CCRL 40/15
Downloads and Statistics
March 3, 2021
Testing summary:
Total: 1'221'210 games
played by 2'800 programs

White wins: 419'452 (34.3%)
Black wins: 308'564 (25.3%)
Draws: 493'194 (40.4%)
White score: 54.5%

Engine Details

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Gibbon 2.57a 64-bit (2273+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		(+283)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+140
0 =
–   NirvanaChess 1.1 64-bit2549+26
−26		(+276)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+119
0 =
–   Pepito 1.59.2 64-bit2495+17
−17		(+222)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Murka 2 64-bit2460+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-bit2433+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		(+153)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+310
1 =
–   Ifrit m1.8 64-bit2413+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		(+130)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+34
0 0 = 1
–   Tigran 2.4n 64-bit2402+17
−17		(+129)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−21
= = 0 0
–   Simplex 0.9.8 64-bit2401+17
−17		(+128)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−107
0 0 1 0
–   RomiChess P3L 64-bit2401+23
−23		(+128)4 − 12
(+2−10=4)		25.0%
4.0 / 16
0.0%
−66
0 0 = 0 0 = 0 1 0 0 = 0 = 0 0 1
–   Alex 2.14a 64-bit2394+18
−18		(+121)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.0%
−31
0 = 0 0 = =
–   Jazz 721 64-bit2379+19
−19		(+106)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−51
= 0
–   Betsabe II 1.28 64-bit2376+33
−33		(+103)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−5
= = 0 0 0 0 1 = = 0
–   OliThink 5.3.2 64-bit2374+18
−18		(+101)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+63
= = 0 1 = 1 0 0
–   Capivara LK 0.09a02c 64-bit2368+32
−32		(+95)2 − 1
(+2−1=0)		66.7%
2.0 / 3
0.0%
+251
1 1 0
–   TJchess 1.1 64-bit2365+20
−20		(+92)6 − 6
(+5−5=2)		50.0%
6.0 / 12
0.0%
+105
0 1 1 0 = = 0 1 1 0 1 0
–   Plisk 0.2.7d 64-bit2363+19
−19		(+90)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
0.0%
+36
0 = = 1 1 0 0 0 1 = 0 = 0 0 = 1
–   Myrddin 0.86 64-bit2359+22
−22		(+86)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
+35
0 1 = 0 = 0 1 = = 0
–   Maverick 0.51 64-bit2342+22
−22		(+69)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
−84
= 0 0 1 0 = 0 0 1 0
–   Sjakk 1.1.92326+29
−29		(+53)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.2%
0
0 = = 0 1 =
–   Bagatur 1.3a 64-bit2326+19
−19		(+53)13 − 21
(+7−15=12)
38.2%
13.0 / 34
0.0%
−25
= 1 = 0 1 0 1 = = = 0 1 = 0 0 = 0 = 0 0 1 0 = = = 1 0 1 0 = 0 0 0 0
–   EveAnn 1.672320+30
−30		(+47)3 − 7
(+0−4=6)		30.0%
3.0 / 10
0.7%
−60
= 0 0 0 = = = = = 0
–   ECE 12.012319+22
−22		(+46)11.5 − 10.5
(+8−7=7)		52.3%
11.5 / 22
0.2%
+58
0 0 0 1 1 1 1 1 = = = 0 0 = = 1 1 0 = = 0 1
–   EveAnn 1.71a2319+21
−21		(+46)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
0.2%
+111
1 1 0 = 0 1
–   Capivara LK 0.09a02a 64-bit2315+31
−31		(+42)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
1.8%
+184
= 1
–   Waxman 20132314+25
−25		(+41)7 − 5
(+5−3=4)		58.3%
7.0 / 12
0.9%
+96
1 1 0 0 0 = = 1 = = 1 1
–   Mediocre 0.42314+27
−27		(+41)0 − 1
(+0−1=0)		0.0%
0.0 / 1
1.3%
−INF
0
–   NoraGrace 1.0 64-bit2309+29
−29		(+36)5 − 5
(+4−4=2)		50.0%
5.0 / 10
2.9%
+36
0 0 = 1 0 1 1 0 1 =
–   Pedone 0.3 64-bit2309+33
−33		(+36)6.5 − 5.5
(+4−3=5)		54.2%
6.5 / 12
4.1%
+67
= 1 = = 0 1 1 0 = 1 0 =
–   Capivara LK 0.09a01a 64-bit2308+25
−24		(+35)4.5 − 3.5
(+2−1=5)		56.3%
4.5 / 8
2.2%
+75
= = 1 = = 0 = 1
–   Waxman 20112305+26
−27		(+32)11.5 − 10.5
(+8−7=7)		52.3%
11.5 / 22
3.7%
+39
1 0 = 1 0 = 1 1 1 1 0 = = = = 1 1 0 0 0 = 0
–   Zeus 1.292303+20
−20		(+30)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
2.8%
+172
1 =
–   Anechka 0.082302+19
−19		(+29)2 − 0
(+2−0=0)		100.0%
2.0 / 2
3.0%
+INF
1 1
–   Natwarlal 0.142299+19
−19		(+26)1 − 1
(+1−1=0)		50.0%
1.0 / 2
4.7%
+26
1 0
–   Mediocre 0.52294+23
−23		(+21)12 − 12
(+8−8=8)		50.0%
12.0 / 24
10.0%
+22
1 = = 1 = 0 0 1 0 = = 1 = = 1 0 = 0 1 0 1 0 1 0
–   FireFly 2.7.0 64-bit2287+17
−17		(+14)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
16.6%
−68
0 = 1 0
–   Rhetoric Lite2285+35
−35		(+12)4 − 8
(+3−7=2)		33.3%
4.0 / 12
28.1%
−132
0 0 1 1 0 = 0 0 0 1 0 =
–   AliChess 4.252283+19
−19		(+10)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
26.5%
+62
= = 1 1 = 0
–   Butcher 1.64 64-bit2281+20
−20		(+8)18.5 − 15.5
(+13−10=11)
54.4%
18.5 / 34
29.7%
+42
0 1 = 1 1 = = 0 0 = 1 0 = 1 = 1 = = 1 1 1 0 0 0 0 1 1 1 = 0 0 1 = =
–   Tigran 2.3 64-bit2262+34
−34		(−11)9 − 9
(+7−7=4)		50.0%
9.0 / 18
70.7%
−13
1 1 1 = 0 1 0 0 0 = 1 1 1 0 = = 0 0
–   Exacto 0.e 64-bit2252+18
−18		(−21)1 − 1
(+1−1=0)		50.0%
1.0 / 2
92.0%
−21
1 0
–   Beowulf 2.4a 64-bit2250+18
−18		(−23)4 − 2
(+3−1=2)		66.7%
4.0 / 6
93.9%
+81
1 = 0 1 1 =
–   MadChess 1.4 64-bit2249+21
−21		(−24)1 − 1
(+1−1=0)		50.0%
1.0 / 2
93.4%
−24
1 0
–   Jazz 501 64-bit2249+31
−31		(−24)5 − 3
(+4−2=2)		62.5%
5.0 / 8
89.1%
+58
= 0 = 1 0 1 1 1
–   Mango Paola Ajedrez 4.12246+19
−19		(−27)5 − 5
(+3−3=4)		50.0%
5.0 / 10
96.5%
−27
0 = = 1 0 = 1 0 = 1
–   Absolute Zero 2.4.0.0 64-bit2243+23
−23		(−30)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
96.5%
+90
0 1 1 1 = = 1 =
–   FireFly 2.6.0 64-bit2234+33
−33		(−39)14 − 10
(+10−6=8)		58.3%
14.0 / 24
97.7%
+16
= 1 1 = = 0 1 0 0 = 1 0 1 = = 0 0 1 1 = = 1 1 1
–   Dolphin 1.0 64-bit2231+18
−18		(−42)3 − 3
(+2−2=2)		50.0%
3.0 / 6
99.7%
−42
1 = = 1 0 0
–   Mango Paola Ajedrez 1.02227+33
−33		(−46)5.5 − 8.5
(+4−7=3)		39.3%
5.5 / 14
98.9%
−128
= 1 0 1 0 = 1 1 0 0 0 = 0 0
–   Vajolet 1.62.12223+34
−34		(−50)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
99.3%
+4
= 1 1 = 1 = 0 0
–   Myrddin 0.85 64-bit2219+27
−27		(−54)1 − 1
(+0−0=2)		50.0%
1.0 / 2
99.8%
−54
= =
–   MadChess 1.3 64-bit2215+34
−34		(−58)6.5 − 3.5
(+6−3=1)		65.0%
6.5 / 10
99.8%
+64
0 0 1 1 = 0 1 1 1 1
–   Adam 3.32211+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		(−63)18 − 12
(+12−6=12)
60.0%
18.0 / 30
100.0%
−1
0 1 1 1 = 1 1 1 0 0 1 = = = = = = 1 = 0 = 1 0 = = 1 1 1 = 0
–   FireFly 2.5.13 64-bit2209+34
−34		(−64)3 − 3
(+1−1=4)		50.0%
3.0 / 6
99.9%
−82
1 = = 0 = =
–   Latista (Sinobyl) 1.52206+22
−22		(−67)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
1 1 1 1
–   Carballo 0.82196+22
−22		(−77)7.5 − 8.5
(+5−6=5)		46.9%
7.5 / 16
100.0%
−99
= = = 1 = 0 1 1 0 1 = 1 0 0 0 0
–   Shallow 1.0 64-bit2186+32
−32		(−87)8.5 − 9.5
(+5−6=7)		47.2%
8.5 / 18
100.0%
−98
0 = = 1 1 = 1 0 = = 0 0 = = 0 0 1 1
–   Fischerle 0.9.30b 64-bit2185+29
−29		(−88)10 − 4
(+8−2=4)		71.4%
10.0 / 14
100.0%
+60
1 0 = = 1 1 1 1 1 = 1 = 0 1
–   Kurt 0.9.2.2 64-bit2166+21
−21		(−107)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−107
1 0
–   ProChess 1.02AD2163+19
−19		(−110)13 − 11
(+11−9=4)		54.2%
13.0 / 24
100.0%
−76
1 = = = 1 1 1 0 0 1 1 1 0 0 0 0 1 = 0 0 1 0 1 1
–   Maverick 0.2 64-bit2142+30
−30		(−131)7.5 − 6.5
(+6−5=3)		53.6%
7.5 / 14
100.0%
−103
= 0 1 0 1 0 0 0 1 = 1 1 1 =
–   MadChess 1.2 64-bit2113+26
−26		(−160)7 − 5
(+6−4=2)		58.3%
7.0 / 12
100.0%
−96
0 0 1 1 1 0 = 0 1 = 1 1
–   Carballo 0.52097+23
−23		(−176)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−176
0 1
–   BigLion 2.23x2067+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		(−222)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−222
1 0
–   Cupcake 1.1a 64-bit2025+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		(−261)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−103
= 1
–   AdroitChess 0.31983+25
−25		(−290)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Dabbaba 5.671965+25
−25		(−308)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Soldat III 0.172 32-bit1949+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 7.491907+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 130320121906+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		(−484)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 March 3, 2021