CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Peacekeeper 2.20 64-bit (3394+16
−16		)Quote
Author: Kyle Zhang Link: Homepage
This is one of the 15 Peacekeeper versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 16 64-bit3623+8
−8		(+229)4 − 25
(+0−21=8)		13.8%
4.0 / 29
0.0%
−45
–   Berserk 12 64-bit3589+9
−9		(+195)5 − 25
(+0−20=10)
16.7%
5.0 / 30
0.0%
−49
–   RubiChess 20230918 64-bit3550+9
−9		(+156)9.5 − 20.5
(+1−12=17)
31.7%
9.5 / 30
0.0%
+34
–   Caissa 1.14.1 64-bit3549+12
−12		(+155)7 − 21
(+0−14=14)		25.0%
7.0 / 28
0.0%
−11
–   Alexandria 5.0 64-bit3513+10
−10		(+119)6.5 − 22.5
(+0−16=13)		22.4%
6.5 / 29
0.0%
−73
–   Arasan 24.1 64-bit3505+13
−13		(+111)9.5 − 14.5
(+0−5=19)		39.6%
9.5 / 24
0.0%
+48
–   Viridithas 11.0.0 64-bit3504+10
−10		(+110)10.5 − 18.5
(+1−9=19)		36.2%
10.5 / 29
0.0%
+22
–   Velvet 7.0.0 64-bit3494+16
−16		(+100)8 − 16
(+1−9=14)		33.3%
8.0 / 24
0.0%
−11
–   Booot 7.3 64-bit3484+10
−10		(+90)9.5 − 14.5
(+1−6=17)		39.6%
9.5 / 24
0.0%
+22
–   Stormphrax 4.0.0 64-bit3476+14
−14		(+82)1 − 5
(+0−4=2)		16.7%
1.0 / 6
0.0%
−163
–   Velvet 6.0.0 64-bit3452+16
−16		(+58)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.0%
−1
–   Superultra 1.0 64-bit3442+10
−10		(+48)16 − 18
(+3−5=26)
47.1%
16.0 / 34
0.0%
+30
–   akimbo 0.8.0 64-bit3441+17
−17		(+47)12 − 18
(+2−8=20)
40.0%
12.0 / 30
0.0%
−16
–   Black Marlin 8.0 64-bit3441+11
−11		(+47)11.5 − 18.5
(+2−9=19)
38.3%
11.5 / 30
0.0%
−27
–   PlentyChess 0.2.1 64-bit3441+17
−17		(+47)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.0%
+47
–   Velvet 5.3.0 64-bit3433+11
−11		(+39)15 − 15
(+3−3=24)
50.0%
15.0 / 30
0.0%
+37
–   Lizard 10.1 64-bit3430+16
−16		(+36)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.1%
+36
–   Wasp 6.50 64-bit3419+10
−10		(+25)3.5 − 4.5
(+1−2=5)		43.8%
3.5 / 8
0.4%
−12
–   Midnight 9 64-bit3402+12
−12		(+8)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
22.8%
−63
–   Stormphrax 2.0.0 64-bit3399+15
−15		(+5)13.5 − 14.5
(+4−5=19)		48.2%
13.5 / 28
34.1%
−6
–   Renegade 1.0.0 64-bit3395+13
−13		(+1)14.5 − 14.5
(+3−3=23)		50.0%
14.5 / 29
47.2%
+1
–   akimbo 0.7.0 64-bit3391+15
−15		(−3)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
63.6%
−80
–   Texel 1.10 64-bit3391+16
−16		(−3)5 − 5
(+1−1=8)		50.0%
5.0 / 10
63.1%
−3
–   pawn 2.0 64-bit3387+12
−12		(−7)16.5 − 17.5
(+2−3=29)
48.5%
16.5 / 34
77.2%
−14
–   Marvin 6.2.0 64-bit3386+13
−13		(−8)3 − 5
(+0−2=6)		37.5%
3.0 / 8
81.2%
−85
–   Smallbrain 7.0 64-bit3385+9
−9		(−9)2 − 2
(+0−0=4)		50.0%
2.0 / 4
85.3%
−9
–   chess.cpp 4.0 64-bit3384+13
−13		(−10)6.5 − 7.5
(+1−2=11)		46.4%
6.5 / 14
86.2%
−29
–   BlackCore 6.0 64-bit3381+11
−11		(−13)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
92.1%
−84
–   Halogen 11 64-bit3380+9
−9		(−14)4 − 4
(+1−1=6)		50.0%
4.0 / 8
94.3%
−14
–   Clarity 4.1.0 64-bit3377+17
−17		(−17)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
93.7%
+54
–   Lizard 10.0 64-bit3368+19
−19		(−26)9 − 9
(+1−1=16)		50.0%
9.0 / 18
98.8%
−26
–   Avalanche 2.1.0 64-bit3345+12
−12		(−49)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
+22
–   Tucano 11.00 64-bit3343+12
−12		(−51)6.5 − 3.5
(+3−0=7)		65.0%
6.5 / 10
100.0%
+39
–   Willow 3.1 64-bit3341+10
−10		(−53)26 − 18
(+10−2=32)
59.1%
26.0 / 44
100.0%
+3
–   akimbo 0.6.0 64-bit3337+14
−14		(−57)18 − 12
(+7−1=22)
60.0%
18.0 / 30
100.0%
+3
–   Devre 5.0 64-bit3314+13
−13		(−80)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−2
–   Little Goliath Evolution 3.17 64-bit3287+9
−9		(−107)21 − 9
(+12−0=18)
70.0%
21.0 / 30
100.0%
+21
–   Peacekeeper 2.00 64-bit3284+12
−12		(−110)22.5 − 7.5
(+15−0=15)
75.0%
22.5 / 30
100.0%
+55
–   Expositor 2BR17 64-bit3273+11
−11		(−121)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−43
–   Kuma 1.2 64-bit3268+13
−13		(−126)23 − 7
(+17−1=12)
76.7%
23.0 / 30
100.0%
+61
–   DanaSah 9.1 64-bit3251+10
−10		(−143)21 − 9
(+13−1=16)
70.0%
21.0 / 30
100.0%
−12
–   Drofa 4.1.0 64-bit3249+14
−14		(−145)4.5 − 1.5
(+3−0=3)		75.0%
4.5 / 6
100.0%
+23
–   Starzix 1.0 64-bit3217+19
−19		(−177)23.5 − 6.5
(+17−0=13)
78.3%
23.5 / 30
100.0%
+18
–   Altair 5.0.0 64-bit3174+14
−14		(−220)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+23
–   Marvin 5.1.0 64-bit3168+15
−15		(−226)22.5 − 6.5
(+17−1=11)		77.6%
22.5 / 29
100.0%
−29
879 games: 167 wins, 172 losses, 540 draws (61.4%), score: 49.7%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024