CCRL 40/2 FRC
Downloads and Statistics
April 3, 2021
Testing summary:
Total: 323'540 games
played by 249 programs

White wins: 130'279 (40.3%)
Black wins: 110'397 (34.1%)
Draws: 82'864 (25.6%)
White score: 53.1%

Engine Details

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Cyclone xTreme Fear#31  (2824+9
−9
)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 2.0.13137+18
−17
(+313)12.5 − 87.5
(+2−77=21)
12.5%
12.5 / 100
0.0%
+13
–   Stockfish 1.83128+19
−19
(+304)9.5 − 90.5
(+4−85=11)
9.5%
9.5 / 100
0.0%
−68
–   Stockfish 1.73112+22
−22
(+288)14 − 86
(+3−75=22)
14.0%
14.0 / 100
0.0%
+8
–   Stockfish 1.9.13109+25
−24
(+285)12 − 88
(+5−81=14)
12.0%
12.0 / 100
0.0%
−43
–   Chiron 23105+10
−10
(+281)16.5 − 83.5
(+9−76=15)
16.5%
16.5 / 100
0.0%
+3
–   Critter 0.903104+20
−20
(+280)18.5 − 81.5
(+9−72=19)
18.5%
18.5 / 100
0.0%
+31
–   Rybka 33087+13
−13
(+263)16 − 84
(+8−76=16)
16.0%
16.0 / 100
0.0%
−17
–   Naum 4.63077+8
−7
(+253)49.5 − 250.5
(+19−220=61)
16.5%
49.5 / 300
0.0%
−11
–   Chiron 1.53039+12
−12
(+215)17 − 83
(+10−76=14)
17.0%
17.0 / 100
0.0%
−59
–   Critter 0.803037+19
−19
(+213)18 − 82
(+10−74=16)
18.0%
18.0 / 100
0.0%
−46
–   Stockfish 1.63036+22
−22
(+212)19 − 81
(+8−70=22)
19.0%
19.0 / 100
0.0%
−24
–   Naum 4.23033+9
−9
(+209)21.5 − 78.5
(+8−65=27)
21.5%
21.5 / 100
0.0%
+2
–   Shredder 123013+8
−8
(+189)29.5 − 70.5
(+20−61=19)
29.5%
29.5 / 100
0.0%
+31
–   Naum 42986+16
−15
(+162)19 − 81
(+9−71=20)
19.0%
19.0 / 100
0.0%
−78
–   Chiron 1.1a2984+13
−14
(+160)29 − 71
(+17−59=24)
29.0%
29.0 / 100
0.0%
+4
–   Cheng 4.402981+15
−15
(+157)29.5 − 70.5
(+19−60=21)
29.5%
29.5 / 100
0.0%
+3
–   Demolito 2017-08-262978+15
−15
(+154)27 − 73
(+19−65=16)
27.0%
27.0 / 100
0.0%
−25
–   Spike 1.4 Leiden2942+8
−8
(+118)41 − 59
(+30−48=22)
41.0%
41.0 / 100
0.0%
+52
–   Stockfish 1.5.12939+19
−19
(+115)32 − 68
(+17−53=30)
32.0%
32.0 / 100
0.0%
−9
–   Hiarcs 13.22928+8
−8
(+104)42.5 − 57.5
(+25−40=35)
42.5%
42.5 / 100
0.0%
+52
–   Bobcat 8.02911+12
−12
(+87)35 − 65
(+24−54=22)
35.0%
35.0 / 100
0.0%
−23
–   EXchess 7.92b2900+12
−12
(+76)37.5 − 62.5
(+28−53=19)
37.5%
37.5 / 100
0.0%
−17
–   Hiarcs 13.12898+16
−16
(+74)43.5 − 56.5
(+26−39=35)
43.5%
43.5 / 100
0.0%
+30
–   EXchess 7.71b2894+14
−15
(+70)40.5 − 59.5
(+30−49=21)
40.5%
40.5 / 100
0.0%
−1
–   Cheng 4.392884+12
−13
(+60)47.5 − 52.5
(+37−42=21)
47.5%
47.5 / 100
0.0%
+41
–   Deep Sjeng WC20082878+8
−8
(+54)40.5 − 59.5
(+27−46=27)
40.5%
40.5 / 100
0.0%
−11
–   Shredder 112877+12
−12
(+53)39 − 61
(+28−50=22)
39.0%
39.0 / 100
0.0%
−25
–   Bobcat 7.62864+18
−18
(+40)42 − 58
(+29−45=26)
42.0%
42.0 / 100
0.0%
−15
–   The Baron 3.442859+17
−16
(+35)46 − 54
(+35−43=22)
46.0%
46.0 / 100
0.0%
+3
–   Cheng4 0.382834+17
−17
(+10)45.5 − 54.5
(+34−43=23)
45.5%
45.5 / 100
14.6%
−22
–   Minic 1.152831+20
−20
(+7)49.5 − 60.5
(+34−45=31)
45.0%
49.5 / 110
24.3%
−28
–   Hiarcs 12.12826+12
−12
(+2)53.5 − 46.5
(+37−30=33)
53.5%
53.5 / 100
37.1%
+23
–   Cheese 2.22823+19
−19
(−1)47.5 − 52.5
(+36−41=23)
47.5%
47.5 / 100
51.5%
−16
–   EXchess 7.18b2816+14
−14
(−8)47 − 53
(+35−41=24)
47.0%
47.0 / 100
82.5%
−30
–   Bobcat 7.12811+18
−18
(−13)50 − 50
(+34−34=32)
50.0%
50.0 / 100
89.6%
−14
–   Tornado 8.02806+16
−16
(−18)51 − 49
(+40−38=22)
51.0%
51.0 / 100
97.5%
−11
–   Glaurung 2.22794+14
−14
(−30)55.5 − 44.5
(+41−30=29)
55.5%
55.5 / 100
100.0%
+8
–   The Baron 3.292788+16
−16
(−36)60 − 40
(+47−27=26)
60.0%
60.0 / 100
100.0%
+33
–   Arminius 2018-12-232785+17
−17
(−39)57 − 43
(+44−30=26)
57.0%
57.0 / 100
100.0%
+11
–   GNU Chess 5.602782+11
−11
(−42)55 − 45
(+44−34=22)
55.0%
55.0 / 100
100.0%
−6
–   Cheng4 0.36a2772+13
−13
(−52)54.5 − 45.5
(+41−32=27)
54.5%
54.5 / 100
100.0%
−18
–   Cheese 2.02757+17
−17
(−67)68 − 42
(+57−31=22)
61.8%
68.0 / 110
100.0%
+20
–   GNU Chess 5.502757+13
−13
(−67)61.5 − 38.5
(+50−27=23)
61.5%
61.5 / 100
100.0%
+15
–   Loop for Chess9602756+8
−7
(−68)68 − 32
(+56−20=24)
68.0%
68.0 / 100
100.0%
+61
–   Octochess 51902755+12
−12
(−69)58 − 42
(+47−31=22)
58.0%
58.0 / 100
100.0%
−8
–   Tornado 4.882754+11
−11
(−70)58 − 42
(+48−32=20)
58.0%
58.0 / 100
100.0%
−10
–   Bright 0.4a2724+9
−9
(−100)59.5 − 40.5
(+52−33=15)
59.5%
59.5 / 100
100.0%
−27
–   Spike 1.2 Turin2711+9
−9
(−113)70 − 30
(+61−21=18)
70.0%
70.0 / 100
100.0%
+38
–   Frenzee 3.5.192710+10
−11
(−114)73 − 27
(+67−21=12)
73.0%
73.0 / 100
100.0%
+73
–   EXchess 6.50b2690+13
−13
(−134)62 − 38
(+47−23=30)
62.0%
62.0 / 100
100.0%
−51
–   Tornado 4.42689+13
−13
(−135)72 − 28
(+59−15=26)
72.0%
72.0 / 100
100.0%
+21
–   Daydreamer 1.752610+9
−9
(−214)76 − 24
(+63−11=26)
76.0%
76.0 / 100
100.0%
−25
–   Nebula 2.02609+10
−10
(−215)75.5 − 24.5
(+64−13=23)
75.5%
75.5 / 100
100.0%
−25
–   Movei 00.8.4382569+8
−8
(−255)86.5 − 13.5
(+79−6=15)
86.5%
86.5 / 100
100.0%
+53
–   Frenzee Feb082569+12
−12
(−255)84.5 − 15.5
(+78−9=13)
84.5%
84.5 / 100
100.0%
+38
–   Tornado 4.12562+15
−15
(−262)82.5 − 17.5
(+75−10=15)
82.5%
82.5 / 100
100.0%
+6
–   GNU Chess 5.07.173b2552+13
−13
(−272)85.5 − 14.5
(+80−9=11)
85.5%
85.5 / 100
100.0%
+40
–   Pharaon 3.5.12547+7
−7
(−277)85 − 15
(+76−6=18)
85.0%
85.0 / 100
100.0%
+6
–   The Baron 2.232546+10
−10
(−278)88 − 12
(+80−4=16)
88.0%
88.0 / 100
100.0%
+43
–   Hermann 2.82535+10
−11
(−289)91.5 − 8.5
(+88−5=7)
91.5%
91.5 / 100
100.0%
+121
–   Amyan 1.722527+10
−9
(−297)82 − 18
(+74−10=16)
82.0%
82.0 / 100
100.0%
−37
–   Jonny 2.832526+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#3128262500itself
All#3128262500itself
Free#2528242200itself
Free 1-2-CPU#2528242200itself
Free single-CPU#2528242200itself
Open source#132816600itself
Open source 1-2-CPU#132816600itself
Open source single-CPU#132816600itself
Single-CPU#3128262500itself

Created in 2005-2008 by CCRL team
Last games added on April 3, 2021