CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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K2 0.87#133‑134  (2581+21
−21
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.7 64-bit2730+20
−20
(+149)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.0%
+89
0 0 = = 0 1 1 0 0 1 = =
–   ProDeo 2.22728+21
−21
(+147)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+4
= 0 = 0
–   Tucano 6.00 64-bit2727+16
−16
(+146)0.5 − 7.5
(+0−7=1)
6.3%
0.5 / 8
0.0%
−263
0 0 0 0 0 = 0 0
–   Cheese 1.9 64-bit2718+21
−21
(+137)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+137
1 0 = =
–   Marvin 2.2.0 64-bit2718+29
−29
(+137)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−89
0 1 0 0
–   Carballo 1.6 64-bit2711+27
−27
(+130)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   Amoeba 2.1 64-bit2709+29
−29
(+128)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−160
0 = 0 0
–   Ktulu 82704+9
−9
(+123)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−75
= 0 0 0 = 0 0 = = 0
–   Scorpio 2.6 32-bit2695+32
−32
(+114)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−59
0 0 = = 0 1 0 0 0 =
–   Octochess r4741 64-bit2695+32
−32
(+114)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
+11
1 0 = 0 = = 0 0 1 0
–   Zurichess Graubuenden 64-bit2688+25
−25
(+107)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−42
0 = = 0
–   Devel 1.80902686+30
−30
(+105)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+254
1 = = 1
–   Cheese 1.8 64-bit2682+20
−20
(+101)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−160
1 0 = 0 0 0 0 0
–   Tornado 4.82 32-bit2681+34
−35
(+100)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−94
= 0 = = 0 0 0 = 0 0
–   Chessmaster 11 Leonidas2680+21
−21
(+99)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.0%
+139
1 0 1 = 0 = 0 = 1 1
–   Arminius 2017-01-01 64-bit2678+22
−22
(+97)4 − 8
(+0−4=8)
33.3%
4.0 / 12
0.0%
+5
= = = = 0 0 0 0 = = = =
–   chess22k 1.4 64-bit2670+28
−28
(+89)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
0.0%
+66
= 0 1 = = = = = 0 0 0 = 1 1
–   ChessBrainVB 2.052667+23
−23
(+86)2 − 1
(+1−0=2)
66.7%
2.0 / 3
0.0%
+168
1 = =
–   RedQueen 1.1.98 64-bit2661+21
−22
(+80)7 − 9
(+6−8=2)
43.8%
7.0 / 16
0.0%
+27
0 1 0 1 0 0 0 = 0 1 0 1 1 1 0 =
–   ECE X3 64-bit2661+25
−25
(+80)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.0%
+118
0 1 = = 1 = 0 1
–   Floyd 0.9 64-bit2658+19
−19
(+77)8 − 12
(+6−10=4)
40.0%
8.0 / 20
0.0%
+2
0 0 0 0 1 0 1 = 1 1 0 = = 0 0 1 1 = 0 0
–   Cyrano 0.6b17 32-bit2647+14
−14
(+66)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+33
0 = 0 1 1 0 = = 0 1
–   WyldChess 1.4 64-bit2639+27
−27
(+58)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−37
0 0 1 =
–   Rodin 8.02626+17
−17
(+45)15 − 18
(+7−10=16)
45.5%
15.0 / 33
0.0%
+17
= 0 = = = 0 = = = 0 = 1 = 0 = 0 1 0 1 = 0 = = 1 0 = 0 1 0 = = 1 1
–   Hamsters 0.72624+24
−24
(+43)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.5%
−85
0 0 = = 0 0 0 1 = =
–   Phalanx XXV2616+17
−17
(+35)14.5 − 18.5
(+9−13=11)
43.9%
14.5 / 33
0.5%
−2
0 1 0 0 1 = = = = 0 = 1 = 0 1 0 1 0 0 1 0 0 = 0 = = 0 1 1 1 = 0 =
–   Arasan 13.2 32-bit2609+33
−33
(+28)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
8.6%
−7
= = 0 0 1 0 1 0 = 1
–   GreKo 2015-ML 64-bit2608+25
−25
(+27)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
5.2%
+2
= = 1 0 0 0 1 0 1 = = 1 0 =
–   Gogobello 1.3 64-bit2606+28
−28
(+25)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
7.9%
+67
= = 1 0 0 1 1 =
–   DanaSah 6.502604+22
−22
(+23)8 − 13
(+4−9=8)
38.1%
8.0 / 21
7.1%
−55
= = 1 0 0 0 0 1 0 = 0 1 0 0 1 = = = = 0 =
–   Donna 4.0 64-bit2602+17
−17
(+21)13 − 17
(+7−11=12)
43.3%
13.0 / 30
6.2%
−20
0 0 = 0 = = 0 = 1 = 0 0 1 0 = 0 0 1 = 1 = = 1 0 1 = = = 1 0
–   Arminius 2015-08-06 64-bit2602+19
−19
(+21)7 − 7
(+3−3=8)
50.0%
7.0 / 14
7.9%
+21
= 0 1 0 0 1 = = = = = 1 = =
–   DanaSah 6.802601+28
−28
(+20)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
13.3%
+102
1 0 1 =
–   Muse 0.953 64-bit2593+19
−19
(+12)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
21.3%
+54
= 1 1 = 0 0 = 1
–   Gogobello 1.2 64-bit2592+28
−28
(+11)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
26.2%
−105
0 1 0 0 0 0 0 1 = 1
–   N2 0.4 64-bit2591+16
−16
(+10)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
24.1%
+47
= = 0 1 0 = 1 1 0 1
–   Ethereal 7.78 64-bit2586+25
−25
(+5)4.5 − 8.5
(+2−6=5)
34.6%
4.5 / 13
38.5%
−94
= = = 0 0 0 1 0 0 = 0 = 1
–   Marvin 2.1.0 64-bit2584+28
−28
(+3)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
42.7%
+95
0 = 1 1
–   GarboChess 3.0 64-bit2581+17
−17
(0)2 − 8
(+0−6=4)
20.0%
2.0 / 10
48.9%
−198
= 0 = = 0 0 0 0 = 0
–   Jellyfish 1.1 64-bit2575+17
−17
(−6)8 − 10
(+4−6=8)
44.4%
8.0 / 18
68.6%
−40
0 1 = 0 = 1 0 = 1 = 0 = 0 0 1 = = =
–   Nawito 1.1d2573+62
−63
(−8)4 − 0
(+4−0=0)
100.0%
4.0 / 4
59.6%
+INF
1 1 1 1
–   Coiled 0.4 64-bit2561+21
−20
(−20)10 − 8
(+7−5=6)
55.6%
10.0 / 18
90.8%
+16
= = 0 = 0 1 1 = 1 1 = 1 1 = 1 0 0 0
–   Zurichess Glarus 64-bit2556+27
−27
(−25)5 − 5
(+2−2=6)
50.0%
5.0 / 10
92.5%
−21
1 = = = = 1 0 = 0 =
–   Capivara LK 0.09b02g 64-bit2556+19
−19
(−25)6 − 2
(+4−0=4)
75.0%
6.0 / 8
95.7%
+128
= 1 = = 1 = 1 1
–   JikChess 0.02 64-bit2555+17
−17
(−26)8 − 6
(+7−5=2)
57.1%
8.0 / 14
97.1%
+28
1 0 1 1 1 0 0 0 1 = 0 1 1 =
–   Capivara LK 0.09b02c 64-bit2555+21
−21
(−26)5 − 5
(+4−4=2)
50.0%
5.0 / 10
95.4%
−26
1 0 0 = = 0 1 1 1 0
–   Carballo 1.5 64-bit2553+26
−26
(−28)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
95.1%
−59
1 0 = = 0 1 = 0 = =
–   Gogobello 1.1 64-bit2552+29
−29
(−29)6 − 4
(+4−2=4)
60.0%
6.0 / 10
94.7%
+29
= 1 1 = 0 1 0 = 1 =
–   Counter 2.0.2 64-bit2552+27
−27
(−29)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
95.5%
−56
0 0 = = 0 1 = = = 1
–   DanaSah 7.02546+83
−86
(−35)3 − 1
(+2−0=2)
75.0%
3.0 / 4
78.8%
+110
1 1 = =
–   WyldChess 1.3 64-bit2545+29
−29
(−36)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
97.6%
+135
1 1 1 1 = = 1 = 0 1
–   Ghost 3 64-bit2544+27
−27
(−37)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
98.3%
−68
0 1 1 0 = 1 = 0 0 =
–   Ghost 3.1 64-bit2541+25
−25
(−40)8 − 8
(+5−5=6)
50.0%
8.0 / 16
99.3%
−42
1 1 0 0 1 = 1 0 = = = = 0 0 1 =
–   nanoSzachy 4.1 64-bit2531+17
−17
(−50)7 − 7
(+4−4=6)
50.0%
7.0 / 14
100.0%
−46
= 0 1 = 0 = 1 = 0 = 0 1 = 1
–   Hermann 2.8 64-bit2527+18
−18
(−54)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+9
1 0 0 1 = = = 1 1 =
–   Fridolin 2.0 64-bit2524+16
−16
(−57)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+6
= = 1 1 = = 0 1 1 0
–   chess22k 1.3 64-bit2523+29
−29
(−58)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.9%
−53
= 1 0 1 = 1 = 0 0 =
–   Floyd 0.8 64-bit2508+25
−25
(−73)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
100.0%
−116
= 1 0 0 0 0 0 1 1 1
–   MadChess 2.2 64-bit2508+27
−27
(−73)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
100.0%
+31
1 1 1 = = 1 = 1 0 0
–   ECE X22507+28
−28
(−74)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
−5
0 = 1 0 0 1 1 1 1 =
–   WyldChess 1.1 64-bit2505+31
−31
(−76)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+209
= 1 1 1 1 = 1 1
–   CyberPagno 3.0 64-bit2502+20
−20
(−79)8 − 2
(+6−0=4)
80.0%
8.0 / 10
100.0%
+116
= 1 1 = 1 = 1 1 = 1
–   ECE X2497+32
−32
(−84)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+64
1 = 1 1 1 = = = = 1
–   Betsabe II 1.752496+28
−28
(−85)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+150
= 1 1 1 1 1 1 0 = 1
–   WyldChess 1.2 64-bit2472+30
−30
(−109)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+38
1 1 1 = 1 0 0 1
–   Schooner 1.7.0 64-bit2461+25
−25
(−120)5 − 5
(+3−3=4)
50.0%
5.0 / 10
100.0%
−120
0 0 1 1 0 = = = = 1
–   Counter 1.99 64-bit2459+32
−32
(−122)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
100.0%
−56
0 1 = 1 0 1
–   Bagatur 1.4e 64-bit2450+30
−30
(−131)8.5 − 1.5
(+8−1=1)
85.0%
8.5 / 10
100.0%
+175
0 1 1 1 1 1 1 1 = 1
–   Nemeton 1.512443+23
−23
(−138)2 − 4
(+0−2=4)
33.3%
2.0 / 6
100.0%
−227
= = 0 0 = =

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#131-1322576359itself
32-bit    10nothing
32-bit 1-2-CPU    10nothing
32-bit single-CPU    10nothing
All#1292576369itself
Free#1112580369itself
Free 1-2-CPU#119-1202577359itself
Free 32-bit    10nothing
Free 32-bit 1-2-CPU    10nothing
Free 32-bit single-CPU    10nothing
Free single-CPU#119-1202577359itself
Single-CPU#131-1322576359itself

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