CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

Options
Show each game results
K2 0.79 (2413+25
−25		)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 11 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   GreKo 2015 64-bit2600+19
−19		(+187)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
+93
–   GreKo 13.1 64-bit2557+25
−25		(+144)0 − 8
(+0−8=0)		0.0%
0.0 / 8
0.0%
−INF
–   Capivara LK 0.09b02f 64-bit2555+14
−14		(+142)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
0.0%
−123
–   SOS 5.12551+11
−11		(+138)2 − 6
(+1−5=2)		25.0%
2.0 / 8
0.0%
−55
–   JikChess 0.02 64-bit2545+13
−13		(+132)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+92
–   Arasan 12.0 64-bit2543+19
−19		(+130)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
0.0%
−6
–   Maverick 1.5 64-bit2523+10
−10		(+110)3 − 1
(+3−1=0)		75.0%
3.0 / 4
0.0%
+343
–   Phalanx XXIV2521+17
−17		(+108)3 − 7
(+2−6=2)		30.0%
3.0 / 10
0.0%
−63
–   nanoSzachy 4.1 64-bit2517+14
−14		(+104)4 − 8
(+1−5=6)		33.3%
4.0 / 12
0.0%
−11
–   Fridolin 2.00 64-bit2514+13
−13		(+101)6 − 10
(+4−8=4)		37.5%
6.0 / 16
0.0%
−2
–   Donna 3.1 64-bit2500+24
−24		(+87)1.5 − 8.5
(+0−7=3)		15.0%
1.5 / 10
0.0%
−172
–   Crafty 20.14 32-bit2498+23
−23		(+85)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+34
–   Tao 5.62480+14
−14		(+67)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+67
–   LittleThought 1.052 64-bit2479+13
−13		(+66)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+236
–   Pupsi2 0.092476+14
−14		(+63)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Delphil 3.2 64-bit2473+11
−11		(+60)6 − 6
(+5−5=2)		50.0%
6.0 / 12
0.0%
+60
–   Pepito 1.59.2 64-bit2472+14
−14		(+59)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+229
–   Zurichess Geneva 64-bit2464+23
−23		(+51)3.5 − 10.5
(+1−8=5)		25.0%
3.5 / 14
0.1%
−128
–   KnightX 1.97a 64-bit2463+22
−22		(+50)2 − 4
(+2−4=0)		33.3%
2.0 / 6
0.2%
−115
–   Ghost 2.0.2 64-bit2463+15
−15		(+50)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
0.0%
+16
–   Xpdnt 0910072460+13
−13		(+47)1 − 1
(+1−1=0)		50.0%
1.0 / 2
0.1%
+47
–   Yace 0.99.872458+13
−13		(+45)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.1%
+45
–   Matacz 1.32453+22
−22		(+40)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
0.9%
+90
–   Trace 1.37a2451+15
−15		(+38)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.5%
−14
–   Shield 1.2 64-bit2447+22
−22		(+34)0 − 2
(+0−2=0)		0.0%
0.0 / 2
2.3%
−INF
–   Carballo 1.32444+21
−21		(+31)5 − 5
(+3−3=4)		50.0%
5.0 / 10
3.1%
+31
–   Quark 2.352442+15
−15		(+29)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
2.5%
+190
–   Bumblebee 1.0 64-bit2439+17
−17		(+26)1 − 1
(+1−1=0)		50.0%
1.0 / 2
4.9%
+25
–   Giraffe 20150908 64-bit2436+16
−16		(+23)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
5.9%
−12
–   Betsabe II 1.472418+17
−17		(+5)7 − 11
(+6−10=2)		38.9%
7.0 / 18
38.0%
−95
–   Abrok 5.02416+15
−15		(+3)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
43.4%
−42
–   Typhoon 1.00-3482415+22
−22		(+2)3 − 5
(+1−3=4)		37.5%
3.0 / 8
44.8%
−82
–   TJchess 1.3 64-bit2406+15
−15		(−7)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
69.4%
+282
–   Gaia 3.5 64-bit2400+15
−15		(−13)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
81.8%
+32
–   Ares 1.005 64-bit2393+16
−16		(−20)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
91.3%
+34
–   Bitfoot 1.0.d9aeb43 64-bit2392+21
−21		(−21)12 − 4
(+10−2=4)		75.0%
12.0 / 16
90.0%
+174
–   Cmcchess 2.6 64-bit2389+15
−15		(−24)7.5 − 10.5
(+4−7=7)		41.7%
7.5 / 18
95.5%
−89
–   Shallow r688 64-bit2384+16
−16		(−29)5 − 3
(+4−2=2)		62.5%
5.0 / 8
97.5%
+73
–   Ares 1.005.2 64-bit2381+15
−15		(−32)4 − 2
(+2−0=4)		66.7%
4.0 / 6
98.5%
+71
–   Simplex 0.9.8 64-bit2373+14
−14		(−40)5 − 3
(+4−2=2)		62.5%
5.0 / 8
99.7%
+62
–   Giraffe 20150828 64-bit2369+24
−24		(−44)5 − 3
(+3−1=4)		62.5%
5.0 / 8
99.5%
+44
–   Lozza 1.16 64-bit2367+22
−22		(−46)13 − 5
(+10−2=6)		72.2%
13.0 / 18
99.7%
+122
–   Tigran 2.4n 64-bit2366+13
−13		(−47)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
100.0%
+3
–   Myrddin 0.87 64-bit2365+11
−11		(−48)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
100.0%
−131
–   Waxman 20142359+18
−18		(−54)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−65
–   Shield 1.1 64-bit2339+24
−24		(−74)5 − 5
(+4−4=2)		50.0%
5.0 / 10
100.0%
−79
–   MadChess 2.0 64-bit2335+19
−19		(−78)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−172
–   Waxman 20152319+21
−21		(−94)9.5 − 4.5
(+7−2=5)		67.9%
9.5 / 14
100.0%
+40
–   CyberPagno 2.3 64-bit2306+23
−23		(−107)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−29
–   Jazz 840 64-bit2303+13
−13		(−110)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−15
–   Gibbon 2.69a 64-bit2284+16
−16		(−129)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+37
–   Fischerle 0.9.65 64-bit2247+25
−25		(−166)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
402 games: 129 wins, 150 losses, 123 draws (30.6%), score: 47.4%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on November 16, 2024