CCRL 40/15
Downloads and Statistics
April 18, 2021
Testing summary:
Total: 1'237'253 games
played by 2'822 programs

White wins: 424'164 (34.3%)
Black wins: 311'650 (25.2%)
Draws: 501'439 (40.5%)
White score: 54.5%

Engine Details

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RubiChess 1.9 64-bit (3263+15
−14
)Quote
Author: Andreas Matthies (Germany) Link: Homepage
Uses NNUE per author's request.
This is one of the 22 RubiChess versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit3509+16
−16
(+246)5 − 47
(+0−42=10)
9.6%
5.0 / 52
0.0%
−90
–   SugaR AI 1.00 64-bit3493+18
−17
(+230)9 − 43
(+0−34=18)
17.3%
9.0 / 52
0.0%
+2
–   ShashChess 15.0 64-bit3485+14
−14
(+222)8 − 48
(+0−40=16)
14.3%
8.0 / 56
0.0%
−41
–   Stockfish 12 64-bit3477+15
−15
(+214)8.5 − 47.5
(+1−40=15)
15.2%
8.5 / 56
0.0%
−47
–   Dragon by Komodo 64-bit3472+14
−15
(+209)11.5 − 40.5
(+1−30=21)
22.1%
11.5 / 52
0.0%
+24
–   SugaR XPro NN 1.0 64-bit3416+14
−14
(+153)17 − 39
(+0−22=34)
30.4%
17.0 / 56
0.0%
+42
–   Nemorino 6.00 64-bit3343+13
−13
(+80)29 − 37
(+8−16=42)
43.9%
29.0 / 66
0.0%
+46
–   Houdini 6 64-bit3335+8
−8
(+72)20 − 32
(+3−15=34)
38.5%
20.0 / 52
0.0%
+8
–   Lc0 0.27.0 w703810 64-bit 4CPU3335+19
−19
(+72)17 − 17
(+5−5=24)
50.0%
17.0 / 34
0.0%
+70
–   Ethereal 12.75 64-bit3320+13
−13
(+57)23 − 33
(+5−15=36)
41.1%
23.0 / 56
0.0%
+8
–   SlowChess Blitz 2.4 64-bit3303+16
−16
(+40)25 − 31
(+8−14=34)
44.6%
25.0 / 56
0.0%
+9
–   Igel 2.9.0 64-bit3272+15
−15
(+9)24 − 28
(+6−10=36)
46.2%
24.0 / 52
21.2%
−10
–   Igel 2.8.0 64-bit3265+15
−15
(+2)27 − 29
(+4−6=46)
48.2%
27.0 / 56
41.5%
−6
–   Fire 7.1 64-bit3258+7
−8
(−5)21.5 − 30.5
(+7−16=29)
41.3%
21.5 / 52
75.0%
−53
–   Xiphos 0.6 64-bit3253+9
−9
(−10)27.5 − 28.5
(+9−10=37)
49.1%
27.5 / 56
88.4%
−13
–   Pedone 3.0 64-bit3244+15
−15
(−19)27.5 − 24.5
(+8−5=39)
52.9%
27.5 / 52
97.0%
−3
–   RofChade 2.3 64-bit3240+11
−11
(−23)28 − 28
(+10−10=36)
50.0%
28.0 / 56
99.5%
−23
–   Booot 6.4 64-bit3238+11
−11
(−25)27 − 29
(+11−13=32)
48.2%
27.0 / 56
99.7%
−35
–   Laser 1.7 64-bit3206+9
−9
(−57)28.5 − 23.5
(+14−9=29)
54.8%
28.5 / 52
100.0%
−29
–   Defenchess 2.2 64-bit3202+10
−9
(−61)30.5 − 21.5
(+15−6=31)
58.7%
30.5 / 52
100.0%
−13
–   Schooner 2.2 64-bit3202+10
−10
(−61)35.5 − 20.5
(+17−2=37)
63.4%
35.5 / 56
100.0%
+11
–   Shredder 13 64-bit3198+8
−8
(−65)32.5 − 19.5
(+20−7=25)
62.5%
32.5 / 52
100.0%
+11
–   Fizbo 2 64-bit3196+8
−8
(−67)31.5 − 20.5
(+15−4=33)
60.6%
31.5 / 52
100.0%
−9
–   Fritz 17 64-bit3191+16
−16
(−72)33 − 19
(+20−6=26)
63.5%
33.0 / 52
100.0%
+8
–   Andscacs 0.95 64-bit3180+10
−9
(−83)35.5 − 16.5
(+24−5=23)
68.3%
35.5 / 52
100.0%
+32
–   Arasan 22.1 64-bit3146+20
−20
(−117)36.5 − 15.5
(+26−5=21)
70.2%
36.5 / 52
100.0%
+10
–   NirvanaChess 2.5 64-bit3132+19
−19
(−131)13.5 − 6.5
(+8−1=11)
67.5%
13.5 / 20
100.0%
−31
–   Roc 1.7 64-bit3122+22
−22
(−141)42 − 10
(+35−3=14)
80.8%
42.0 / 52
100.0%
+83

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Created in 2005-2013 by CCRL team
Last games added on April 18, 2021