 = 1 1 0 1
–   Tornado 4.88 64-bit2753+11
−11
(−232)83 − 17
(+76−10=14)
83.0%
83.0 / 100
100.0%
+44
= 1 = 1 1 0 = 1 = 1 1 1 1 1 1 0 1 1 1 1 0 1 = 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 0 1 1 1 1 1 = 0 1 1 = 1 1 0 1 1 1 = 1 1 1 1 1 = 1 1 0 1 1 1 1 1 = = 1 1 1 1 1 = 1 1 1 = 1 1 1 1 0 1 0 1 1 1 0 1 1
–   Bright 0.4a2722+9
−9
(−263)79.5 − 20.5
(+70−11=19)
79.5%
79.5 / 100
100.0%
−31
1 = = 1 1 1 1 1 1 1 0 0 1 1 1 = 1 = 1 = 1 1 1 1 1 1 1 = = 1 0 1 1 0 1 1 1 = 1 1 1 1 1 1 1 1 1 = = 1 = = 1 1 1 1 1 = 1 1 1 1 0 = 1 1 0 0 1 0 0 1 1 1 1 1 1 1 1 1 = 1 1 0 1 1 0 = 1 = = 1 = 1 1 1 1 1 1 1
–   Frenzee 3.5.19 64-bit2710+11
−11
(−275)78.5 − 21.5
(+72−15=13)
78.5%
78.5 / 100
100.0%
−39
1 1 1 1 = 1 0 1 1 1 1 0 0 = 1 1 1 1 1 1 = 1 1 1 1 0 1 = 1 1 1 0 1 1 1 1 0 = 0 1 = = 1 1 1 1 = 1 1 1 1 1 1 1 0 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 = 1 1 1 0 0 = 0 1 1 1 1 1 = 1 1 1 = 1 0 =
–   EXchess 6.50b 64-bit2689+13
−14
(−296)83.5 − 16.5
(+78−11=11)
83.5%
83.5 / 100
100.0%
−6
0 1 0 1 1 1 1 1 1 0 1 1 1 1 1 = = 1 = 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 0 1 1 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 = 1 1 1 1 1 1 = 1 0 1 0 1 1 1 1 1 0 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 1 1 = = 1
–   Tornado 4.4 64-bit2688+13
−13
(−297)83 − 17
(+72−6=22)
83.0%
83.0 / 100
100.0%
−44
1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 = = 1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1 = 1 1 1 = = = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = = 1 = 1 1 1 = 1 0 1 = 1 1 0 1 0 1 1 1 = 1 1 1 1 1 1 1 = = 0 1 1 1 = = 0 = 1 1 0

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Chiron 1.1a 64-bit
played with current
participants of this list
Represented by
1-2-CPU    1100Chiron 4 64-bit
All    1100Chiron 4 64-bit
Single-CPU    1100Chiron 4 64-bit

Created in 2005-2008 by CCRL team
Last games added on February 4, 2018