CCRL 40/4
Downloads and Statistics
July 7, 2018
Testing summary:
Total: 1'767'897 games
played by 2'077 programs
23648 CPU days (X2 4600+)

White wins: 690'693 (39.1%)
Black wins: 560'081 (31.7%)
Draws: 517'123 (29.3%)
White score: 53.7%

Engine Details

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Show each game results
Betsy 6.51 Nobook#234‑235  (2356+12
−12		)Quote
Author: Landon W. Rabern (USA) Links: Homepage, WBEC
This is the only Betsy version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   chess22k 1.8 64-bit2957+17
−17		(+601)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Cheng 4.39 64-bit2944+10
−10		(+588)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   BugChess2 1.9 64-bit2760+9
−9		(+404)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Bison 9.11 64-bit2757+10
−10		(+401)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Delfi 5.42681+7
−7		(+325)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   RedQueen 1.1.98 64-bit2668+18
−18		(+312)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Rotor 0.82612+11
−11		(+256)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   GarboChess 3.0 64-bit2581+26
−26		(+225)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Deuterium 09.01.26.4922561+17
−17		(+205)2.5 − 27.5
(+0−25=5)
8.3%
2.5 / 30
0.0%
−155
–   AnMon 5.752539+7
−8		(+183)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Fridolin 2.0 64-bit2534+12
−12		(+178)1 − 0
(+1−0=0)		100.0%
1.0 / 1
0.0%
+INF
–   JikChess 0.02 64-bit2526+14
−14		(+170)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Little Goliath Evolution 3.122505+7
−7		(+149)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Drosophila 1.5.1 64-bit2489+18
−18		(+133)6 − 10
(+5−9=2)		37.5%
6.0 / 16
0.0%
+41
–   Kiwi 0.6d 64-bit2466+11
−11		(+110)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+289
–   Jumbo 0.6.10 64-bit2461+18
−18		(+105)12.5 − 7.5
(+11−6=3)		62.5%
12.5 / 20
0.0%
+203
–   LittleThought 1.052 64-bit2455+10
−10		(+99)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Dimitri 4.002452+21
−21		(+96)15 − 14
(+13−12=4)		51.7%
15.0 / 29
0.0%
+112
–   Matacz 1.3 HT742443+14
−14		(+87)10 − 22
(+8−20=4)
31.3%
10.0 / 32
0.0%
−61
–   SpiderChess 0706032439+7
−8		(+83)12.5 − 19.5
(+6−13=13)
39.1%
12.5 / 32
0.0%
+13
–   Ares 1.005.2 64-bit2437+13
−13		(+81)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   King of Kings 2.562434+9
−9		(+78)14 − 18
(+11−15=6)
43.8%
14.0 / 32
0.0%
+31
–   LambChop 10.992433+8
−8		(+77)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
−46
–   Eeyore 1.52 64-bit2427+10
−10		(+71)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+101
–   RomiChess P3n 64-bit2425+18
−18		(+69)1 − 0
(+1−0=0)		100.0%
1.0 / 1
0.0%
+INF
–   Nejmet 3.072425+8
−8		(+69)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
+3
–   Gaia 3.5 64-bit2425+9
−9		(+69)14.5 − 24.5
(+10−20=9)
37.2%
14.5 / 39
0.0%
−24
–   Quark 2.352423+9
−9		(+67)12.5 − 20.5
(+8−16=9)
37.9%
12.5 / 33
0.0%
−15
–   Snitch 1.6.2 32-bit2420+10
−10		(+64)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.0%
+41
–   Caligula 0.7b2420+17
−17		(+64)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+33
–   Dragon 4.62419+8
−8		(+63)14 − 18
(+10−14=8)
43.8%
14.0 / 32
0.0%
+18
–   Hussar 0.42419+10
−10		(+63)1 − 0
(+1−0=0)		100.0%
1.0 / 1
0.0%
+INF
–   Flux 2.2.12414+75
−74		(+58)0 − 1
(+0−1=0)		0.0%
0.0 / 1
6.3%
−INF
–   Lozza 1.17a 64-bit2409+18
−18		(+53)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   KnightDreamer 3.32395+12
−12		(+39)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.0%
+74
–   Bearded N44.5 64-bit2394+19
−19		(+38)14 − 16
(+9−11=10)
46.7%
14.0 / 30
0.0%
+15
–   PostModernist 10162391+11
−11		(+35)17 − 19
(+12−14=10)
47.2%
17.0 / 36
0.0%
+16
–   Leila 0.53h2386+9
−9		(+30)19.5 − 13.5
(+16−10=7)
59.1%
19.5 / 33
0.0%
+95
–   Diablo 0.5.12385+10
−10		(+29)32.5 − 38.5
(+18−24=29)
45.8%
32.5 / 71
0.0%
+1
–   Amy 0.87b2384+9
−9		(+28)18.5 − 14.5
(+14−10=9)
56.1%
18.5 / 33
0.0%
+67
–   Gosu 0.162381+8
−8		(+25)33 − 46
(+24−37=18)
41.8%
33.0 / 79
0.0%
−34
–   Comet B682376+9
−9		(+20)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.3%
−75
–   Patzer 3.802375+9
−9		(+19)22 − 26
(+16−20=12)
45.8%
22.0 / 48
0.5%
−11
–   Myrddin 0.87 64-bit2375+13
−13		(+19)0 − 1
(+0−1=0)		0.0%
0.0 / 1
1.4%
−INF
–   Sjeng 12.132375+11
−11		(+19)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.8%
−45
–   Cmcchess 2.6 64-bit2374+12
−12		(+18)0 − 1
(+0−1=0)		0.0%
0.0 / 1
1.6%
−INF
–   Der Bringer 1.92373+8
−8		(+17)15 − 18
(+10−13=10)
45.5%
15.0 / 33
0.8%
−16
–   Djinn 0.925x2373+9
−9		(+17)10 − 22
(+7−19=6)
31.3%
10.0 / 32
1.2%
−124
–   Muse 0.899b2371+9
−9		(+15)18 − 14
(+13−9=10)
56.3%
18.0 / 32
1.6%
+57
–   Giraffe 20161023 64-bit2369+15
−15		(+13)1 − 0
(+1−0=0)		100.0%
1.0 / 1
8.2%
+INF
–   Dirty ACCA32368+14
−15		(+12)13.5 − 16.5
(+10−13=7)
45.0%
13.5 / 30
9.3%
−26
–   The Crazy Bishop 00522364+9
−9		(+8)18 − 14
(+14−10=8)
56.3%
18.0 / 32
13.0%
+50
–   Homer 2.012356+10
−9		(0)34.5 − 29.5
(+27−22=15)
53.9%
34.5 / 64
50.3%
+27
–   Glass 1.32356+16
−16		(0)13.5 − 16.5
(+11−14=5)
45.0%
13.5 / 30
50.8%
−41
–   Dimitri 3.932352+24
−24		(−4)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
60.6%
−34
–   Amateur 2.822352+8
−8		(−4)35 − 27
(+29−21=12)
56.5%
35.0 / 62
73.5%
+44
–   Phalanx XXII Reborn JA2351+12
−12		(−5)12.5 − 19.5
(+10−17=5)
39.1%
12.5 / 32
72.5%
−89
–   GNU Chess 5.07.9b 64-bit2347+15
−15		(−9)22.5 − 17.5
(+19−14=7)
56.3%
22.5 / 40
82.5%
+35
–   Tigran 2.4n 64-bit2346+12
−12		(−10)0 − 1
(+0−1=0)		0.0%
0.0 / 1
88.9%
−INF
–   Horizon 4.42342+9
−9		(−14)35.5 − 28.5
(+29−22=13)
55.5%
35.5 / 64
97.7%
+26
–   Queen 4.032338+8
−8		(−18)36.5 − 27.5
(+26−17=21)
57.0%
36.5 / 64
99.4%
+28
–   Arion 1.72334+7
−8		(−22)28 − 34
(+18−24=20)
45.2%
28.0 / 62
99.9%
−54
–   Thor's Hammer 2.28 32-bit2330+13
−13		(−26)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
99.9%
−40
–   Sorgenkind 0.42329+12
−12		(−27)28.5 − 36.5
(+23−31=11)
43.8%
28.5 / 65
99.9%
−73
–   Sage 3.532325+8
−8		(−31)32.5 − 33.5
(+26−27=13)
49.2%
32.5 / 66
100.0%
−36
–   Barbarossa 0.4.0 64-bit2324+14
−14		(−32)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−1
–   Chezzz 1.0.32324+9
−9		(−32)20 − 14
(+13−7=14)
58.8%
20.0 / 34
100.0%
+25
–   Jumbo 0.5.27 64-bit2322+24
−24		(−34)13 − 9
(+11−7=4)		59.1%
13.0 / 22
99.4%
+24
–   Jazz 840 64-bit2321+21
−21		(−35)0 − 1
(+0−1=0)		0.0%
0.0 / 1
99.8%
−INF
–   Aice 0.99.22312+9
−9		(−44)23 − 25
(+17−19=12)
47.9%
23.0 / 48
100.0%
−56
–   Averno 0.812308+10
−10		(−48)23.5 − 9.5
(+19−5=9)
71.2%
23.5 / 33
100.0%
+103
–   EveAnn 1.71a2307+16
−15		(−49)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
–   Asterisk 0.62307+10
−10		(−49)37 − 27
(+29−19=16)
57.8%
37.0 / 64
100.0%
+8
–   Joker 1.1.142304+13
−13		(−52)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−82
–   Tytan 9.32 64-bit2303+13
−13		(−53)37.5 − 27.5
(+29−19=17)
57.7%
37.5 / 65
100.0%
+3
–   Resp 0.19 64-bit Nobook2299+11
−10		(−57)21.5 − 9.5
(+19−7=5)
69.4%
21.5 / 31
100.0%
+93
–   KnightX 1.922296+8
−8		(−60)29 − 33
(+24−28=10)
46.8%
29.0 / 62
100.0%
−85
–   Eeyore 1.482289+12
−12		(−67)43.5 − 18.5
(+35−10=17)
70.2%
43.5 / 62
100.0%
+74
–   Ayito 0.2.9942286+11
−11		(−70)21 − 11
(+19−9=4)
65.6%
21.0 / 32
100.0%
+56
–   Matilde 2008 64-bit2281+13
−14		(−75)40 − 24
(+31−15=18)
62.5%
40.0 / 64
100.0%
+12
–   Rival 1.0.1 64-bit2273+16
−16		(−83)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−52
–   Scidlet 3.61 64-bit2269+11
−11		(−87)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+10
–   Esc 1.162266+9
−9		(−90)20.5 − 11.5
(+16−7=9)
64.1%
20.5 / 32
100.0%
+8
–   EXchess 5.01b 64-bit2264+13
−13		(−92)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
+45
–   KMTChess 1.2.1 64-bit2262+19
−19		(−94)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−63
–   Natwarlal 0.142261+8
−8		(−95)34 − 31
(+25−22=18)
52.3%
34.0 / 65
100.0%
−76
–   Zeus 1.292259+9
−9		(−97)38 − 27
(+31−20=14)
58.5%
38.0 / 65
100.0%
−34
–   Doctor 3.02256+19
−19		(−100)20 − 12
(+14−6=12)
62.5%
20.0 / 32
100.0%
−19
–   GopherCheck 0.2.3 64-bit2238+16
−16		(−118)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−87
–   Ant 2006-F2237+9
−9		(−119)21 − 13
(+18−10=6)
61.8%
21.0 / 34
100.0%
−28
–   Anechka 0.082235+8
−8		(−121)27 − 13
(+23−9=8)
67.5%
27.0 / 40
100.0%
+10
–   AliChess 4.252234+10
−10		(−122)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
–   Dorpsgek Eves-Temptation 64-bit2234+20
−20		(−122)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Dorky 3.482225+13
−13		(−131)26.5 − 5.5
(+24−3=5)
82.8%
26.5 / 32
100.0%
+136
–   Adam 3.32223+10
−11		(−133)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   RamJet 0.132216+16
−16		(−140)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
–   Buzz 0.08 64-bit2212+14
−14		(−144)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Chispa 4.0.32204+8
−8		(−152)25 − 8
(+17−0=16)
75.8%
25.0 / 33
100.0%
+4
–   CyberPagno 2.12204+10
−10		(−152)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
0
–   ChessAlex 2.0r42203+16
−16		(−153)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Beowulf 2.4a 32-bit2198+11
−11		(−158)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Latista (Sinobyl) 1.52194+11
−11		(−162)25 − 8
(+23−6=4)
75.8%
25.0 / 33
100.0%
+47
–   Uralochka 1.1b2187+11
−11		(−169)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Madeleine 0.22183+10
−10		(−173)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−43
–   InmiChess3.06N2160+10
−10		(−196)24 − 8
(+21−5=6)
75.0%
24.0 / 32
100.0%
−3
–   Fortress 1.622133+8
−8		(−223)22 − 10
(+19−7=6)
68.8%
22.0 / 32
100.0%
−79
–   Nesik 0.7.0 alpha2130+10
−10		(−226)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
+47
–   Ax 0.82037+12
−12		(−319)29 − 3
(+27−1=4)
90.6%
29.0 / 32
100.0%
+50
–   Cinnamon 2.0 64-bit2029+14
−14		(−327)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Oberon 0.042011+21
−21		(−345)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−314
–   Faile 1.4.41977+9
−9		(−379)30.5 − 1.5
(+29−0=3)
95.3%
30.5 / 32
100.0%
+83
–   Sissa 2.01958+31
−31		(−398)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Soldat 0.25b1790+12
−12		(−566)29.5 − 1.5
(+28−0=3)
95.2%
29.5 / 31
100.0%
−110
–   Pierre 1.71216+19
−19		(−1140)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
2806 games: 1207 wins, 944 losses, 655 draws (23.3%), score: 54.7%

Rating changes by day

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Created in 2005-2013 by CCRL team
Last games added on July 7, 2018