CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Engine Details

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Winter 0.7 64-bit (2987+20
−20
)Quote
Author: Jonathan Rosenthal Link: Homepage
This is one of the 12 Winter versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   chess22k 1.13 64-bit3086+19
−19
(+99)12 − 20
(+5−13=14)
37.5%
12.0 / 32
0.0%
+19
= = 0 1 1 0 = = = 0 1 = 0 = = 0 = 0 = 0 0 = = 0 0 1 1 0 = 0 = 0
–   Protector 1.9.0 64-bit3085+7
−7
(+98)5 − 27
(+1−23=8)
15.6%
5.0 / 32
0.0%
−161
0 0 0 0 = 0 0 0 = 0 0 0 1 0 = 0 0 = 0 0 0 = = 0 0 = = 0 0 0 0 0
–   Senpai 2.0 64-bit3084+9
−9
(+97)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
+3
0 1 1 0 0 0 1 = 0 1 = 1 = = 0 = 1 0 0 0 0 0 0 1 0 0 0 1 0 = 0 1
–   iCE 3.0 64-bit3081+7
−7
(+94)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
0.0%
+82
0 1 1 0 1 0 1 0 = 0 0 1 1 = = 0 = = 1 = 1 1 = 0 1 0 1 0 0 = = 0
–   SmarThink 1.98 64-bit3039+9
−10
(+52)9.5 − 22.5
(+4−17=11)
29.7%
9.5 / 32
0.0%
−83
1 = 0 = 0 = = = 1 0 = 1 = = 0 0 0 0 = 0 = 0 0 1 0 0 0 0 0 0 0 =
–   Naum 4.6 64-bit3032+7
−8
(+45)17 − 15
(+12−10=10)
53.1%
17.0 / 32
0.0%
+66
= 1 1 = 0 = = 1 0 0 1 = 1 0 0 1 1 0 = 0 0 = 1 1 1 0 = = 1 0 = 1
–   SlowChess Blitz Classic 1.6 64-bit3026+19
−19
(+39)15.5 − 15.5
(+9−9=13)
50.0%
15.5 / 31
0.2%
+37
0 0 1 = 1 1 0 = 0 = 1 = = 1 0 0 = 0 0 = = 1 1 1 1 = = 0 = = =
–   Deuterium 2019.2.37.73 64-bit3021+19
−19
(+34)13 − 19
(+5−11=16)
40.6%
13.0 / 32
0.7%
−21
0 = = 1 1 0 1 = 0 = 0 = = = = 1 = 0 1 = = 0 = = 0 0 = = = 0 0 0
–   Hakkapeliitta TCEC v2 64-bit3020+10
−10
(+33)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.2%
−22
= = 0 = = 0 0 1 0 0 1 1 0 0 0 1 1 0 = = 0 = 1 1 0 1 0 0 = 1 = 0
–   Pirarucu 3.0.7 64-bit3019+15
−15
(+32)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
0.6%
0
1 = = 1 0 0 0 = = 1 = = 1 1 = = 0 0 1 1 0 0 0 = 0 = = 0 1 = 0 =
–   Rodent III 0.287 64-bit3005+19
−19
(+18)16.5 − 15.5
(+14−13=5)
51.6%
16.5 / 32
9.6%
+29
1 0 = 0 = 1 1 0 = 0 0 1 1 0 0 0 1 = 1 = 0 0 1 1 0 1 1 1 0 1 1 0
–   ChessBrainVB 3.743000+21
−21
(+13)15 − 17
(+10−12=10)
46.9%
15.0 / 32
18.3%
−9
= = 0 0 0 1 0 0 = 0 1 = 1 1 0 = = 1 1 = 1 1 = 0 1 0 = 0 1 0 = 0
–   SlowChess Blitz Classic 1.5 64-bit2988+19
−19
(+1)19 − 13
(+15−9=8)
59.4%
19.0 / 32
48.3%
+68
0 1 = 1 = 1 1 = 0 = 1 0 0 1 = 0 0 1 = 1 1 1 0 0 1 1 1 1 = 0 1 =
–   Hiarcs 142987+8
−8
(0)16 − 16
(+9−9=14)
50.0%
16.0 / 32
49.9%
0
= 1 = = = = = 0 0 = 1 1 1 0 1 0 = 1 1 = 1 0 0 = 0 0 = 0 1 = = =
–   Amoeba 3.0 64-bit2974+15
−15
(−13)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
85.2%
+136
1 1 1 1 0 1 = 1 1 = 1 = 1 1 1 1 0 1 1 0 0 = = 1 = 0 1 1 = 1 1 0
–   Crafty 25.3 64-bit2969+39
−39
(−18)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
79.8%
−73
1 = = 0 1 1 = = 1 0 = 0 = 0 0 = 0 0 = 1 0 0 = 0 1 0 0 0 1 1 0 1
–   Marvin 3.4.0 64-bit2963+16
−16
(−24)15.5 − 16.5
(+10−11=11)
48.4%
15.5 / 32
97.6%
−35
0 1 = 0 0 0 0 = 1 = = 1 0 1 = 0 0 = 1 1 0 1 1 0 = = = 1 0 1 = =
–   Bobcat 8.0 64-bit2958+10
−10
(−29)20 − 11
(+15−6=10)
64.5%
20.0 / 31
99.6%
+73
0 = 1 1 1 = 1 = 1 = 0 0 = 1 1 = 0 1 1 1 1 = 1 = 1 1 = 0 0 1 =
–   Godel 6.0 64-bit2947+16
−16
(−40)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
99.9%
−50
1 0 = 1 = = 0 1 0 0 0 0 = 1 0 1 0 1 0 = = 1 1 0 1 1 1 0 0 = 0 1
–   Cheng 4.39 64-bit2945+9
−9
(−42)16 − 16
(+12−12=8)
50.0%
16.0 / 32
100.0%
−40
1 0 0 0 1 0 = 1 0 0 0 0 1 0 = 0 1 0 = 1 1 1 1 = 1 0 = = = = 1 1
–   Igel 2.0.0 64-bit2927+22
−22
(−60)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−26
1 0 0 = 0 = 0 0 1 = = 0 1 0 = 1 = 0 0 1 1 1 1 1 1 0 1 0 1 1 = 1
–   Spark 1.0 64-bit2927+7
−7
(−60)20 − 12
(+14−6=12)
62.5%
20.0 / 32
100.0%
+18
= = = 0 = = 0 1 1 1 0 0 0 1 = 1 1 1 = 1 1 0 = = 1 1 = = 1 1 = 1
–   Atlas 3.91 64-bit2925+11
−12
(−62)16.5 − 15.5
(+11−10=11)
51.6%
16.5 / 32
100.0%
−55
1 = 0 = 0 1 1 1 0 1 0 = 1 0 = = 1 = 0 0 0 = 1 1 = 1 1 = 0 0 = =
–   Dirty CUCUMBER 64-bit2925+15
−15
(−62)21.5 − 10.5
(+16−5=11)
67.2%
21.5 / 32
100.0%
+48
= 1 1 0 = 1 1 1 = 1 = = = 1 1 0 = 1 1 1 = 0 = 0 1 = 1 0 1 1 1 =
–   Spike 1.4 Leiden2921+7
−7
(−66)18 − 14
(+12−8=12)
56.3%
18.0 / 32
100.0%
−23
1 0 1 = 1 = 1 = 1 0 1 0 0 = = 0 1 1 0 0 = = = = 0 1 = = 1 = 1 1
–   Toga II 4.0 64-bit2918+14
−14
(−69)21 − 11
(+14−4=14)
65.6%
21.0 / 32
100.0%
+30
0 0 = = 1 = 1 1 = = = 1 1 = 0 0 1 = 1 = 1 1 1 1 1 = = 1 1 = = =
–   EXchess 7.97b 64-bit2914+11
−11
(−73)19 − 13
(+16−10=6)
59.4%
19.0 / 32
100.0%
−1
0 = 1 1 = 1 0 0 1 1 1 0 1 1 1 = 1 = 1 0 1 1 1 = 0 1 = 1 0 0 0 0
–   Tucano 8.00 64-bit2893+19
−19
(−94)18 − 12
(+16−10=4)
60.0%
18.0 / 30
100.0%
−14
= 1 0 = = 0 0 1 = 0 0 1 0 0 1 1 1 0 1 1 1 1 1 0 1 1 1 0 1 1

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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019