CCRL Blitz
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 2'472'902 games
played by 2'944 programs

White wins: 950'998 (38.5%)
Black wins: 761'961 (30.8%)
Draws: 759'943 (30.7%)
White score: 53.8%

Engine Details

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chess22k 1.9 64-bit (2969+15
−15		)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 17 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 9 64-bit3482+9
−9		(+513)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Fire 6.1 64-bit3288+11
−11		(+319)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Booot 6.2 64-bit3168+9
−9		(+199)10 − 33
(+2−25=16)
23.3%
10.0 / 43
0.0%
+19
0 0 0 = = 0 1 0 = 0 = 0 0 0 0 = = = 0 0 0 0 = = 0 0 1 0 = 0 = 0 = 0 = 0 = 0 0 = = 0 0
–   Chiron 4 64-bit3164+6
−7		(+195)1 − 0
(+1−0=0)		100.0%
1.0 / 1
0.0%
+INF
1
–   Nemorino 4.00 64-bit3067+13
−13		(+98)28 − 53
(+10−35=36)
34.6%
28.0 / 81
0.0%
+2
= 0 1 0 = = 0 0 = 0 0 = 0 0 0 1 = 0 0 0 0 = = = 0 0 = 1 0 0 = 1 = = = = 0 = = 1 = 0 = = 0 0 = 0 = = = = 0 = 0 = 0 0 0 1 1 = = 0 0 1 0 = = 0 = 1 1 0 0 = = 0 = 0 =
–   Xiphos 0.2 64-bit3063+13
−13		(+94)13.5 − 23.5
(+7−17=13)
36.5%
13.5 / 37
0.0%
+5
1 = 1 = = 1 0 1 = 0 0 = = 0 0 0 = 0 0 = = 0 1 0 0 1 0 0 0 = 0 0 = = 1 = 0
–   Arasan 20.5 64-bit3060+13
−13		(+91)14 − 23
(+5−14=18)
37.8%
14.0 / 37
0.0%
+13
= 0 = 0 = 0 = 0 = 0 = 1 = 0 1 0 = = 1 = = 1 0 0 = 0 = = = 0 1 0 0 = 0 = =
–   Pedone 1.7 64-bit3054+13
−13		(+85)11.5 − 25.5
(+6−20=11)
31.1%
11.5 / 37
0.0%
−44
0 0 = = 0 0 0 0 0 1 0 0 1 = 0 = 1 1 1 = = 0 0 0 0 0 0 = 1 = 0 = = 0 0 0 =
–   Defenchess 1.1f 64-bit3047+11
−11		(+78)29.5 − 51.5
(+16−38=27)
36.4%
29.5 / 81
0.0%
−14
1 0 = 0 = = = 1 0 0 = 1 = = = 0 = 1 = 0 1 0 0 = 0 = = 1 = = 0 0 0 0 1 0 0 1 0 = 0 = 0 0 = 0 0 1 = = 0 0 = 0 0 1 = = 1 1 0 1 0 = = 1 0 0 0 1 1 0 0 0 0 = 0 = 0 0 0
–   Komodo 12 MCTS 64-bit3045+23
−23		(+76)8.5 − 23.5
(+2−17=13)
26.6%
8.5 / 32
0.0%
−74
0 0 = 0 0 = 0 0 0 0 = 1 = 0 0 0 0 = = 1 0 = 0 = = = 0 0 = = 0 =
–   Ethereal 9.30 64-bit3044+25
−25		(+75)15 − 23
(+5−13=20)
39.5%
15.0 / 38
0.0%
+14
= 0 = = = 0 = = = 0 = 0 0 1 = 0 0 1 = = 0 = = = = 0 0 0 1 1 = = 0 = = 1 = 0
–   Vajolet2 2.5 64-bit3040+13
−13		(+71)30.5 − 51.5
(+12−33=37)
37.2%
30.5 / 82
0.0%
−7
1 0 = 0 = 0 0 1 0 = 1 = 1 0 0 0 0 0 = 0 0 0 = 1 = 0 0 0 0 = 0 = = = = 0 = 0 1 = = = 0 0 1 = = = = = 1 = = 1 0 = = = = 0 0 = = 0 = 0 = = = 0 0 0 0 1 = 1 = 1 = 0 0 =
–   Naum 4.6 64-bit3031+7
−7		(+62)13.5 − 23.5
(+5−15=17)
36.5%
13.5 / 37
0.0%
−21
= 0 = 0 1 = 0 0 0 0 0 = 1 = 0 0 = 0 = = = = 1 1 1 0 = = = 0 = = = 0 0 = 0
–   Hakkapeliitta TCEC v2 64-bit3021+8
−8		(+52)23 − 24
(+15−16=16)
48.9%
23.0 / 47
0.0%
+48
= 0 0 = 1 = 0 1 = = 0 1 = 1 0 1 1 1 1 1 = 1 = 0 = 0 1 = = = 0 0 1 = 1 0 = 0 1 0 0 0 = 0 1 0 =
–   Hiarcs 142985+8
−8		(+16)19.5 − 17.5
(+14−12=11)
52.7%
19.5 / 37
3.7%
+35
1 0 1 1 1 0 0 = 0 1 0 = = 1 = = = 0 = = = 0 1 1 = 0 0 1 1 1 0 1 1 0 0 1 =
–   Hakkapeliitta 3.0 64-bit2985+9
−9		(+16)16 − 21
(+9−14=14)
43.2%
16.0 / 37
4.3%
−27
= = 1 0 1 0 0 = = 1 1 = 0 0 = = 1 = 1 0 1 0 0 0 = 0 = = 0 1 0 = = 0 = 1 0
–   ChessBrainVB 3.662978+16
−16		(+9)2 − 3
(+2−3=0)		40.0%
2.0 / 5
22.3%
−83
1 0 0 0 1
–   Wasp 2.6 64-bit2978+14
−15		(+9)20.5 − 16.5
(+10−6=21)
55.4%
20.5 / 37
19.5%
+39
1 = 1 1 0 = = 1 = = 1 0 = = = 1 1 = = = = 1 = 1 = = = = 0 = 0 = = 1 0 = 0
–   Bobcat 8.0 64-bit2961+9
−9		(−8)39 − 41
(+23−25=32)
48.8%
39.0 / 80
82.6%
−17
1 0 1 0 1 1 0 0 0 0 = 1 = = 0 = 0 1 = = = 0 1 1 1 0 1 = 0 = = = = 1 = 0 = = 0 = 0 = 0 1 1 1 = 0 1 = 1 1 = 1 0 0 = = = = 0 0 = 0 0 1 1 = = 1 = = = 0 0 0 = 1 1 =
–   Demolito 2018-03-01 64-bit2957+14
−14		(−12)21 − 17
(+12−8=18)
55.3%
21.0 / 38
87.2%
+16
0 1 0 = = = 1 = 1 0 = 0 1 0 1 1 1 = = 0 = = 1 0 = 1 1 1 = = = = = 1 = = = 0
–   Amoeba 2.8 64-bit2953+13
−13		(−16)50 − 35
(+33−18=34)
58.8%
50.0 / 85
95.2%
+38
= 0 = = = 0 1 = 1 1 1 0 1 = 1 1 = 1 = 1 1 0 = 0 0 = = = = 0 = = 0 = 1 = 1 = = 0 0 = 1 0 1 = 1 = = 1 = 0 = 1 1 1 0 = 0 1 = = 0 1 1 1 0 1 0 = 1 1 1 = = 1 1 = 0 1 1 1 = = 1
–   Deuterium 2018.1.35.514 64-bit2952+15
−15		(−17)17 − 15
(+6−4=22)
53.1%
17.0 / 32
94.6%
0
1 = = = 1 = 0 = = = = = = 1 = = = = 0 1 = = 1 = = 0 = = = 0 = 1
–   Cheng 4.39 64-bit2943+8
−8		(−26)17.5 − 20.5
(+9−12=17)
46.1%
17.5 / 38
99.9%
−51
1 = 0 = 1 0 1 0 = = 0 = 1 = 0 1 0 = = 0 0 1 = 0 = = = = = 1 0 1 0 = = = 1 0
–   Crafty 25.2 64-bit2934+11
−10		(−35)23 − 17
(+14−8=18)
57.5%
23.0 / 40
100.0%
+11
1 = = = = 1 1 0 = 1 = = = 0 = = 1 0 0 = 1 = 1 0 = 1 1 0 = 1 1 = 0 = 1 1 1 = 0 =
–   Deep Sjeng c't 20102926+14
−14		(−43)21.5 − 20.5
(+13−12=17)
51.2%
21.5 / 42
100.0%
−36
0 1 = 0 1 = 1 = = 1 1 1 = = 0 = 0 = 1 = 0 = 0 1 = 1 = 0 = = 0 0 0 1 = 0 1 = 0 1 1 =
–   Spark 1.0 64-bit2926+7
−7		(−43)41.5 − 41.5
(+26−26=31)
50.0%
41.5 / 83
100.0%
−42
0 1 1 0 0 = = = = 1 0 0 = = 1 = 1 = 1 0 1 = = 0 0 0 0 = 1 0 1 = 1 1 0 0 = 0 1 = 0 = = 0 = 0 = = 1 = = 1 1 0 = = 0 1 0 = 0 0 = 1 = 1 1 = 1 1 = 1 = 0 1 1 0 1 0 0 1 = =
–   Atlas 3.91 64-bit2923+9
−10		(−46)23 − 17
(+15−9=16)
57.5%
23.0 / 40
100.0%
+2
= 0 1 0 = 1 1 0 = 1 = = 0 = 1 = = 1 1 0 1 0 1 1 0 = 1 = = 0 1 = 1 0 = = 1 = 1 =
–   Toga II 4.0 64-bit2922+13
−13		(−47)26 − 14
(+19−7=14)
65.0%
26.0 / 40
100.0%
+52
0 1 1 = 1 = 0 0 = 1 1 1 = 0 1 = 1 1 = = = = 1 1 1 1 1 = 1 1 1 0 = 0 1 = 1 = = 0
–   Spike 1.4 Leiden2920+6
−7		(−49)22 − 18
(+15−11=14)
55.0%
22.0 / 40
100.0%
−19
1 1 = 1 1 = = = 1 0 = 1 = 0 = 0 1 1 1 1 1 = 0 1 = 0 = 1 = 0 0 1 = 0 1 0 0 0 = =
–   EXchess 7.97b 64-bit2917+10
−10		(−52)33 − 14
(+26−7=14)
70.2%
33.0 / 47
100.0%
+88
1 = = = 1 = 1 = 1 1 0 1 = 1 0 1 1 0 1 1 1 = = = 1 1 0 1 1 1 1 = = 1 1 0 0 = = 1 1 = 1 1 0 1 1
–   Scorpio 2.8 64-bit2904+15
−15		(−65)28.5 − 19.5
(+20−11=17)
59.4%
28.5 / 48
100.0%
−3
= = 0 = 0 = 1 0 1 1 0 1 = 1 = 1 = = = 0 1 1 1 1 = = 1 1 = 0 1 1 0 = = 1 = 1 0 = 0 0 1 1 0 1 = 1
–   Zurichess Neuchatel 64-bit2902+9
−9		(−67)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Tucano 7.00 64-bit2872+16
−16		(−97)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Gaviota 1.0 64-bit2871+8
−8		(−98)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Zappa Mexico II 64-bit2846+7
−6		(−123)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Octochess r5506 64-bit2819+12
−12		(−150)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Rhetoric 1.4.3 64-bit2808+8
−8		(−161)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   RuyDos 1.1.0 64-bit2782+15
−15		(−187)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−217
=
–   Fruit 2.3.12781+18
−18		(−188)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Frenzee 3.5.19 64-bit2770+7
−7		(−199)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−168
=
–   BugChess2 1.9 64-bit2760+8
−8		(−209)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Chronos 1.9.9 64-bit2740+7
−7		(−229)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Marvin 3.0.0 64-bit2707+17
−17		(−262)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Delfi 5.42683+7
−7		(−286)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Djinn 1.021 64-bit2674+10
−10		(−295)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Gandalf 7 64-bit2665+11
−11		(−304)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Zarkov 6.552620+12
−12		(−349)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Glass 2.0 64-bit2614+9
−9		(−355)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Pharaon 3.5.12603+7
−7		(−366)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   N2 0.4 64-bit2591+10
−10		(−378)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Capivara LK 0.09b02g 64-bit2537+15
−15		(−432)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Green Light Chess 3.01.2.22505+8
−8		(−464)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−433
=
–   Danchess CCT72504+14
−14		(−465)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−495
=
–   BBChess 1.3b 64-bit2482+12
−12		(−487)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Delphil 3.2 64-bit2431+14
−14		(−538)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Snitch 1.6.2 32-bit2418+10
−10		(−551)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Terra 3.42369+10
−10		(−600)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
1352 games: 372 wins, 442 losses, 538 draws (39.8%), score: 47.4%

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021