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 1.70 64-bit (3051+19
−19		)Quote
Author: Kyle Zhang Link: Homepage
This is one of the 15 Peacekeeper versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Laser 1.7 64-bit3256+6
−6		(+205)0.5 − 13.5
(+0−13=1)		3.6%
0.5 / 14
0.0%
−264
–   Booot 6.3.1 64-bit3248+8
−8		(+197)3 − 11
(+1−9=4)		21.4%
3.0 / 14
0.0%
−18
–   Drofa 4.0.0 64-bit3234+14
−14		(+183)4 − 10
(+1−7=6)		28.6%
4.0 / 14
0.0%
+27
–   Andscacs 0.95 64-bit3230+8
−8		(+179)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
+8
–   Obsidian 5.0 64-bit3216+20
−20		(+165)3.5 − 12.5
(+2−11=3)		21.9%
3.5 / 16
0.0%
−62
–   Willow 3.0 64-bit3214+18
−18		(+163)5.5 − 8.5
(+4−7=3)		39.3%
5.5 / 14
0.0%
+70
–   Xiphos 0.4 64-bit3188+9
−9		(+137)3.5 − 10.5
(+2−9=3)		25.0%
3.5 / 14
0.0%
−63
–   Orion 0.9 64-bit3170+11
−11		(+119)0.5 − 2.5
(+0−2=1)		16.7%
0.5 / 3
0.0%
−136
–   NirvanaChess 2.5 64-bit3168+10
−10		(+117)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+117
–   Gull 3 64-bit3161+6
−6		(+110)4 − 10
(+1−7=6)		28.6%
4.0 / 14
0.0%
−44
–   Chiron 4 64-bit3158+7
−7		(+107)2.5 − 11.5
(+0−9=5)		17.9%
2.5 / 14
0.0%
−124
–   Fizbo 1.8 64-bit3156+12
−12		(+105)5.5 − 8.5
(+1−4=9)		39.3%
5.5 / 14
0.0%
+36
–   Roc 1.9.1 64-bit3150+14
−14		(+99)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Schooner 2.0.34 64-bit3150+10
−10		(+99)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
0.0%
+23
–   Andscacs 0.88 64-bit3148+12
−12		(+97)5 − 9
(+3−7=4)		35.7%
5.0 / 14
0.0%
−18
–   Strelka 5.5 64-bit3142+5
−5		(+91)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
0.0%
+19
–   Critter 1.6a 64-bit3140+6
−6		(+89)6 − 8
(+3−5=6)		42.9%
6.0 / 14
0.0%
+38
–   NirvanaChess 2.4 64-bit3139+7
−7		(+88)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
0.0%
+10
–   Equinox 3.20 64-bit3134+7
−7		(+83)7 − 7
(+3−3=8)		50.0%
7.0 / 14
0.0%
+79
–   Atlas 4.35 64-bit3118+12
−12		(+67)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.0%
+7
–   iCE 4.0 64-bit3100+10
−10		(+49)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.0%
+49
–   Protector 1.9.0 64-bit3092+8
−8		(+41)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.0%
+41
–   Altair 4.0.0 64-bit3080+17
−17		(+29)7.5 − 12.5
(+2−7=11)		37.5%
7.5 / 20
0.9%
−54
–   Rybka 3 64-bit3076+8
−8		(+25)6.5 − 7.5
(+3−4=7)		46.4%
6.5 / 14
0.8%
+4
–   GOOB 1.8.9 64-bit3069+12
−12		(+18)11.5 − 6.5
(+8−3=7)		63.9%
11.5 / 18
5.4%
+119
–   Senpai 2.0 64-bit3067+9
−9		(+16)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
5.5%
−57
–   Wahoo 4.0.0 64-bit3060+10
−10		(+9)2 − 2
(+1−1=2)		50.0%
2.0 / 4
19.6%
+9
–   Midnight 7 64-bit3058+18
−18		(+7)8.5 − 9.5
(+6−7=5)		47.2%
8.5 / 18
29.7%
−19
–   Stockfish 1.8 64-bit3057+16
−16		(+6)8 − 6
(+5−3=6)		57.1%
8.0 / 14
31.7%
+57
–   Komodo 3 32-bit3055+12
−12		(+4)7 − 7
(+4−4=6)		50.0%
7.0 / 14
34.2%
+7
–   Protej 0.6.5 64-bit3048+17
−17		(−3)0 − 1
(+0−1=0)		0.0%
0.0 / 1
57.4%
−INF
–   Amoeba 3.4 64-bit3043+12
−12		(−8)9 − 6
(+6−3=6)		60.0%
9.0 / 15
77.2%
+69
–   Cheng 4.41 64-bit3033+10
−10		(−18)9.5 − 8.5
(+4−3=11)		52.8%
9.5 / 18
95.1%
+1
–   FabChess 1.16 64-bit3029+10
−10		(−22)9 − 5
(+5−1=8)		64.3%
9.0 / 14
98.0%
+73
–   akimbo 0.5.0 64-bit3027+19
−19		(−24)8 − 10
(+3−5=10)		44.4%
8.0 / 18
96.4%
−59
–   Obsidian 2.0 64-bit3025+21
−21		(−26)11.5 − 12.5
(+6−7=11)		47.9%
11.5 / 24
96.9%
−43
–   Polaris 1.8.1 64-bit3023+12
−12		(−28)5 − 9
(+1−5=8)		35.7%
5.0 / 14
99.3%
−119
–   Bagatur 3.7d 64-bit3003+21
−21		(−48)3 − 2
(+2−1=2)		60.0%
3.0 / 5
100.0%
+23
–   Lc0 0.21.1 w11258 64-bit2985+24
−24		(−66)9 − 5
(+6−2=6)		64.3%
9.0 / 14
100.0%
+34
–   Francesca MAD 0.32 64-bit2983+12
−12		(−68)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Vengeance 3.0.0 64-bit2981+10
−10		(−70)11.5 − 9.5
(+9−7=5)		54.8%
11.5 / 21
100.0%
−30
–   Naum 4.1 64-bit2976+16
−16		(−75)7.5 − 6.5
(+5−4=5)		53.6%
7.5 / 14
100.0%
−50
–   Nu-chess 1.0 64-bit2961+12
−12		(−90)11 − 4
(+9−2=4)		73.3%
11.0 / 15
100.0%
+89
–   Cadie 1.5 64-bit2959+17
−17		(−92)8.5 − 5.5
(+7−4=3)		60.7%
8.5 / 14
100.0%
0
–   tomitankChess 5.1 64-bit2940+12
−12		(−111)11 − 3
(+8−0=6)		78.6%
11.0 / 14
100.0%
+84
–   Asymptote 0.8 64-bit2940+11
−11		(−111)9.5 − 4.5
(+9−4=1)		67.9%
9.5 / 14
100.0%
+60
–   Cheese 3.1.1 64-bit2935+15
−15		(−116)12 − 2
(+10−0=4)		85.7%
12.0 / 14
100.0%
+152
–   Counter 3.5 64-bit2932+15
−15		(−119)9.5 − 4.5
(+6−1=7)		67.9%
9.5 / 14
100.0%
+8
–   Zangdar 2.19.03 64-bit2913+12
−12		(−138)25 − 13
(+15−3=20)
65.8%
25.0 / 38
100.0%
−29
–   Svart 3.1 64-bit2910+16
−16		(−141)11 − 3
(+9−1=4)		78.6%
11.0 / 14
100.0%
+78
–   Pedantic 0.4.1 64-bit2888+17
−17		(−163)8.5 − 5.5
(+3−0=11)		60.7%
8.5 / 14
100.0%
−97
665 games: 187 wins, 203 losses, 275 draws (41.4%), score: 48.8%

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