CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.87#135  (2582+20
−20
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.7 64-bit2738+19
−19
(+156)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.0%
+96
–   ProDeo 2.22725+20
−20
(+143)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
0
–   Tucano 6.00 64-bit2725+16
−15
(+143)0.5 − 7.5
(+0−7=1)
6.3%
0.5 / 8
0.0%
−266
–   Marvin 2.2.0 64-bit2722+26
−26
(+140)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−86
–   Cheese 1.9 64-bit2711+20
−20
(+129)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+129
–   Carballo 1.6 64-bit2710+27
−26
(+128)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Amoeba 2.1 64-bit2710+29
−29
(+128)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−160
–   Ktulu 82705+9
−9
(+123)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−75
–   Octochess r4741 64-bit2697+32
−32
(+115)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
+12
–   Scorpio 2.6 32-bit2696+32
−32
(+114)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−59
–   Zurichess Graubuenden 64-bit2689+25
−24
(+107)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−42
–   Gogobello 1.4 64-bit2688+29
−29
(+106)5 − 7
(+1−3=8)
41.7%
5.0 / 12
0.0%
+64
–   Cheese 1.8 64-bit2683+20
−20
(+101)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−160
–   Devel 1.80902683+27
−27
(+101)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+250
–   Tornado 4.82 32-bit2682+34
−35
(+100)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−95
–   Chessmaster 11 Leonidas2681+21
−21
(+99)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.0%
+139
–   Arminius 2017-01-01 64-bit2678+21
−21
(+96)4 − 8
(+0−4=8)
33.3%
4.0 / 12
0.0%
+4
–   chess22k 1.4 64-bit2674+28
−27
(+92)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
0.0%
+69
–   ChessBrainVB 2.052668+23
−23
(+86)2 − 1
(+1−0=2)
66.7%
2.0 / 3
0.0%
+168
–   RedQueen 1.1.98 64-bit2662+21
−21
(+80)7 − 9
(+6−8=2)
43.8%
7.0 / 16
0.0%
+27
–   CM9000 Enforcer2659+21
−21
(+77)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−65
–   Floyd 0.9 64-bit2657+18
−19
(+75)9 − 15
(+7−13=4)
37.5%
9.0 / 24
0.0%
−21
–   ECE X3 64-bit2657+23
−24
(+75)8 − 6
(+5−3=6)
57.1%
8.0 / 14
0.0%
+116
–   Cyrano 0.6b17 64-bit2653+24
−24
(+71)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Philou 3.7.1 64-bit2653+14
−14
(+71)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+71
–   Cyrano 0.6b17 32-bit2647+14
−14
(+65)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+32
–   WyldChess 1.4 64-bit2639+27
−27
(+57)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−38
–   Gandalf 7 64-bit2630+26
−26
(+48)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.2%
−109
–   Rodin 8.02628+16
−16
(+46)16.5 − 22.5
(+7−13=19)
42.3%
16.5 / 39
0.0%
0
–   Hamsters 0.72626+24
−24
(+44)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.2%
−84
–   Ruffian 2.1.02621+13
−13
(+39)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.1%
−118
–   Phalanx XXV2614+17
−17
(+32)17 − 20
(+11−14=12)
45.9%
17.0 / 37
0.6%
+6
–   GreKo 2015-ML 64-bit2609+25
−25
(+27)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
4.6%
+2
–   Arasan 13.2 32-bit2609+33
−33
(+27)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
8.2%
−8
–   DanaSah 6.502604+22
−22
(+22)8 − 13
(+4−9=8)
38.1%
8.0 / 21
6.3%
−56
–   Arminius 2015-08-06 64-bit2603+20
−20
(+21)7 − 7
(+3−3=8)
50.0%
7.0 / 14
6.9%
+21
–   Donna 4.0 64-bit2602+17
−17
(+20)16.5 − 19.5
(+9−12=15)
45.8%
16.5 / 36
5.7%
−4
–   DanaSah 6.802601+27
−28
(+19)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
13.2%
+101
–   Gogobello 1.3 64-bit2600+27
−27
(+18)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
14.7%
+49
–   Gogobello 1.2 64-bit2593+28
−28
(+11)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
25.2%
−105
–   Muse 0.953 64-bit2592+18
−18
(+10)7.5 − 6.5
(+6−5=3)
53.6%
7.5 / 14
21.5%
+37
–   GreKo 2016 64-bit2591+21
−22
(+9)2 − 2
(+1−1=2)
50.0%
2.0 / 4
27.2%
+9
–   N2 0.4 64-bit2591+16
−16
(+9)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
24.3%
+46
–   Ethereal 7.78 64-bit2587+25
−25
(+5)4.5 − 8.5
(+2−6=5)
34.6%
4.5 / 13
37.5%
−94
–   GarboChess 3.0 64-bit2586+17
−17
(+4)2 − 8
(+0−6=4)
20.0%
2.0 / 10
39.1%
−194
–   Marvin 2.1.0 64-bit2582+27
−28
(0)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
48.8%
+92
–   tomitankChess 1.5 64-bit2580+29
−30
(−2)3 − 5
(+1−3=4)
37.5%
3.0 / 8
55.0%
−75
–   Jellyfish 1.1 64-bit2575+17
−17
(−7)8 − 10
(+4−6=8)
44.4%
8.0 / 18
68.9%
−41
–   Counter 2.1.0 64-bit2575+28
−28
(−7)8.5 − 3.5
(+6−1=5)
70.8%
8.5 / 12
65.9%
+122
–   DanaSah 7.02568+49
−49
(−14)3 − 1
(+2−0=2)
75.0%
3.0 / 4
70.1%
+134
–   Brutus 8.05 64-bit2566+27
−27
(−16)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
81.7%
+140
–   Coiled 0.4 64-bit2562+19
−19
(−20)13 − 11
(+9−7=8)
54.2%
13.0 / 24
92.2%
+7
–   Zurichess Glarus 64-bit2557+27
−27
(−25)5 − 5
(+2−2=6)
50.0%
5.0 / 10
93.1%
−21
–   Capivara LK 0.09b02g 64-bit2556+18
−18
(−26)6 − 2
(+4−0=4)
75.0%
6.0 / 8
97.1%
+127
–   JikChess 0.02 64-bit2556+17
−17
(−26)8 − 6
(+7−5=2)
57.1%
8.0 / 14
97.6%
+28
–   Capivara LK 0.09b02c 64-bit2556+21
−21
(−26)5 − 5
(+4−4=2)
50.0%
5.0 / 10
95.7%
−26
–   Carballo 1.5 64-bit2554+26
−26
(−28)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
95.3%
−59
–   Counter 2.0.2 64-bit2552+27
−27
(−30)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
96.2%
−57
–   Gogobello 1.1 64-bit2552+29
−29
(−30)6 − 4
(+4−2=4)
60.0%
6.0 / 10
95.3%
+28
–   Ghost 3.1 64-bit2547+23
−23
(−35)10.5 − 9.5
(+7−6=7)
52.5%
10.5 / 20
98.9%
−21
–   WyldChess 1.3 64-bit2546+29
−29
(−36)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
97.7%
+135
–   Ghost 3 64-bit2545+27
−27
(−37)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
98.5%
−68
–   tomitankChess 1.4 64-bit2545+28
−28
(−37)1 − 1
(+1−1=0)
50.0%
1.0 / 2
98.2%
−37
–   nanoSzachy 4.1 64-bit2533+18
−17
(−49)7 − 7
(+4−4=6)
50.0%
7.0 / 14
100.0%
−45
–   chess22k 1.3 64-bit2527+29
−29
(−55)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.9%
−50
–   Hermann 2.8 64-bit2527+18
−18
(−55)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+8
–   Fridolin 2.0 64-bit2525+16
−16
(−57)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+6
–   ECE X22509+28
−28
(−73)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−4
–   Floyd 0.8 64-bit2508+25
−25
(−74)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
100.0%
−117
–   MadChess 2.2 64-bit2505+25
−25
(−77)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+27
–   WyldChess 1.1 64-bit2504+30
−31
(−78)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+207
–   CyberPagno 3.0 64-bit2503+20
−20
(−79)8 − 2
(+6−0=4)
80.0%
8.0 / 10
100.0%
+116
–   Betsabe II 1.752501+26
−26
(−81)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+154
–   Bagatur 1.5e 64-bit2499+29
−29
(−83)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
100.0%
−46
–   ECE X2498+32
−32
(−84)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+64
–   WyldChess 1.2 64-bit2472+30
−30
(−110)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+37
–   Schooner 1.7.0 64-bit2466+24
−24
(−116)5 − 5
(+3−3=4)
50.0%
5.0 / 10
100.0%
−116
–   Counter 1.99 64-bit2460+32
−32
(−122)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
100.0%
−56
–   Bagatur 1.4e 64-bit2451+30
−30
(−131)8.5 − 1.5
(+8−1=1)
85.0%
8.5 / 10
100.0%
+175
–   Nemeton 1.512444+23
−23
(−138)2 − 4
(+0−2=4)
33.3%
2.0 / 6
100.0%
−227
–   Bearded N44.5 64-bit2436+34
−34
(−146)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−39
–   Nemeton 1.62427+27
−28
(−155)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
−9

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.87
played with current
participants of this list
Represented by
1-2-CPU#1312588467itself
32-bit    12nothing
32-bit 1-2-CPU    12nothing
32-bit single-CPU    12nothing
All#1272589467itself
Free#1142589467itself
Free 1-2-CPU#1192588467itself
Free 32-bit    12nothing
Free 32-bit 1-2-CPU    12nothing
Free 32-bit single-CPU    12nothing
Free single-CPU#1192588467itself
Single-CPU#1312588467itself

Created in 2005-2013 by CCRL team
Last games added on January 20, 2018