CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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K2 0.83 (2560+16
−16
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 7 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Gogobello 1.3 64-bit2655+18
−18
(+95)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
−4
0 1 0 = = 0 0 0 1 0 0 0 1 1 = 0 = 0 = 0 = 1 1 = 0 0 0 0 0 = = 1
–   GreKo 2016 64-bit2620+15
−15
(+60)12.5 − 18.5
(+6−12=13)
40.3%
12.5 / 31
0.0%
−3
0 = = = = 0 0 0 = 0 1 1 = 1 = 0 = = 0 = 1 0 = 1 0 0 = 0 = 1 0
–   Zarkov 6.552618+14
−14
(+58)9 − 11
(+6−8=6)
45.0%
9.0 / 20
0.0%
+23
= = = 0 0 0 0 1 0 1 1 0 = 0 1 1 0 = 1 =
–   WyldChess 1.4 64-bit2609+17
−17
(+49)10 − 20
(+6−16=8)
33.3%
10.0 / 30
0.0%
−69
0 = 0 0 0 0 1 0 1 0 = 1 0 1 = = = 0 1 0 0 = 0 0 = = 0 1 0 0
–   Glass 2.0 64-bit2607+11
−10
(+47)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
−13
0 = 1 1 = 0 0 0 0 1 1 0 0 0 1 1 = 0 0 0 1 1 1 0 1 0 = 0 1 0 0 =
–   Pharaon 3.5.12603+7
−7
(+43)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
−59
0 = 0 0 1 0 = 1 = 0 = 1 0 = = 0 0 1 0 0 0 1 = = = 0 0 = 0 = 0 =
–   Amyan 1.722602+8
−8
(+42)9 − 23
(+4−18=10)
28.1%
9.0 / 32
0.0%
−108
0 = = 0 0 1 1 0 0 0 0 0 1 = 0 = = 0 0 0 = 0 = 0 1 = = 0 = 0 0 0
–   GarboChess 2.10 64-bit2598+9
−9
(+38)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
−60
0 1 0 = 0 1 = 0 1 0 0 = 0 0 0 0 = 1 0 0 1 = 0 0 = = 0 1 1 = = 0
–   Floyd 0.9 64-bit2592+15
−15
(+32)20.5 − 10.5
(+17−7=7)
66.1%
20.5 / 31
0.2%
+144
0 1 1 = 0 0 1 = = 1 1 1 1 1 0 1 1 1 = 0 = 1 1 0 1 1 1 1 = 0 =
–   Muse 0.953 64-bit2589+14
−14
(+29)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.3%
+30
0 1 1 0 1 0 0 1 1 0 = 0 1 1 = 1 0 1 0 0 0 1 = 1 0 = 1 0 1 0 = =
–   GreKo 2015 64-bit2587+16
−16
(+27)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.9%
−50
0 0 0 0 1 = = = 0 0 = 1 0 0 1 = 1 0 0 0 0 1 0 = 1 = 1 0 0 0 1 1
–   Francesca MAD 0.192584+10
−10
(+24)17 − 15
(+11−9=12)
53.1%
17.0 / 32
0.5%
+44
1 1 = 0 = = 1 = = 0 = 0 1 = 0 1 0 = 1 = = 1 0 0 = 0 1 1 1 = 1 0
–   Zurichess Glarus 64-bit2579+19
−19
(+19)14.5 − 16.5
(+7−9=15)
46.8%
14.5 / 31
6.2%
−1
0 0 0 0 = = 1 = = = 0 1 = = 1 1 1 = 0 1 = 0 = = = 0 = 0 = 1 =
–   Hamsters 0.7.12579+8
−8
(+19)19 − 13
(+14−8=10)
59.4%
19.0 / 32
1.5%
+85
1 = = 1 1 0 0 0 1 1 = 0 = 1 = 0 1 = 1 1 1 1 = 1 0 1 0 1 = 0 = =
–   DanaSah 6.502578+14
−14
(+18)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
4.3%
+51
1 1 0 0 = = = 1 0 = 0 1 1 0 1 1 1 0 1 0 1 0 = 1 0 = 0 1 0 1 = 1
–   SOS 5.12576+8
−7
(+16)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
3.2%
−40
0 = 0 1 1 1 = 0 1 0 1 = 0 = = 0 1 0 1 1 0 = 0 0 0 0 = = 0 = 0 1
–   Maverick 1.5 64-bit2570+14
−14
(+10)15.5 − 16.5
(+13−14=5)
48.4%
15.5 / 32
16.1%
−1
0 1 1 0 = = = 0 0 1 0 1 1 0 1 1 1 0 1 1 0 0 0 1 0 0 1 1 = = 0 0
–   Carballo 1.5 64-bit2570+19
−19
(+10)14 − 18
(+11−15=6)
43.8%
14.0 / 32
19.6%
−37
0 1 0 0 = 0 1 1 1 0 0 1 = = 0 0 0 1 0 0 1 1 1 1 0 0 0 = = = 0 1
–   Aristarch 4.502567+8
−8
(+7)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
20.6%
+40
0 1 1 1 1 1 = 1 1 0 0 = 1 0 1 1 0 0 0 1 = 0 = = = 0 1 1 0 = 1 0
–   Gandalf 4.32h2566+19
−19
(+6)17.5 − 13.5
(+13−9=9)
56.5%
17.5 / 31
30.4%
+48
= 1 1 0 0 0 1 1 = 1 1 = = = = = 0 0 0 1 = 0 1 1 = 1 0 1 0 1 1
–   Capivara LK 0.09b02c 64-bit2566+14
−13
(+6)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
28.9%
−24
= = 1 0 0 0 1 0 1 0 0 1 0 = 1 0 0 1 = 1 1 = 1 = = 0 1 0 0 = 0 =
–   Petir 4.392565+10
−10
(+5)16.5 − 15.5
(+10−9=13)
51.6%
16.5 / 32
29.7%
+16
= 1 1 0 1 1 1 = = 0 = 0 0 1 = = 0 0 1 1 0 = = 1 1 = = = = 0 = 0
–   nanoSzachy 4.1 64-bit2561+15
−15
(+1)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
43.9%
−56
0 0 = 0 1 1 = 1 0 0 0 0 1 1 0 1 0 1 0 0 0 0 = = = = 1 = 1 1 0 0
–   Marvin 2.1.0 64-bit2557+18
−18
(−3)12 − 20
(+7−15=10)
37.5%
12.0 / 32
60.3%
−91
1 = 0 = 0 = 0 = 1 = 0 0 1 0 0 = 0 1 0 1 0 0 1 1 0 = = 0 = = 0 0
–   Brutus 8.05 64-bit2554+11
−10
(−6)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
73.7%
−37
1 1 = 1 = 1 = 1 = = 1 1 0 1 0 0 0 = 0 = 0 1 0 0 = 1 0 = 0 0 0 0
–   Ghost 3.1 64-bit2549+19
−18
(−11)19 − 13
(+17−11=4)
59.4%
19.0 / 32
80.9%
+62
1 1 0 1 1 1 0 = 1 1 1 1 1 0 1 0 = = 0 1 1 0 0 1 0 1 0 1 = 1 0 0
–   Rebel Century2545+13
−13
(−15)21 − 11
(+15−5=12)
65.6%
21.0 / 32
91.6%
+85
1 1 1 1 1 = = 1 = = 1 = = 0 1 0 = = = = 1 0 0 1 = 1 1 0 1 1 1 =
–   AnMon 5.752539+8
−8
(−21)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
99.1%
−55
= 0 1 0 0 1 = = = 1 0 1 1 0 = 0 0 1 = = = 0 1 = 0 0 1 1 0 1 0 0
–   Ufim 8.022537+7
−7
(−23)15 − 17
(+8−10=14)
46.9%
15.0 / 32
99.6%
−42
= 1 0 = 0 = 0 = = 0 = 1 1 = = 1 0 0 = 1 1 0 0 0 0 = 1 1 = = = =
–   DanaSah 4.882533+12
−12
(−27)19 − 13
(+15−9=8)
59.4%
19.0 / 32
99.6%
+35
1 1 0 1 1 = 1 0 = 1 0 1 1 = 0 = 1 = 1 0 0 0 1 = 0 1 1 = 0 = 1 1
–   Gogobello 1.1 64-bit2533+17
−17
(−27)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
99.0%
+4
1 0 1 1 = 0 = 1 1 = = 1 0 = 1 = 1 1 1 0 0 1 = 0 0 = 1 0 0 0 = 1
–   Fridolin 2.0 64-bit2531+13
−13
(−29)16 − 16
(+12−12=8)
50.0%
16.0 / 32
99.7%
−32
0 = = 1 1 1 = 0 = 1 1 0 = 1 = 0 1 1 0 0 0 1 = 0 0 0 1 0 0 1 1 =
–   Hermann 2.8 64-bit2529+10
−10
(−31)38.5 − 25.5
(+30−17=17)
60.2%
38.5 / 64
99.9%
+41
1 = 1 0 1 = 1 = 1 1 1 0 1 = = 0 1 = 1 0 1 1 = = 1 1 1 0 0 = 1 0 1 0 0 = 1 1 1 0 1 = = = 0 = 1 1 0 0 = 0 = 1 0 1 1 0 = 0 1 1 1 1
–   ECE X2511+18
−18
(−49)21.5 − 10.5
(+19−8=5)
67.2%
21.5 / 32
100.0%
+85
1 1 1 1 0 1 1 0 1 0 1 = 1 = 1 0 = 1 1 0 1 1 0 1 1 0 1 0 1 = = 1
–   Green Light Chess 3.01.2.22507+9
−9
(−53)17 − 15
(+11−9=12)
53.1%
17.0 / 32
100.0%
−32
0 1 1 = = = 1 = = 1 0 0 1 1 0 0 = 1 0 0 0 = = 1 1 = = = = 0 1 1
–   Little Goliath Evolution 3.122506+7
−7
(−54)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
100.0%
+3
1 0 1 1 0 = 0 1 = 1 1 1 0 0 1 1 = 0 0 1 1 0 = 0 1 1 1 0 1 1 = 0
–   Trace 1.37a2505+8
−8
(−55)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
+94
= = 1 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 1 1 1 0 1 = 0 1 1 1 1 1 = 1
–   Yace 0.99.872504+8
−8
(−56)17 − 15
(+15−13=4)
53.1%
17.0 / 32
100.0%
−33
1 1 1 0 0 1 0 0 0 1 1 1 1 0 0 0 = 0 1 = 1 1 1 1 0 1 0 1 0 = 0 =
–   Coiled 0.4 64-bit2503+17
−17
(−57)18 − 14
(+12−8=12)
56.3%
18.0 / 32
100.0%
−16
0 1 = 1 = 1 0 0 1 = = = = 0 0 1 0 = 0 = 1 0 = = 1 = 1 1 1 1 = 1
–   ECE X22473+20
−20
(−87)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
−14
0 1 1 1 = 0 1 1 0 1 1 0 1 1 1 1 0 1 1 0 = 1 0 1 = 1 1 0 0 0 0 =
–   JikChess 0.01 64-bit2453+17
−17
(−107)19 − 13
(+16−10=6)
59.4%
19.0 / 32
100.0%
−34
= 1 1 0 0 1 = 1 = 1 1 0 0 1 1 1 0 1 = 1 1 = 1 1 1 0 0 0 = 0 0 1
–   Ethereal 7.60 64-bit2448+18
−18
(−112)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
+4
= 0 0 1 0 1 0 1 1 1 0 1 0 1 1 1 1 = 0 1 0 = = 1 1 1 1 1 = 1 1 =

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.83
played with current
participants of this list
Represented by
1-2-CPU    850K2 0.87
32-bit    500K2 0.87
32-bit 1-2-CPU    500K2 0.87
32-bit single-CPU    500K2 0.87
All    850K2 0.87
Free    850K2 0.87
Free 1-2-CPU    850K2 0.87
Free 32-bit    500K2 0.87
Free 32-bit 1-2-CPU    500K2 0.87
Free 32-bit single-CPU    500K2 0.87
Free single-CPU    850K2 0.87
Single-CPU    850K2 0.87

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017