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

Options
Show each game results
chess22k 1.8 64-bit (2959+17
−17
)Quote
Author: Sander Maassen vd Brink Link: github
This is one of the 17 chess22k versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fire 6.1 64-bit3288+11
−11
(+329)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+149
0 =
–   Hannibal 1.7 64-bit3110+7
−7
(+151)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Protector 1.9.0 64-bit3088+7
−6
(+129)18.5 − 30.5
(+9−21=19)
37.8%
18.5 / 49
0.0%
+48
0 0 = 0 0 = = 0 1 = 0 0 1 0 = = 0 = = = 1 0 0 = = 1 = 0 1 = 1 0 0 = = 1 0 1 = = 1 = 0 0 0 0 0 0 =
–   Defenchess 1.1f 64-bit3047+11
−11
(+88)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+207
= 1
–   Ethereal 9.30 64-bit3044+25
−25
(+85)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+54
=
–   Hakkapeliitta TCEC v2 64-bit3021+8
−8
(+62)17.5 − 32.5
(+8−23=19)
35.0%
17.5 / 50
0.0%
−34
= 0 = = = = 0 0 = 0 0 1 = = 0 = = 0 1 0 0 0 0 1 0 0 1 = 1 = 0 0 0 = = 1 0 0 0 = = 0 = = 1 = 0 0 1 0
–   Hiarcs 142985+8
−8
(+26)20 − 8
(+16−4=8)
71.4%
20.0 / 28
0.3%
+174
= 1 1 = 1 = = = 1 1 = 1 1 = 0 = 1 1 1 0 0 1 1 1 1 1 1 0
–   Ethereal 9.00 64-bit2984+18
−18
(+25)8 − 8
(+6−6=4)
50.0%
8.0 / 16
2.3%
+22
1 1 1 0 = 0 = 0 0 0 = = 1 1 0 1
–   Wasp 2.6 64-bit2978+14
−15
(+19)19 − 12
(+12−5=14)
61.3%
19.0 / 31
4.3%
+88
= = = 0 1 = = 1 1 0 1 = 0 1 1 = 0 = = 1 = = = 1 = 1 = 1 1 1 0
–   ChessBrainVB 3.662978+16
−16
(+19)11 − 16
(+4−9=14)
40.7%
11.0 / 27
5.5%
−36
= = 0 0 0 = 1 0 = = 1 0 = 0 = 0 1 0 = = = = = = 1 0 =
–   Bobcat 8.0 64-bit2961+9
−9
(+2)31 − 38
(+17−24=28)
44.9%
31.0 / 69
42.7%
−28
= = = 1 = 1 = 0 0 1 1 1 0 = 0 = = = = 1 0 1 0 = 0 = = 0 0 1 = 1 = 1 0 0 0 0 = 0 = = = 0 0 0 = = = 1 0 = 0 = 0 1 1 0 = 1 1 1 0 = = 1 0 0 =
–   Demolito 2018-03-01 64-bit2957+14
−14
(−2)16.5 − 13.5
(+12−9=9)
55.0%
16.5 / 30
56.5%
+34
0 0 = 1 = 1 0 1 1 1 = = 1 = = 0 1 0 1 = 0 1 1 = 0 0 = 1 1 0
–   Amoeba 2.8 64-bit2953+13
−13
(−6)11 − 7
(+6−2=10)
61.1%
11.0 / 18
73.2%
+57
1 = = 1 = = = = 1 = 1 1 = = = 1 0 0
–   Cheng 4.39 64-bit2943+8
−8
(−16)15.5 − 8.5
(+10−3=11)
64.6%
15.5 / 24
96.2%
+72
= 1 1 = 1 = 1 1 1 0 = 1 = 0 0 = = = 1 1 = = 1 =
–   Amoeba 2.7 64-bit2938+14
−14
(−21)32.5 − 40.5
(+16−24=33)
44.5%
32.5 / 73
97.3%
−52
0 0 1 = 1 1 1 0 0 = = 1 = = = = 0 = = 0 = 0 1 = 0 0 0 = = 0 = 0 = 1 = = = = = 0 = = 1 0 0 = 0 0 0 = = = 0 1 1 0 1 0 = = = = 1 = = 0 1 = 1 0 1 0 1
–   Crafty 25.2 64-bit2934+11
−10
(−25)39 − 31
(+28−20=22)
55.7%
39.0 / 70
99.5%
+17
= = = 0 0 1 1 1 1 = 0 0 1 1 0 0 1 = 1 0 1 = 0 = 0 0 = 1 1 0 1 = = 0 1 = 1 1 1 0 1 0 1 = = 0 0 = 1 1 1 = 0 1 = 0 0 1 = 1 = 1 = 1 = = = 1 1 0
–   Spark 1.0 64-bit2926+7
−7
(−33)39.5 − 38.5
(+22−21=35)
50.6%
39.5 / 78
100.0%
−28
1 1 0 1 0 0 1 1 = = 0 = 0 0 0 = = = 0 1 0 0 = 1 = = 1 1 = = = 1 1 1 = 0 1 0 = = = = 0 = 1 1 = = 1 = 0 = = 0 0 0 1 = 0 = 1 0 = = = 1 = 0 1 = 1 = = 1 = = 0 =
–   Atlas 3.91 64-bit2923+9
−10
(−36)30 − 24
(+20−14=20)
55.6%
30.0 / 54
100.0%
0
= = 1 1 = 0 1 0 = 0 0 1 0 = 1 1 1 1 0 = = = = = = 0 1 = 1 = = 1 0 = 1 = 1 0 = 1 1 0 = = = 1 1 0 1 0 1 1 0 0
–   Toga II 4.0 64-bit2922+13
−13
(−37)18.5 − 10.5
(+13−5=11)
63.8%
18.5 / 29
100.0%
+51
1 = = 0 1 1 1 0 = 1 1 = = 0 0 = = 1 1 = 1 = 1 1 1 1 = = 0
–   Spike 1.4 Leiden2920+6
−7
(−39)15 − 8
(+9−2=12)
65.2%
15.0 / 23
100.0%
+50
1 = 1 1 = 0 = 0 = = 1 = 1 = = 1 = = = = 1 1 1
–   EXchess 7.97b 64-bit2917+10
−10
(−42)41.5 − 33.5
(+26−18=31)
55.3%
41.5 / 75
100.0%
−8
= 1 1 0 = 1 = 0 = 1 0 = = = 1 1 = 0 1 1 0 = = = 1 0 0 1 = 1 1 0 = 0 = = = = = = = = 0 0 1 0 = 1 = = 0 0 = = 1 1 0 1 1 1 1 1 0 1 = 0 1 = 1 = = 1 0 1 =
–   DiscoCheck 5.2.1 64-bit2913+9
−9
(−46)26 − 23
(+15−12=22)
53.1%
26.0 / 49
100.0%
−28
= 0 1 = 1 1 = 1 = 1 = 1 1 0 1 1 1 = = 0 = = = = 0 0 1 0 0 1 0 0 0 1 1 1 = = 0 = = = 0 = = = = = =
–   Rodent III 0.172 64-bit2908+14
−14
(−51)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−110
= 0 = =
–   ChessBrainVB 3.502906+15
−15
(−53)16.5 − 11.5
(+10−5=13)
58.9%
16.5 / 28
100.0%
−3
1 1 = 1 = 0 0 = = = 1 1 = 0 0 1 1 1 = = 1 = 0 = = 1 = =
–   Zurichess Neuchatel 64-bit2902+9
−9
(−57)58 − 41
(+30−13=56)
58.6%
58.0 / 99
100.0%
−7
= = 1 = = = 1 = 1 = = 1 = = = 1 1 1 = 1 1 1 1 1 0 1 = = = = = = = = 0 0 = = = 0 0 = = 0 1 = = = 1 1 0 = 1 = = = = = = 1 = 1 = 1 = = = 1 1 = = 1 0 1 = 1 = 0 = 1 0 = = = 1 = = 0 = 0 0 1 = 1 = = = 1 =
–   Quazar 0.4 64-bit2901+7
−7
(−58)40 − 29
(+27−16=26)
58.0%
40.0 / 69
100.0%
−5
= = 0 0 1 0 = = = 0 = 1 1 1 1 = = = 0 0 1 1 = 0 1 = 1 0 1 1 = = 1 1 = 1 1 0 0 = = 1 0 1 1 1 1 0 1 = 0 = = = 1 0 = 0 1 0 1 1 = = 1 = = = 1
–   Deep Junior Yokohama 64-bit2898+9
−9
(−61)3.5 − 3.5
(+2−2=3)
50.0%
3.5 / 7
100.0%
−85
= 0 1 1 0 = =
–   Daydreamer 2.0.0-pre2 64-bit2891+11
−11
(−68)19 − 9
(+15−5=8)
67.9%
19.0 / 28
100.0%
+54
= 1 1 = = 1 0 = 1 1 1 0 1 1 = 0 1 0 = = 0 1 1 1 = 1 1 1
–   Deuterium 14.3.34.130 64-bit2883+9
−9
(−76)25 − 25
(+12−12=26)
50.0%
25.0 / 50
100.0%
−77
0 0 = = = = 1 = = 1 = 0 1 1 = = 0 0 = 1 = = = 1 0 = 0 1 1 1 = = 1 0 = 0 = 0 = = = = = = 0 = 1 0 = 1
–   RuyDos 1.1.0 64-bit2782+15
−15
(−177)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−146
0 1
–   Devel 1.80902708+16
−16
(−251)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−281
=
–   WildCat 82625+7
−7
(−334)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   JikChess 0.02 64-bit2523+12
−12
(−436)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Drosophila 1.5.1 64-bit2477+15
−14
(−482)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Xpdnt 0910072469+12
−11
(−490)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Amy 0.87b2385+9
−9
(−574)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   The Crazy Bishop 00522364+9
−9
(−595)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Betsy 6.51 Nobook2356+12
−12
(−603)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Tigran 2.4n 64-bit2344+10
−11
(−615)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Horizon 4.42343+8
−8
(−616)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Jazz 840 64-bit2320+19
−19
(−639)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Ayito 0.2.9942287+10
−10
(−672)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Napoleon 1.8 64-bit2253+14
−14
(−706)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132212+14
−14
(−747)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Beowulf 2.4a 32-bit2204+10
−10
(−755)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RattateChess 1.0 Nosferatu2200+12
−12
(−759)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Fortress 1.622137+8
−8
(−822)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   BikJump 2.01 64-bit2102+8
−8
(−857)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1

Rating changes by day

Rating changes with played games


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