CCRL Blitz
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 2'474'284 games
played by 2'947 programs

White wins: 951'541 (38.5%)
Black wins: 762'369 (30.8%)
Draws: 760'374 (30.7%)
White score: 53.8%

Engine Details

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K2 0.57 (2180+18
−18
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Absolute Zero 2.4.0.0 64-bit2259+15
−15
(+79)12.5 − 18.5
(+10−16=5)
40.3%
12.5 / 31
0.0%
+3
= 0 = 0 0 0 0 1 0 0 1 = 0 0 1 = 0 1 0 1 0 = 1 0 0 0 0 1 1 1 1
–   Anechka 0.082233+7
−8
(+53)14 − 16
(+12−14=4)
46.7%
14.0 / 30
0.0%
+26
1 = 1 0 0 0 0 = 0 1 0 0 0 1 1 1 0 0 0 1 1 1 0 1 = 1 1 0 0 =
–   Ant 2006-F2230+9
−8
(+50)18.5 − 11.5
(+16−9=5)
61.7%
18.5 / 30
0.0%
+140
1 1 1 1 = 0 0 1 0 0 = 1 1 1 = 0 0 0 1 0 1 1 = 1 1 1 1 1 0 =
–   AliChess 4.252227+10
−10
(+47)11.5 − 19.5
(+10−18=3)
37.1%
11.5 / 31
0.0%
−60
0 0 0 0 0 1 1 0 0 1 0 0 = 0 = 1 0 1 0 0 0 0 1 1 0 1 1 1 = 0 0
–   Fischerle 0.9.60 64-bit2225+17
−17
(+45)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.0%
−6
0 0 0 1 0 1 1 = 0 0 1 0 0 1 1 0 1 1 1 0 = 0 1 0 0 1 1 0 0 = 0 =
–   OBender 3.2.x2220+11
−11
(+40)17 − 14
(+12−9=10)
54.8%
17.0 / 31
0.0%
+71
= = 0 = = 0 1 0 1 = = = 1 1 0 0 1 0 1 0 = 1 = 0 1 1 = 1 0 1 1
–   Adam 3.32220+9
−9
(+40)8 − 23
(+6−21=4)
25.8%
8.0 / 31
0.0%
−153
0 = 0 0 0 0 0 0 0 = 0 1 0 0 1 0 0 = 1 0 0 0 1 1 1 0 0 = 0 0 0
–   Lozza 1.13 64-bit2218+19
−18
(+38)17 − 15
(+12−10=10)
53.1%
17.0 / 32
0.1%
+60
= 0 0 0 = = 1 0 = 1 1 1 0 1 = 1 1 = 0 0 0 1 1 1 0 1 = = 0 = = 1
–   FireFly 2.7.0 64-bit2207+14
−14
(+27)17.5 − 13.5
(+14−10=7)
56.5%
17.5 / 31
0.7%
+74
0 1 1 1 = = 1 1 1 1 1 = = 1 0 1 0 0 1 0 0 1 1 = = 0 = 0 1 0 0
–   Chispa 4.0.32206+8
−8
(+26)10 − 21
(+6−17=8)
32.3%
10.0 / 31
0.3%
−100
1 1 0 0 0 0 1 = 0 0 0 = = 1 1 0 0 0 0 0 = = 0 = 1 0 0 0 = 0 =
–   Orion 0.2 64-bit2206+17
−17
(+26)13 − 19
(+9−15=8)
40.6%
13.0 / 32
1.8%
−36
= 1 0 0 1 1 = 0 0 1 0 0 0 1 0 0 = 1 = 0 0 1 0 = 0 1 0 1 = 0 = =
–   CyberPagno 2.12205+10
−10
(+25)14 − 18
(+8−12=12)
43.8%
14.0 / 32
0.7%
−15
= 0 = = 1 = 0 = 1 0 1 = = 1 0 0 = 0 0 = 1 = = 0 0 0 1 1 = 0 1 0
–   Beowulf 2.4a 32-bit2204+10
−10
(+24)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
0.8%
+15
1 1 1 0 = 0 0 = 1 0 1 0 1 = 0 0 = 1 1 = 1 0 0 = 1 0 1 0 1 0 0 =
–   RattateChess 1.0 Nosferatu2200+12
−12
(+20)14.5 − 15.5
(+12−13=5)
48.3%
14.5 / 30
3.1%
+6
1 0 1 0 1 0 1 1 1 0 = = 0 0 = 1 1 0 1 0 1 1 0 0 0 0 0 1 = =
–   Shallow 1.0 64-bit2192+14
−14
(+12)18 − 14
(+13−9=10)
56.3%
18.0 / 32
14.6%
+55
1 0 = 0 1 1 0 0 0 0 1 = = = 1 1 1 0 = = 1 1 = = 1 = 0 1 1 1 0 =
–   Uralochka 1.1b2188+11
−11
(+8)12.5 − 19.5
(+8−15=9)
39.1%
12.5 / 32
20.0%
−65
0 0 0 1 1 0 = 0 = = = 1 0 0 0 = 0 0 = 0 0 0 = 1 0 1 = 1 1 0 1 =
–   Mango Paola Ajedrez 1.02186+11
−11
(+6)19.5 − 11.5
(+16−8=7)
62.9%
19.5 / 31
26.3%
+99
1 1 0 0 1 1 0 1 = 0 1 = 1 = 1 = 0 0 = 1 1 = 0 1 1 1 1 0 1 = 1
–   Protej 0.5.8c2184+12
−12
(+4)15 − 16
(+13−14=4)
48.4%
15.0 / 31
34.1%
−11
1 0 0 1 0 1 0 0 1 1 1 1 0 1 = 0 0 1 = = 1 1 = 0 1 0 0 0 0 0 1
–   Atak 6.82184+10
−9
(+4)17.5 − 13.5
(+12−8=11)
56.5%
17.5 / 31
33.4%
+47
= 0 1 0 1 0 1 0 = 1 1 = = 0 = 1 = 1 = 0 0 = 1 1 = 1 = 1 = 1 0
–   Madeleine 0.22183+9
−9
(+3)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
36.2%
−54
0 0 1 1 1 = 0 0 0 1 0 0 = 0 0 = 1 = 0 0 1 1 = 1 0 = 0 1 0 0 = 1
–   Genesis 2.02169+10
−10
(−11)13 − 17
(+9−13=8)
43.3%
13.0 / 30
84.4%
−58
= = = 1 1 = 1 0 0 0 1 = 1 1 0 1 0 0 0 0 0 = 0 = 0 0 1 = 0 1
–   InmiChess3.06N2161+10
−10
(−19)14 − 16
(+14−16=0)
46.7%
14.0 / 30
96.2%
−48
1 0 1 1 1 0 0 0 0 1 1 0 0 0 1 0 0 1 1 0 1 0 1 1 0 0 1 0 0 1
–   BlackBishop 1.02155+9
−9
(−25)15.5 − 13.5
(+11−9=9)
53.4%
15.5 / 29
99.3%
−1
1 = = 0 0 0 1 = = = 1 0 = 0 1 0 = 0 1 1 1 0 0 1 1 1 1 = =
–   Orion 0.1 64-bit2154+18
−18
(−26)17.5 − 13.5
(+13−9=9)
56.5%
17.5 / 31
97.8%
+14
0 1 = 1 0 1 0 1 1 1 0 0 0 1 1 = = 1 1 = 0 0 1 = 1 = = = = 0 1
–   Alarm 0.93.12143+9
−9
(−37)14.5 − 16.5
(+11−13=7)
46.8%
14.5 / 31
100.0%
−58
0 1 1 0 0 = = 1 = 1 0 0 0 1 1 0 0 1 1 1 1 1 = 0 0 0 = = 0 0 =
–   Lime 662142+8
−8
(−38)16 − 15
(+12−11=8)
51.6%
16.0 / 31
100.0%
−28
= 0 0 0 = 1 = = = = 1 1 1 1 0 0 1 0 1 1 0 0 0 1 = 1 0 1 = 0 1
–   Fortress 1.622137+8
−8
(−43)19 − 12
(+15−8=8)
61.3%
19.0 / 31
100.0%
+40
1 = 0 0 1 1 1 1 0 = 1 = 1 0 0 = 0 1 1 0 = 1 = 0 1 1 = 1 = 1 1
–   Nesik 0.7.0 alpha2133+9
−9
(−47)17 − 12
(+14−9=6)
58.6%
17.0 / 29
100.0%
+21
0 1 0 1 0 0 = 0 0 = = 1 1 1 1 1 = 0 = 0 1 1 0 1 1 1 = 1 1
–   WJChess 1.642129+9
−9
(−51)13.5 − 16.5
(+12−15=3)
45.0%
13.5 / 30
100.0%
−93
1 1 0 = 1 1 0 = 1 1 = 0 0 1 0 0 1 0 0 0 0 0 0 1 1 0 0 1 0 1
–   NG-Play 9.84 64-bit2118+16
−16
(−62)19 − 12
(+16−9=6)
61.3%
19.0 / 31
100.0%
+19
0 1 1 0 1 0 0 1 = 1 0 1 1 = 0 1 1 1 = 1 1 = 1 = 0 1 0 1 0 = 1
–   BikJump 2.01 64-bit2102+8
−8
(−78)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
100.0%
−18
1 0 0 1 0 1 1 = 1 = 0 0 1 0 1 1 1 1 0 1 0 = = 0 0 1 1 1 = = 1 =
–   Wing 2.0a2100+9
−9
(−80)22.5 − 7.5
(+20−5=5)
75.0%
22.5 / 30
100.0%
+118
= 1 1 = 1 = = 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 = 1 0 0 1 0
–   Clarabit 1.00 64-bit2095+9
−9
(−85)19.5 − 11.5
(+16−8=7)
62.9%
19.5 / 31
100.0%
+6
= 1 0 1 1 0 1 1 = 0 1 0 1 1 = 1 0 = = 1 0 0 1 1 1 = 1 0 1 1 =
–   Napoleon 1.5.0 64-bit2081+15
−15
(−99)16 − 14
(+12−10=8)
53.3%
16.0 / 30
100.0%
−70
= 1 = 0 0 1 = 1 = 1 1 = 0 = 1 = 1 0 = 0 0 1 0 1 0 1 1 0 1 0
–   Matheus 2.32057+9
−9
(−123)22.5 − 8.5
(+20−6=5)
72.6%
22.5 / 31
100.0%
+48
1 1 1 1 1 1 = 0 1 1 0 = 0 1 1 1 0 1 = = 0 1 1 1 1 1 1 = 1 1 0
–   ChessMind 0.822057+11
−11
(−123)17.5 − 12.5
(+17−12=1)
58.3%
17.5 / 30
100.0%
−52
0 1 = 1 1 1 1 1 0 1 0 0 0 1 0 1 0 0 1 1 1 0 0 0 1 1 1 1 1 0
–   Barbarossa 0.1.01831+37
−36
(−349)19.5 − 2.5
(+19−2=1)
88.6%
19.5 / 22
100.0%
+23
1 1 1 1 1 0 1 1 1 1 = 1 1 1 1 1 1 1 0 1 1 1
–   Zurichess 1501161733+31
−31
(−447)24 − 1
(+23−0=2)
96.0%
24.0 / 25
100.0%
+37
1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on March 2, 2021