CCRL Blitz
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 2'515'858 games
played by 2'996 programs

White wins: 966'865 (38.4%)
Black wins: 774'272 (30.8%)
Draws: 774'721 (30.8%)
White score: 53.8%

Engine Details

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GreKo 2020.03 64-bit (2749+15
−15		)Quote
Author: Vladimir Medvedev Link: GreKo Homepage
This is one of the 24 GreKo versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   BBC 1.4 Stockfish NNUE 64-bit2957+20
−20		(+208)0.5 − 5.5
(+0−5=1)		8.3%
0.5 / 6
0.0%
−150
0 0 = 0 0 0
–   Stash 25.0 64-bit2924+20
−20		(+175)2.5 − 17.5
(+0−15=5)		12.5%
2.5 / 20
0.0%
−113
0 0 0 = 0 = 0 0 0 0 0 = 0 0 0 = 0 0 = 0
–   Berserk 3.2.0 64-bit2903+19
−19		(+154)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
0.0%
+86
0 = 1 1 0 0
–   Koivisto 1.0 64-bit2863+21
−20		(+114)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−15
0 = 1 = 0 0 0 0 0 0 0 0 0 = 0 = 0 0 0 1 0 = 1 = = 0 0 0 1 1 1 1
–   Mr Bob 0.9.0 64-bit2846+18
−18		(+97)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
+35
1 0 0 0 1 1 0 0 = 0 1 = = 0 0 = = 1 0 = 0 1 0 1 = 1 0 0 = 0 = =
–   OliThink 5.9.2 64-bit2828+19
−19		(+79)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+20
1 0 1 = = 1 0 0 0 = 0 1 0 1 0 1 = 0 0 1 0 1 1 0 = 0 0 1 1 0 0 0
–   Halogen 8 64-bit2822+19
−19		(+73)12 − 18
(+10−16=4)
40.0%
12.0 / 30
0.0%
−4
= 1 1 0 = 1 0 0 1 1 1 0 0 0 1 = 0 1 0 0 0 = 0 0 0 0 0 1 0 1
–   Devel 3.8.42820+18
−18		(+71)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+39
= 0 = 1 = 0 0 0 1 1 = 0 0 1 1 0 1 0 1 1 0 = 1 0 0 0 0 1 = = 0 1
–   Octochess r5506 64-bit2818+12
−12		(+69)20 − 40
(+9−29=22)
33.3%
20.0 / 60
0.0%
−42
0 = = 0 0 1 0 0 0 0 = 0 = = 0 = = = 0 = 0 1 = = = 0 = 1 1 0 0 0 = 1 0 0 = 0 1 = = 0 1 0 0 = 0 0 = 0 = 0 = 0 0 0 0 = 1 1
–   RuyDos 1.1.11 64-bit2794+18
−18		(+45)5.5 − 3.5
(+4−2=3)		61.1%
5.5 / 9
0.0%
+127
1 = 1 0 0 1 = 1 =
–   Ktulu 92781+8
−7		(+32)41.5 − 57.5
(+28−44=27)
41.9%
41.5 / 99
0.0%
−24
= 0 = 1 0 = 1 0 1 0 0 = = 0 = 0 1 0 = 1 0 0 1 0 0 0 = 1 = 0 = 1 = 0 0 = 0 0 1 = 0 = 1 0 1 1 = 1 0 0 = 0 1 = 1 0 1 0 0 0 = 0 1 = 1 = 0 0 = = 1 1 1 1 0 1 0 1 = = 0 0 0 0 0 = 0 1 = 0 0 1 0 = 0 0 0 1 1
–   Delocto 0.61n 64-bit2775+17
−17		(+26)45 − 55
(+31−41=28)
45.0%
45.0 / 100
0.8%
−8
0 0 1 0 0 0 1 = 1 0 = 0 = 0 1 = = 1 0 1 0 1 = 1 0 = 1 0 0 0 0 1 1 1 0 = 0 0 = 0 1 = 1 = = = 0 = = 0 0 = = = 1 1 0 0 = 0 0 1 1 1 = 1 0 0 = 1 1 = 1 0 0 1 1 0 0 = 1 1 0 0 = 1 0 0 = = 0 = 1 1 = 0 0 1 0 0
–   Twisted Logic 20100131x 64-bit2769+10
−10		(+20)28.5 − 32.5
(+18−22=21)
46.7%
28.5 / 61
1.4%
−3
0 0 = 0 1 = 1 = 0 1 1 = 1 0 = = = 0 0 1 1 1 0 0 = = 0 0 = = = 0 0 0 0 1 = 1 0 1 = 0 1 = = = 1 1 = 0 0 0 1 = = 1 1 0 0 1 =
–   Frenzee 3.5.19 64-bit2769+7
−7		(+20)49.5 − 50.5
(+38−39=23)
49.5%
49.5 / 100
0.9%
+18
0 1 0 1 0 1 1 1 1 0 1 = = = 1 0 1 1 1 = = = 0 0 1 0 1 1 = 0 1 0 1 1 1 0 1 0 1 0 0 1 0 0 1 = = 1 1 = 1 0 1 0 = 0 1 0 1 1 0 = 1 0 0 = = = 0 1 0 1 0 0 0 0 0 0 = = 0 0 0 0 1 = 1 = 0 = 1 1 0 0 1 = 1 0 = =
–   Jonny 4.002763+6
−6		(+14)32 − 29
(+23−20=18)
52.5%
32.0 / 61
3.7%
+28
= 0 0 1 = = 0 0 1 0 = 0 1 0 0 = = 1 1 1 0 0 1 1 1 = 0 1 1 0 1 1 1 0 = 1 = = 0 0 = 1 = 1 1 1 0 1 1 1 = = = 0 1 = 0 = 0 0 =
–   Velvet 1.2.0 64-bit2761+15
−15		(+12)18.5 − 13.5
(+12−7=13)
57.8%
18.5 / 32
13.5%
+64
= 1 0 = = 1 0 0 = 1 1 1 = 0 = = = 1 = 1 1 0 0 1 = 0 = 1 1 = 1 =
–   Bison 9.11 64-bit2761+9
−9		(+12)47.5 − 52.5
(+31−36=33)
47.5%
47.5 / 100
9.1%
−6
= 0 1 1 1 0 = = 0 1 1 1 1 1 1 1 0 0 1 1 0 0 1 1 = = = 0 0 0 0 = = = = = 1 0 1 0 0 0 = 0 0 0 1 0 = = 1 = = 0 = 0 1 = = = 1 = 0 1 = = = 1 = 0 1 1 = 0 1 1 = 0 0 0 0 1 1 0 0 0 = 0 0 0 = 0 = 1 1 0 1 = = =
–   Arminius 2018-12-23 64-bit2752+12
−12		(+3)45 − 54
(+30−39=30)
45.5%
45.0 / 99
37.9%
−29
1 = 1 1 = 1 = 0 = 0 0 1 = 0 1 0 1 0 0 1 0 0 0 = 0 0 0 = 1 1 0 0 1 0 0 = 0 0 = 1 1 1 1 0 1 0 1 = = 1 = = 1 = 0 = = = 0 = = 1 0 = 0 = 0 0 1 1 1 1 = 0 0 1 0 = = = = 1 0 = 0 1 = = 1 1 0 0 0 0 = 0 0 1 0
–   Chronos 1.9.9 64-bit2740+7
−7		(−9)54 − 46
(+43−35=22)
54.0%
54.0 / 100
86.7%
+19
= 1 1 0 = = 1 1 1 1 = = 1 = = = 0 1 0 0 0 = 1 0 0 0 0 1 1 0 1 1 1 1 = 1 0 0 1 1 = 0 = 0 0 1 1 1 = 1 0 0 0 0 0 1 0 1 0 0 1 1 1 = = 0 = 1 0 1 1 1 = 0 1 0 1 0 0 1 0 = 1 1 1 0 0 1 1 = 1 = 0 = 0 0 = 1 1 1
–   Orion 0.7 64-bit2737+17
−17		(−12)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
84.8%
−45
0 1 1 0 = 0 0 0 1 1 1 1 = 0 0 1 1 0 1 0 0 0 1 1 = 0 = 0 0 1 0 =
–   Stash 21.0 64-bit2720+16
−16		(−29)19 − 13
(+15−9=8)
59.4%
19.0 / 32
99.6%
+40
0 1 1 1 0 0 = 1 = 1 = = = 0 1 0 1 0 1 = 0 1 = 1 = 1 1 1 0 0 1 1
–   Chess Tiger 2007.12713+7
−7		(−36)57 − 43
(+39−25=36)
57.0%
57.0 / 100
100.0%
+11
1 = 1 = 1 1 = 1 = 1 = 1 0 = = 0 1 1 1 = 1 1 = 1 0 = 1 1 = = 0 = 1 0 1 0 = 1 1 0 1 1 0 = = 1 0 = 0 = 1 0 = 0 0 = = 1 1 = 0 1 = = 0 = 0 1 1 1 = = 0 1 = = 0 1 = = 1 1 0 1 1 = 0 = 1 = 1 = 1 0 0 0 = 1 0 0
–   ECE 19.6.6.3 64-bit2711+17
−17		(−38)40.5 − 46.5
(+27−33=27)
46.6%
40.5 / 87
100.0%
−60
= 0 0 = 1 1 1 0 = 0 1 0 1 1 = 0 0 = 0 = 1 1 1 = 0 1 0 = 0 1 = 1 0 1 = 1 1 = 0 0 0 0 0 1 1 = = 1 0 0 = = 1 = = = 0 0 1 = 0 0 = 1 0 0 = = 1 1 = 1 = 0 1 0 = 0 0 1 = = 1 0 0 0 0
–   Donna 4.1 64-bit2701+12
−12		(−48)18.5 − 1.5
(+18−1=1)		92.5%
18.5 / 20
100.0%
+391
1 1 = 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1
–   Shallow 2020-09-09 64-bit2690+18
−18		(−59)16 − 16
(+11−11=10)
50.0%
16.0 / 32
100.0%
−56
1 1 0 1 = 0 0 1 = 1 = 0 0 1 0 = 0 0 0 1 = 1 = 1 1 = 1 0 = = = 0
–   DanaSah 8.32688+16
−16		(−61)53 − 38
(+46−31=14)
58.2%
53.0 / 91
100.0%
0
0 0 1 0 0 1 1 = = 0 1 = 1 = 0 0 0 0 = 0 1 0 = 1 1 1 1 1 0 0 0 = 1 1 0 1 1 0 1 0 1 1 1 1 = 0 1 1 1 0 0 = 1 1 1 1 = 1 1 1 0 1 1 0 0 1 = 1 0 1 0 1 1 1 1 0 1 0 1 0 0 = 1 0 = 1 0 = 1 1 1
–   Dumb 1.8 64-bit2682+18
−19		(−67)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−13
= 1 = 1 0 0 0 0 0 1 1 0 1 = 0 = = 1 = = 1 1 0 1 1 = 1 1 1 1 0 =
–   Fridolin 3.10 64-bit2677+16
−16		(−72)63 − 36
(+48−21=30)
63.6%
63.0 / 99
100.0%
+21
= 1 1 1 1 1 0 0 = 1 = 1 0 = = 1 1 1 0 = 1 1 0 = 1 1 0 0 1 1 = 1 0 1 1 1 = 0 = = = 1 1 = = = 1 1 0 0 0 1 1 1 = = 1 = = = = 1 0 1 1 1 0 1 1 = 1 0 1 1 1 0 0 0 = 0 1 = = 1 1 1 = 1 0 = = 1 1 1 1 = 1 0 =
–   Nawito 2103 64-bit2672+20
−20		(−77)19 − 12
(+15−8=8)
61.3%
19.0 / 31
100.0%
0
= = 0 = 1 = 0 = 0 1 = 1 1 1 1 0 1 = 1 0 1 1 0 = 1 1 1 1 0 0 1
1567 games: 561 wins, 578 losses, 428 draws (27.3%), score: 49.5%

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Created in 2005-2013 by CCRL team
Last games added on May 1, 2021