CCRL 40/2 FRC
Downloads and Statistics
April 18, 2021
Testing summary:
Total: 324'740 games
played by 250 programs

White wins: 130'681 (40.2%)
Black wins: 110'670 (34.1%)
Draws: 83'389 (25.7%)
White score: 53.1%

Engine Details

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Show each game results
Shredder 12 (3014+8
−8		)Quote
Author: Stefan Meyer-Kahlen (Germany) Links: Homepage, Chessbase
Executable used was 32-bit
This is one of the 4 Shredder versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Stockfish 0405143413+15
−15		(+399)24 − 276
(+4−256=40)
8.0%
24.0 / 300
0.0%
+16
–   Houdini 43391+8
−8		(+377)29 − 271
(+11−253=36)
9.7%
29.0 / 300
0.0%
+10
–   Houdini 33356+13
−12		(+342)33 − 267
(+14−248=38)
11.0%
33.0 / 300
0.0%
−4
–   Stockfish DD3348+15
−14		(+334)37.5 − 262.5
(+8−233=59)
12.5%
37.5 / 300
0.0%
+30
–   Stockfish 1609133302+14
−14		(+288)45.5 − 254.5
(+13−222=65)
15.2%
45.5 / 300
0.0%
+15
–   Critter 1.6a3290+6
−6		(+276)55.5 − 244.5
(+18−207=75)
18.5%
55.5 / 300
0.0%
+40
–   Houdini 2.03270+18
−17		(+256)21 − 79
(+11−69=20)
21.0%
21.0 / 100
0.0%
+33
–   Critter 1.23235+21
−20		(+221)15.5 − 84.5
(+6−75=19)
15.5%
15.5 / 100
0.0%
−54
–   Stockfish 33229+13
−13		(+215)61 − 239
(+31−209=60)
20.3%
61.0 / 300
0.0%
−15
–   Stockfish 2.3.13204+15
−15		(+190)24 − 76
(+10−62=28)
24.0%
24.0 / 100
0.0%
+3
–   Stockfish VE_093192+16
−16		(+178)23 − 77
(+13−67=20)
23.0%
23.0 / 100
0.0%
−28
–   Stockfish 2.2.13192+18
−18		(+178)28.5 − 71.5
(+15−58=27)
28.5%
28.5 / 100
0.0%
+25
–   Stockfish 2.1.13187+19
−19		(+173)23.5 − 76.5
(+12−65=23)
23.5%
23.5 / 100
0.0%
−23
–   Stockfish 2.2.23185+20
−20		(+171)29.5 − 70.5
(+14−55=31)
29.5%
29.5 / 100
0.0%
+29
–   Fire 3.03174+9
−9		(+160)75.5 − 224.5
(+42−191=67)
25.2%
75.5 / 300
0.0%
−25
–   Rybka 4.13162+6
−6		(+148)34.5 − 65.5
(+21−52=27)
34.5%
34.5 / 100
0.0%
+38
–   Critter 1.013161+20
−20		(+147)22.5 − 77.5
(+9−64=27)
22.5%
22.5 / 100
0.0%
−50
–   Chiron 33150+11
−11		(+136)94.5 − 205.5
(+58−169=73)
31.5%
94.5 / 300
0.0%
+1
–   Stockfish 2.0.13137+18
−17		(+123)32 − 68
(+21−57=22)
32.0%
32.0 / 100
0.0%
−9
–   Stockfish 1.83128+19
−19		(+114)37 − 63
(+26−52=22)
37.0%
37.0 / 100
0.0%
+18
–   Stockfish 1.73112+22
−22		(+98)38 − 62
(+23−47=30)
38.0%
38.0 / 100
0.0%
+13
–   Stockfish 1.9.13109+25
−24		(+95)35.5 − 64.5
(+24−53=23)
35.5%
35.5 / 100
0.0%
−10
–   Chiron 23105+10
−10		(+91)108.5 − 191.5
(+74−157=69)
36.2%
108.5 / 300
0.0%
−10
–   Critter 0.903105+20
−20		(+91)35.5 − 64.5
(+23−52=25)
35.5%
35.5 / 100
0.0%
−12
–   Rybka 33087+13
−13		(+73)40 − 60
(+25−45=30)
40.0%
40.0 / 100
0.0%
+3
–   Naum 4.63078+8
−7		(+64)112 − 188
(+72−148=80)
37.3%
112.0 / 300
0.0%
−24
–   Chiron 1.53040+12
−12		(+26)46 − 54
(+29−37=34)
46.0%
46.0 / 100
0.0%
0
–   Critter 0.803037+19
−19		(+23)44 − 56
(+30−42=28)
44.0%
44.0 / 100
1.5%
−21
–   Stockfish 1.63036+22
−22		(+22)49.5 − 50.5
(+35−36=29)
49.5%
49.5 / 100
2.9%
+19
–   Naum 4.23033+9
−9		(+19)46.5 − 53.5
(+31−38=31)
46.5%
46.5 / 100
0.0%
−5
–   Naum 42986+16
−15		(−28)53.5 − 46.5
(+39−32=29)
53.5%
53.5 / 100
99.9%
−3
–   Chiron 1.1a2984+13
−14		(−30)49.5 − 50.5
(+32−33=35)
49.5%
49.5 / 100
100.0%
−33
–   Spike 1.4 Leiden2942+8
−8		(−72)62.5 − 37.5
(+52−27=21)
62.5%
62.5 / 100
100.0%
+19
–   Stockfish 1.5.12939+19
−19		(−75)60 − 40
(+49−29=22)
60.0%
60.0 / 100
100.0%
−3
–   Hiarcs 13.22928+8
−8		(−86)60 − 40
(+48−28=24)
60.0%
60.0 / 100
100.0%
−13
–   EXchess 7.92b2901+12
−12		(−113)61.5 − 38.5
(+47−24=29)
61.5%
61.5 / 100
100.0%
−34
–   Hiarcs 13.12898+16
−16		(−116)69 − 31
(+56−18=26)
69.0%
69.0 / 100
100.0%
+21
–   EXchess 7.71b2895+14
−15		(−119)61 − 39
(+46−24=30)
61.0%
61.0 / 100
100.0%
−42
–   Cheng 4.392885+12
−12		(−129)66.5 − 33.5
(+54−21=25)
66.5%
66.5 / 100
100.0%
−9
–   Deep Sjeng WC20082878+8
−8		(−136)74 − 26
(+63−15=22)
74.0%
74.0 / 100
100.0%
+43
–   Cheng4 0.382834+17
−17		(−180)69.5 − 30.5
(+60−21=19)
69.5%
69.5 / 100
100.0%
−33
–   Hiarcs 12.12827+12
−12		(−187)79.5 − 20.5
(+69−10=21)
79.5%
79.5 / 100
100.0%
+38
–   Cyclone xTreme Fear2824+9
−9		(−190)70.5 − 29.5
(+61−20=19)
70.5%
70.5 / 100
100.0%
−32
–   EXchess 7.18b2816+14
−14		(−198)78 − 22
(+72−16=12)
78.0%
78.0 / 100
100.0%
+33
–   GNU Chess 5.602782+11
−11		(−232)77.5 − 22.5
(+68−13=19)
77.5%
77.5 / 100
100.0%
−18
–   Cheng4 0.36a2773+13
−13		(−241)85.5 − 14.5
(+81−10=9)
85.5%
85.5 / 100
100.0%
+77
–   GNU Chess 5.502757+13
−13		(−257)86 − 14
(+78−6=16)
86.0%
86.0 / 100
100.0%
+41
–   Loop for Chess9602756+8
−7		(−258)86.5 − 13.5
(+77−4=19)
86.5%
86.5 / 100
100.0%
+37
–   Tornado 4.882754+11
−11		(−260)80 − 20
(+72−12=16)
80.0%
80.0 / 100
100.0%
−18
7100 games: 1847 wins, 3682 losses, 1571 draws (22.1%), score: 37.1%

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Shredder 12
played with current
participants of this list		Represented by
1-2-CPU    1400Shredder 13
All    1400Shredder 13
Single-CPU    1400Shredder 13
Created in 2005-2008 by CCRL team
Last games added on April 18, 2021