CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

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Show each game results
Hedgehog 1.804 (1969+18
−18
)Quote
Author: Eugene Kotlov (Russia)
This is one of the 8 Hedgehog versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Leela Chess 0.7 w187 64-bit2235+22
−22
(+266)4.5 − 24.5
(+3−23=3)
15.5%
4.5 / 29
0.0%
−35
0 0 0 0 0 1 1 0 0 0 1 0 0 0 0 = 0 0 0 0 0 0 = = 0 0 0 0 0
–   Prophet3 20170909 64-bit2124+17
−17
(+155)8 − 21
(+5−18=6)
27.6%
8.0 / 29
0.0%
−13
= 0 0 0 1 = 1 1 = 0 = 0 0 0 0 0 0 1 = 0 0 0 1 0 = 0 0 0 0
–   GK 0.90 64-bit2109+11
−11
(+140)7.5 − 22.5
(+4−19=7)
25.0%
7.5 / 30
0.0%
−45
0 0 0 0 0 0 = 0 = 0 0 1 0 = 1 0 1 0 1 = = 0 0 0 0 0 = 0 = 0
–   Alf 1.09 64-bit2108+16
−16
(+139)10.5 − 17.5
(+7−14=7)
37.5%
10.5 / 28
0.0%
+50
0 1 0 = 0 0 1 0 0 0 0 1 1 = = 0 0 0 1 = 0 0 1 0 = = = 1
–   BikJump 2.01 64-bit2103+8
−8
(+134)9.5 − 20.5
(+8−19=3)
31.7%
9.5 / 30
0.0%
−14
0 = 1 0 1 0 1 0 = 0 0 = 0 0 0 0 0 0 0 1 1 0 0 0 1 0 1 0 0 1
–   Abbess 2018.02.072068+16
−16
(+99)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−67
0 0 1 0 0 0 0 0 = = 0 0 1 0 0 0 = 0 1 0 0 0 = 0 1 0 = 1 0 = 0 1
–   Gunborg 1.35 64-bit2065+17
−17
(+96)9.5 − 20.5
(+6−17=7)
31.7%
9.5 / 30
0.0%
−33
0 0 0 1 0 0 1 = 0 0 0 0 0 0 = 0 1 = 1 = 1 1 0 = 0 0 0 = 0 =
–   Matheus 2.32058+9
−9
(+89)12.5 − 18.5
(+8−14=9)
40.3%
12.5 / 31
0.0%
+25
0 0 = 1 = 1 0 1 = = = 0 = = 0 0 0 0 1 1 0 0 1 0 0 0 0 1 = = 1
–   ChessMind 0.822057+12
−12
(+88)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
0.0%
+125
1 0 = 1 1 1 0 = 0 0 1 1 = 1 = 0 0 1 1 0 = 1 = 1 1 0 0 1 = 1 0 0
–   Monarch 1.72056+10
−10
(+87)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.0%
+99
0 1 0 0 1 0 1 = 1 1 = 0 0 0 = = 1 1 0 0 1 = 0 1 1 = 1 0 = 0 1 1
–   Gerbil 0.2 64-bit2043+10
−10
(+74)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.0%
+61
0 1 1 1 0 1 = 0 0 0 = 1 1 0 1 1 1 1 = = 1 0 0 = 1 = 0 0 0 0 0 =
–   Vice 1.0 64-bit2042+12
−12
(+73)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−42
1 0 = 0 0 1 0 1 0 0 0 0 0 1 = 0 0 1 = 0 = 0 0 = 0 1 0 1 0 0 1 =
–   Abbess 2016.12.112038+16
−17
(+69)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−88
0 0 0 1 0 0 0 0 1 = = 0 0 0 0 1 0 0 0 1 0 = 0 0 0 = 0 = 1 0 1 1
–   Jabba 1.0 64-bit2036+12
−11
(+67)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
−48
1 1 0 0 0 0 1 1 0 = 0 = = 1 0 0 0 1 0 0 0 1 0 0 0 0 1 0 0 0 1 1
–   Cinnamon 2.0 64-bit2022+12
−12
(+53)20 − 12
(+19−11=2)
62.5%
20.0 / 32
0.0%
+156
0 1 1 0 0 1 1 1 0 1 = 1 0 1 1 1 1 = 1 1 0 0 1 1 1 0 0 1 0 1 0 1
–   Bestia 0.902021+8
−8
(+52)14.5 − 17.5
(+14−17=1)
45.3%
14.5 / 32
0.0%
+11
0 0 1 0 1 0 1 1 0 0 1 0 1 1 1 1 = 0 1 0 0 0 1 1 0 1 0 0 1 0 0 0
–   Plywood 1.732019+21
−21
(+50)7.5 − 22.5
(+6−21=3)
25.0%
7.5 / 30
0.0%
−159
0 0 0 1 0 1 0 0 0 0 0 0 0 1 0 = 1 1 0 0 = 0 0 = 0 0 0 0 0 1
–   Ecce 1.0 (rev. 508) 64-bit2016+13
−13
(+47)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
−11
1 1 0 = 1 0 1 0 1 0 0 0 = = = 0 0 0 0 0 0 1 1 1 0 = 1 0 0 1 1 0
–   Little Wing 0.4.0 64-bit2016+18
−17
(+47)12 − 20
(+11−19=2)
37.5%
12.0 / 32
0.0%
−58
0 0 = 1 1 1 0 0 0 0 0 = 1 0 1 0 1 0 0 1 0 0 0 1 0 1 1 0 1 0 0 0
–   Oberon 0.042012+19
−19
(+43)9.5 − 20.5
(+6−17=7)
31.7%
9.5 / 30
0.1%
−92
0 0 = 0 = 1 0 = 0 0 1 1 = 0 = 0 = 0 0 0 0 0 = 0 1 0 1 0 1 0
–   Embla 1.0.2 64-bit2011+26
−26
(+42)15.5 − 14.5
(+12−11=7)
51.7%
15.5 / 30
0.4%
+53
0 0 1 1 0 = = 1 1 0 0 0 = 0 1 1 0 = 1 1 0 1 1 0 = = 1 = 1 0
–   Ceibo 0.4 64-bit2006+14
−14
(+37)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.1%
−23
1 = 0 0 0 0 1 1 0 1 0 0 1 = = = 0 0 1 = 1 0 0 = 0 = 0 1 1 0 0 1
–   Requiem 0.532004+12
−12
(+35)11.5 − 17.5
(+6−12=11)
39.7%
11.5 / 29
0.1%
−33
0 = 0 0 1 0 1 = = 0 0 0 1 = 0 1 = = = 1 1 = 0 = 0 0 0 = =
–   Gullydeckel 2.16pl11993+11
−11
(+24)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
1.4%
−88
1 0 0 1 1 0 0 1 0 0 0 0 1 = 0 1 1 0 0 0 0 = 0 1 0 = 0 0 1 0 1 0
–   Small Potato 0.6.11992+10
−10
(+23)10.5 − 20.5
(+9−19=3)
33.9%
10.5 / 31
1.3%
−107
0 1 0 0 1 0 0 0 0 = 0 0 0 0 1 0 0 0 1 1 0 1 = 0 0 = 1 0 1 0 1
–   Elephant 1.061989+12
−12
(+20)16 − 14
(+12−10=8)
53.3%
16.0 / 30
3.6%
+43
1 1 1 1 0 0 1 = 1 1 = 0 0 0 1 1 = 0 1 0 0 = 1 0 1 0 = = = =
–   BigLion 2.23x1988+8
−8
(+19)37.5 − 24.5
(+30−17=15)
60.5%
37.5 / 62
3.0%
+93
1 1 0 1 1 0 1 = 1 1 = 0 1 1 = 0 1 = = 0 1 1 1 1 1 = 1 = 1 1 1 0 0 = 0 0 1 = 0 0 = 1 1 = 1 1 = 0 = 0 = 1 1 0 0 1 = 1 0 0 1 1
–   Armageddon 2.3081986+11
−11
(+17)34 − 28
(+30−24=8)
54.8%
34.0 / 62
5.7%
+53
0 1 1 1 1 1 0 0 = 0 0 0 0 0 0 0 1 0 0 1 = = 1 = 0 0 0 = 0 1 0 = 1 1 1 1 1 0 1 1 1 1 1 1 1 0 0 0 0 1 = 1 = 1 1 1 1 0 1 1 1 0
–   Embla 1.0.1 64-bit1986+17
−17
(+17)17.5 − 14.5
(+16−13=3)
54.7%
17.5 / 32
8.5%
+53
0 0 0 1 1 1 1 1 1 1 0 0 1 1 1 1 0 0 1 0 = 1 0 0 0 = 0 = 1 1 0 1
–   Zeta Dva 0305 64-bit1979+17
−17
(+10)17 − 13
(+14−10=6)
56.7%
17.0 / 30
20.9%
+57
= 0 0 1 1 0 1 1 1 1 1 0 0 1 1 = 0 1 0 = = 1 1 = 0 = 1 1 0 0
–   Faile 1.4.41977+9
−9
(+8)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
21.2%
−44
0 0 1 0 1 = 0 0 1 1 0 0 0 = = = 1 0 0 = 0 = 0 = 1 1 0 0 1 0 1 1
–   Leela Chess 0.5 w123 64-bit1963+32
−32
(−6)12.5 − 18.5
(+11−17=3)
40.3%
12.5 / 31
63.6%
−83
= 1 0 0 1 1 1 0 1 0 1 0 0 0 0 0 1 1 = 0 0 0 0 0 = 1 0 0 1 0 1
–   Eia 0.31961+18
−19
(−8)14.5 − 15.5
(+11−12=7)
48.3%
14.5 / 30
73.9%
−19
= 1 0 1 1 0 0 0 1 0 1 = = 0 1 = 0 1 1 0 1 1 = 0 0 = 1 0 0 =
–   Etude 0.1.21953+11
−11
(−16)13.5 − 17.5
(+9−13=9)
43.5%
13.5 / 31
93.4%
−64
= = = 0 = 1 = 0 0 0 1 = 1 = 0 1 = 1 1 0 0 = 0 0 1 0 0 1 0 1 0
–   MatMoi 7.15.0-cct 64-bit1885+18
−18
(−84)22 − 9
(+21−8=2)
71.0%
22.0 / 31
100.0%
+93
1 0 1 1 0 1 1 1 0 1 1 1 1 1 0 = = 1 0 1 1 1 0 1 1 1 1 0 1 0 1

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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019