CCRL 40/15
Downloads and Statistics
January 9, 2021
Testing summary:
Total: 1'204'486 games
played by 2'764 programs

White wins: 414'243 (34.4%)
Black wins: 305'352 (25.4%)
Draws: 484'891 (40.3%)
White score: 54.5%

Engine Details

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Gibbon 2.57a 64-bit (2274+23
−23		)Quote
Author: Eric Marathee (France) Link: UCIengines.de
This is one of the 6 Gibbon versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Capivara LK 0.09b02c 64-bit2556+21
−20		(+282)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+139
0 =
–   NirvanaChess 1.1 64-bit2550+26
−26		(+276)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+119
0 =
–   Pepito 1.59.2 64-bit2496+17
−17		(+222)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Murka 2 64-bit2461+24
−24		(+187)0.5 − 5.5
(+0−5=1)		8.3%
0.5 / 6
0.0%
−140
0 0 0 0 = 0
–   Delphil 2.9g 64-bit2434+33
−33		(+160)3 − 3
(+2−2=2)		50.0%
3.0 / 6
0.0%
+129
1 = = 0 1 0
–   Betsabe II 1.30 64-bit2426+23
−23		(+152)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+309
1 =
–   Ifrit m1.8 64-bit2414+18
−18		(+140)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−17
0 =
–   Sjakk 2.0 64-bit2403+24
−24		(+129)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+33
0 0 = 1
–   Tigran 2.4n 64-bit2402+17
−17		(+128)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−22
0 = = 0
–   RomiChess P3L 64-bit2401+23
−23		(+127)4 − 12
(+2−10=4)		25.0%
4.0 / 16
0.0%
−67
0 0 0 = 0 0 = 0 1 0 = 0 = 0 0 1
–   Simplex 0.9.8 64-bit2400+17
−17		(+126)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−109
0 0 1 0
–   Alex 2.14a 64-bit2394+18
−18		(+120)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.0%
−32
0 = 0 0 = =
–   Jazz 721 64-bit2380+19
−19		(+106)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−51
= 0
–   Betsabe II 1.28 64-bit2377+33
−33		(+103)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−5
= = 0 0 0 0 = 0 1 =
–   OliThink 5.3.2 64-bit2375+18
−18		(+101)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+63
= = 1 0 0 0 1 =
–   Capivara LK 0.09a02c 64-bit2369+32
−32		(+95)2 − 1
(+2−1=0)		66.7%
2.0 / 3
0.0%
+251
1 0 1
–   TJchess 1.1 64-bit2365+20
−20		(+91)6 − 6
(+5−5=2)		50.0%
6.0 / 12
0.0%
+104
1 0 = = 0 1 0 1 1 1 0 0
–   Plisk 0.2.7d 64-bit2363+19
−19		(+89)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
0.0%
+35
0 = = 1 1 0 0 0 0 1 = = 1 = 0 0
–   Myrddin 0.86 64-bit2360+22
−22		(+86)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
+35
0 1 1 = = 0 = 0 = 0
–   Maverick 0.51 64-bit2342+22
−22		(+68)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
−85
= 1 0 1 0 = 0 0 0 0
–   Sjakk 1.1.92327+29
−29		(+53)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.2%
0
0 1 = = = 0
–   Bagatur 1.3a 64-bit2327+19
−19		(+53)13 − 21
(+7−15=12)
38.2%
13.0 / 34
0.0%
−25
0 1 = = 0 = 1 = 1 = 0 0 = 0 = = 0 0 1 0 0 1 0 = = = 1 0 0 0 1 0 = 0
–   EveAnn 1.672320+30
−30		(+46)3 − 7
(+0−4=6)		30.0%
3.0 / 10
0.7%
−61
= = = 0 = 0 0 0 = =
–   ECE 12.012320+22
−22		(+46)11.5 − 10.5
(+8−7=7)		52.3%
11.5 / 22
0.2%
+58
0 0 = = 0 0 1 1 1 1 1 = 0 = = 1 1 0 1 = = 0
–   EveAnn 1.71a2319+21
−21		(+45)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
0.2%
+110
1 = 0 1 0 1
–   Mediocre 0.42316+28
−28		(+42)0 − 1
(+0−1=0)		0.0%
0.0 / 1
1.2%
−INF
0
–   Capivara LK 0.09a02a 64-bit2315+31
−31		(+41)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
1.8%
+183
= 1
–   Waxman 20132314+25
−25		(+40)7 − 5
(+5−3=4)		58.3%
7.0 / 12
0.9%
+95
1 0 0 1 = 1 = = = 0 1 1
–   NoraGrace 1.0 64-bit2310+29
−29		(+36)5 − 5
(+4−4=2)		50.0%
5.0 / 10
3.0%
+36
0 0 = 1 0 1 1 0 1 =
–   Pedone 0.3 64-bit2309+33
−33		(+35)6.5 − 5.5
(+4−3=5)		54.2%
6.5 / 12
4.1%
+66
0 1 0 = 1 = 1 = = 0 1 =
–   Capivara LK 0.09a01a 64-bit2308+25
−24		(+34)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
2.2%
+74
= = 1 = 0 = 1 =
–   Waxman 20112305+26
−27		(+31)11.5 − 10.5
(+8−7=7)		52.3%
11.5 / 22
3.7%
+38
0 1 = 1 1 1 1 0 = = 1 0 = = = 0 = 0 0 1 1 0
–   Anechka 0.082303+19
−19		(+29)2 − 0
(+2−0=0)		100.0%
2.0 / 2
3.0%
+INF
1 1
–   Natwarlal 0.142301+19
−19		(+27)1 − 1
(+1−1=0)		50.0%
1.0 / 2
3.7%
+27
1 0
–   Zeus 1.292300+20
−21		(+26)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
5.1%
+168
1 =
–   Mediocre 0.52295+23
−23		(+21)12 − 12
(+8−8=8)		50.0%
12.0 / 24
10.0%
+22
= 1 = 1 0 1 0 0 = = = = = 1 1 0 = 1 0 0 0 1 0 1
–   FireFly 2.7.0 64-bit2288+17
−17		(+14)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
16.6%
−68
= 0 1 0
–   Rhetoric Lite2286+35
−35		(+12)4 − 8
(+3−7=2)		33.3%
4.0 / 12
28.1%
−132
0 0 1 1 1 0 = 0 0 0 0 =
–   AliChess 4.252283+19
−19		(+9)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
26.5%
+61
= = 0 = 1 1
–   Butcher 1.64 64-bit2282+20
−20		(+8)18.5 − 15.5
(+13−10=11)
54.4%
18.5 / 34
29.7%
+42
= 1 1 = 0 0 = 1 = 1 0 = 0 = = 1 1 1 0 0 0 1 = 1 0 1 1 1 = = 0 1 = 0
–   Tigran 2.3 64-bit2262+34
−34		(−12)9 − 9
(+7−7=4)		50.0%
9.0 / 18
70.7%
−14
= 0 1 1 1 1 1 1 0 0 1 0 0 = 0 0 = =
–   Exacto 0.e 64-bit2253+18
−18		(−21)1 − 1
(+1−1=0)		50.0%
1.0 / 2
91.9%
−21
0 1
–   Beowulf 2.4a 64-bit2250+18
−18		(−24)4 − 2
(+3−1=2)		66.7%
4.0 / 6
94.0%
+80
= 1 = 0 1 1
–   MadChess 1.4 64-bit2250+21
−21		(−24)1 − 1
(+1−1=0)		50.0%
1.0 / 2
93.4%
−24
0 1
–   Jazz 501 64-bit2249+31
−31		(−25)5 − 3
(+4−2=2)		62.5%
5.0 / 8
89.2%
+57
= 0 = 1 1 1 0 1
–   Mango Paola Ajedrez 4.12246+19
−19		(−28)5 − 5
(+3−3=4)		50.0%
5.0 / 10
96.4%
−28
= 1 1 0 0 = = 1 0 =
–   Absolute Zero 2.4.0.0 64-bit2244+23
−23		(−30)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
96.5%
+90
= 1 1 0 1 = = 1
–   FireFly 2.6.0 64-bit2234+33
−33		(−40)14 − 10
(+10−6=8)		58.3%
14.0 / 24
97.6%
+15
1 = = 1 1 0 = 1 0 0 1 = 0 0 1 1 1 = = = 0 1 1 =
–   Dolphin 1.0 64-bit2232+18
−18		(−42)3 − 3
(+2−2=2)		50.0%
3.0 / 6
99.7%
−42
0 1 = = 1 0
–   Mango Paola Ajedrez 1.02227+33
−33		(−47)5.5 − 8.5
(+4−7=3)		39.3%
5.5 / 14
98.9%
−129
1 = 0 1 0 = 1 1 0 0 0 = 0 0
–   Vajolet 1.62.12223+34
−34		(−51)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
99.3%
+3
= 1 1 = 1 = 0 0
–   Myrddin 0.85 64-bit2220+27
−27		(−54)1 − 1
(+0−0=2)		50.0%
1.0 / 2
99.9%
−54
= =
–   MadChess 1.3 64-bit2215+34
−34		(−59)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
99.8%
+63
1 = 1 0 0 0 1 1 1 1
–   Adam 3.32212+19
−19		(−62)0 − 2
(+0−2=0)		0.0%
0.0 / 2
100.0%
−INF
0 0
–   ChessKISS 1.7 64-bit2210+20
−20		(−64)18 − 12
(+12−6=12)
60.0%
18.0 / 30
100.0%
−2
= 1 0 1 1 1 = = = 0 1 = = = 0 1 0 = = = 1 = 0 1 1 1 1 1 = 0
–   FireFly 2.5.13 64-bit2209+34
−34		(−65)3 − 3
(+1−1=4)		50.0%
3.0 / 6
99.9%
−83
1 = = 0 = =
–   Latista (Sinobyl) 1.52208+22
−22		(−66)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Carballo 0.82197+22
−22		(−77)7.5 − 8.5
(+5−6=5)		46.9%
7.5 / 16
100.0%
−99
= 1 = = 1 1 0 1 = 0 1 = 0 0 0 0
–   Shallow 1.0 64-bit2187+32
−32		(−87)8.5 − 9.5
(+5−6=7)		47.2%
8.5 / 18
100.0%
−98
1 0 = = = = 0 0 0 = = 0 0 1 = 1 1 1
–   Fischerle 0.9.30b 64-bit2186+29
−29		(−88)10 − 4
(+8−2=4)		71.4%
10.0 / 14
100.0%
+60
1 1 1 0 = = 1 = 1 1 = 1 0 1
–   Kurt 0.9.2.2 64-bit2167+21
−21		(−107)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−107
1 0
–   ProChess 1.02AD2164+19
−19		(−110)13 − 11
(+11−9=4)		54.2%
13.0 / 24
100.0%
−76
= = = 1 1 1 0 1 0 0 0 0 1 0 1 0 1 1 1 0 0 1 = 1
–   Maverick 0.2 64-bit2143+30
−30		(−131)7.5 − 6.5
(+6−5=3)		53.6%
7.5 / 14
100.0%
−103
1 = 0 0 1 0 0 0 1 = 1 1 1 =
–   MadChess 1.2 64-bit2114+26
−26		(−160)7 − 5
(+6−4=2)		58.3%
7.0 / 12
100.0%
−96
0 0 1 1 = 0 1 1 0 1 = 1
–   Carballo 0.52098+23
−23		(−176)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−176
1 0
–   BigLion 2.23x2068+12
−12		(−206)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Rhetoric 0.10.d2051+34
−34		(−223)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−223
0 1
–   Cupcake 1.1a 64-bit2026+22
−22		(−248)5 − 3
(+5−3=0)		62.5%
5.0 / 8
100.0%
−137
0 1 0 1 1 0 1 1
–   Bubble 1.52012+19
−19		(−262)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−104
= 1
–   AdroitChess 0.31984+25
−25		(−290)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Dabbaba 5.671966+25
−25		(−308)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Soldat III 0.172 32-bit1950+32
−33		(−324)6.5 − 1.5
(+6−1=1)		81.3%
6.5 / 8
100.0%
−63
= 1 0 1 1 1 1 1
–   Dabbaba 7.491908+12
−12		(−366)6.5 − 1.5
(+6−1=1)		81.3%
6.5 / 8
100.0%
−104
1 = 1 0 1 1 1 1
–   Jabba 130320121907+31
−31		(−367)5.5 − 0.5
(+5−0=1)		91.7%
5.5 / 6
100.0%
−10
1 = 1 1 1 1
–   Ziggurat 0.18 64-bit1789+42
−43		(−485)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
664 games: 241 wins, 227 losses, 196 draws (29.5%), score: 51.1%

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Created in 2005-2013 by CCRL team
Last games added on January 9, 2021