CCRL 40/2 FRC
Downloads and Statistics
May 6, 2021
Testing summary:
Total: 340'332 games
played by 256 programs

White wins: 136'860 (40.2%)
Black wins: 115'329 (33.9%)
Draws: 88'143 (25.9%)
White score: 53.2%

Engine Details

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Cyclone xTreme Fear#32‑33  (2823+8
−8
)Quote
Authors: Fabien Letouzey (France), Thomas Gaksch, Vadim Demichev, Teemu Pudas, Norman Schmidt Links: Homepage, Homepage
Executable used was 32-bit Cyclone is free software based on Fruit 2.1 by Fabien Letouzey, Toga II by Thomas Gaksch, Grapefruit 1.0 by Vadim Demichev, Toga CMLX 145e4 by Teemu Pudas, with additional programming by Norman Schmidt.
This is one of the 5 Fruit versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Stockfish 2.0.13136+18
−17
(+313)12.5 − 87.5
(+2−77=21)
12.5%
12.5 / 100
0.0%
+13
–   Stockfish 1.83127+20
−19
(+304)9.5 − 90.5
(+4−85=11)
9.5%
9.5 / 100
0.0%
−68
–   Stockfish 1.73111+22
−22
(+288)14 − 86
(+3−75=22)
14.0%
14.0 / 100
0.0%
+8
–   Stockfish 1.9.13108+25
−24
(+285)12 − 88
(+5−81=14)
12.0%
12.0 / 100
0.0%
−43
–   Chiron 23104+10
−10
(+281)16.5 − 83.5
(+9−76=15)
16.5%
16.5 / 100
0.0%
+3
–   Critter 0.903103+20
−19
(+280)18.5 − 81.5
(+9−72=19)
18.5%
18.5 / 100
0.0%
+31
–   Rybka 33086+13
−13
(+263)16 − 84
(+8−76=16)
16.0%
16.0 / 100
0.0%
−17
–   Naum 4.63080+7
−7
(+257)49.5 − 250.5
(+19−220=61)
16.5%
49.5 / 300
0.0%
−7
–   Chiron 1.53038+12
−12
(+215)17 − 83
(+10−76=14)
17.0%
17.0 / 100
0.0%
−59
–   Critter 0.803036+19
−19
(+213)18 − 82
(+10−74=16)
18.0%
18.0 / 100
0.0%
−46
–   Stockfish 1.63035+22
−22
(+212)19 − 81
(+8−70=22)
19.0%
19.0 / 100
0.0%
−24
–   Naum 4.23032+9
−9
(+209)21.5 − 78.5
(+8−65=27)
21.5%
21.5 / 100
0.0%
+2
–   Shredder 123012+8
−8
(+189)29.5 − 70.5
(+20−61=19)
29.5%
29.5 / 100
0.0%
+31
–   Naum 42985+15
−15
(+162)19 − 81
(+9−71=20)
19.0%
19.0 / 100
0.0%
−78
–   Chiron 1.1a2983+14
−14
(+160)29 − 71
(+17−59=24)
29.0%
29.0 / 100
0.0%
+4
–   Cheng 4.402981+15
−15
(+158)29.5 − 70.5
(+19−60=21)
29.5%
29.5 / 100
0.0%
+4
–   Demolito 2017-08-262978+15
−15
(+155)27 − 73
(+19−65=16)
27.0%
27.0 / 100
0.0%
−24
–   Spike 1.4 Leiden2941+8
−8
(+118)41 − 59
(+30−48=22)
41.0%
41.0 / 100
0.0%
+52
–   Stockfish 1.5.12938+19
−19
(+115)32 − 68
(+17−53=30)
32.0%
32.0 / 100
0.0%
−9
–   Hiarcs 13.22927+8
−8
(+104)42.5 − 57.5
(+25−40=35)
42.5%
42.5 / 100
0.0%
+52
–   Bobcat 8.02915+11
−11
(+92)35 − 65
(+24−54=22)
35.0%
35.0 / 100
0.0%
−18
–   EXchess 7.92b2898+12
−12
(+75)37.5 − 62.5
(+28−53=19)
37.5%
37.5 / 100
0.0%
−18
–   Hiarcs 13.12897+17
−17
(+74)43.5 − 56.5
(+26−39=35)
43.5%
43.5 / 100
0.0%
+30
–   EXchess 7.71b2894+14
−15
(+71)40.5 − 59.5
(+30−49=21)
40.5%
40.5 / 100
0.0%
0
–   Cheng 4.392884+12
−13
(+61)47.5 − 52.5
(+37−42=21)
47.5%
47.5 / 100
0.0%
+42
–   Deep Sjeng WC20082877+8
−8
(+54)40.5 − 59.5
(+27−46=27)
40.5%
40.5 / 100
0.0%
−11
–   Shredder 112876+12
−12
(+53)39 − 61
(+28−50=22)
39.0%
39.0 / 100
0.0%
−25
–   Bobcat 7.62863+18
−18
(+40)42 − 58
(+29−45=26)
42.0%
42.0 / 100
0.0%
−15
–   The Baron 3.442858+17
−16
(+35)46 − 54
(+35−43=22)
46.0%
46.0 / 100
0.0%
+3
–   Cheng4 0.382833+17
−17
(+10)45.5 − 54.5
(+34−43=23)
45.5%
45.5 / 100
14.5%
−22
–   Minic 1.152831+20
−20
(+8)49.5 − 60.5
(+34−45=31)
45.0%
49.5 / 110
25.0%
−27
–   Hiarcs 12.12825+12
−12
(+2)53.5 − 46.5
(+37−30=33)
53.5%
53.5 / 100
38.2%
+23
–   Cheese 2.22823+19
−19
(0)47.5 − 52.5
(+36−41=23)
47.5%
47.5 / 100
50.8%
−15
–   EXchess 7.18b2815+14
−14
(−8)47 − 53
(+35−41=24)
47.0%
47.0 / 100
83.0%
−30
–   Bobcat 7.12811+18
−18
(−12)50 − 50
(+34−34=32)
50.0%
50.0 / 100
89.6%
−13
–   Tornado 8.02806+16
−16
(−17)51 − 49
(+40−38=22)
51.0%
51.0 / 100
97.5%
−10
–   Glaurung 2.22793+14
−14
(−30)55.5 − 44.5
(+41−30=29)
55.5%
55.5 / 100
100.0%
+8
–   The Baron 3.292787+16
−16
(−36)60 − 40
(+47−27=26)
60.0%
60.0 / 100
100.0%
+33
–   Arminius 2018-12-232784+17
−17
(−39)57 − 43
(+44−30=26)
57.0%
57.0 / 100
100.0%
+11
–   GNU Chess 5.602781+11
−11
(−42)55 − 45
(+44−34=22)
55.0%
55.0 / 100
100.0%
−6
–   Cheng4 0.36a2772+13
−13
(−51)54.5 − 45.5
(+41−32=27)
54.5%
54.5 / 100
100.0%
−17
–   Cheese 2.02757+16
−17
(−66)68 − 42
(+57−31=22)
61.8%
68.0 / 110
100.0%
+21
–   GNU Chess 5.502756+13
−13
(−67)61.5 − 38.5
(+50−27=23)
61.5%
61.5 / 100
100.0%
+15
–   Octochess 51902755+12
−12
(−68)58 − 42
(+47−31=22)
58.0%
58.0 / 100
100.0%
−7
–   Loop for Chess9602755+7
−7
(−68)68 − 32
(+56−20=24)
68.0%
68.0 / 100
100.0%
+61
–   Tornado 4.882753+11
−11
(−70)58 − 42
(+48−32=20)
58.0%
58.0 / 100
100.0%
−10
–   Bright 0.4a2724+9
−9
(−99)59.5 − 40.5
(+52−33=15)
59.5%
59.5 / 100
100.0%
−26
–   Spike 1.2 Turin2711+9
−9
(−112)70 − 30
(+61−21=18)
70.0%
70.0 / 100
100.0%
+39
–   Frenzee 3.5.192710+10
−11
(−113)73 − 27
(+67−21=12)
73.0%
73.0 / 100
100.0%
+74
–   EXchess 6.50b2689+14
−13
(−134)62 − 38
(+47−23=30)
62.0%
62.0 / 100
100.0%
−51
–   Tornado 4.42688+13
−13
(−135)72 − 28
(+59−15=26)
72.0%
72.0 / 100
100.0%
+21
–   Nebula 2.02609+10
−10
(−214)75.5 − 24.5
(+64−13=23)
75.5%
75.5 / 100
100.0%
−24
–   Daydreamer 1.752609+9
−9
(−214)76 − 24
(+63−11=26)
76.0%
76.0 / 100
100.0%
−25
–   Frenzee Feb082569+12
−12
(−254)84.5 − 15.5
(+78−9=13)
84.5%
84.5 / 100
100.0%
+39
–   Movei 00.8.4382569+7
−8
(−254)86.5 − 13.5
(+79−6=15)
86.5%
86.5 / 100
100.0%
+54
–   Tornado 4.12562+15
−15
(−261)82.5 − 17.5
(+75−10=15)
82.5%
82.5 / 100
100.0%
+7
–   GNU Chess 5.07.173b2551+13
−13
(−272)85.5 − 14.5
(+80−9=11)
85.5%
85.5 / 100
100.0%
+40
–   Pharaon 3.5.12546+7
−8
(−277)85 − 15
(+76−6=18)
85.0%
85.0 / 100
100.0%
+6
–   The Baron 2.232545+10
−10
(−278)88 − 12
(+80−4=16)
88.0%
88.0 / 100
100.0%
+43
–   Hermann 2.82534+10
−10
(−289)91.5 − 8.5
(+88−5=7)
91.5%
91.5 / 100
100.0%
+121
–   Amyan 1.722526+10
−10
(−297)82 − 18
(+74−10=16)
82.0%
82.0 / 100
100.0%
−37
–   Jonny 2.832525+9
−9
(−298)78 − 22
(+71−15=14)
78.0%
78.0 / 100
100.0%
−70

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Cyclone xTreme Fear
played with current
participants of this list
Represented by
1-2-CPU#3228302400itself
All#3228302400itself
Free#2628292100itself
Free 1-2-CPU#2628292100itself
Free single-CPU#2628292100itself
Open source#152939500itself
Open source 1-2-CPU#152939500itself
Open source single-CPU#152939500itself
Single-CPU#3228302400itself

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