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

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K2 0.75 (2472+20
−20		)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 11 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ChessBrainVB 2.052666+20
−20		(+194)2 − 4
(+0−2=4)		33.3%
2.0 / 6
0.0%
+90
–   Laser 0.2.1 64-bit2642+19
−19		(+170)1.5 − 6.5
(+0−5=3)		18.8%
1.5 / 8
0.0%
−51
–   Sjakk 2.2 64-bit2626+13
−13		(+154)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   NoraGrace 2.0 64-bit2616+12
−12		(+144)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−26
–   Arminius 2015-08-06 64-bit2596+17
−17		(+124)3.5 − 8.5
(+2−7=3)		29.2%
3.5 / 12
0.0%
−47
–   Donna 4.0 64-bit2595+13
−13		(+123)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+72
–   GreKo 12.8 64-bit2587+24
−24		(+115)3.5 − 8.5
(+1−6=5)		29.2%
3.5 / 12
0.0%
−31
–   Brutus 8.05 64-bit2580+17
−17		(+108)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−62
–   GreKo 12.9 64-bit2571+24
−24		(+99)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−62
–   Jellyfish 1.1 64-bit2570+12
−12		(+98)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
0.0%
+67
–   Capivara LK 0.09b02f 64-bit2555+14
−14		(+83)3 − 5
(+3−5=0)		37.5%
3.0 / 8
0.0%
−33
–   Zurichess Glarus 64-bit2547+24
−24		(+75)2.5 − 3.5
(+2−3=1)		41.7%
2.5 / 6
0.0%
−2
–   JikChess 0.02 64-bit2545+13
−13		(+73)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
0.0%
+175
–   Arasan 12.0 64-bit2543+19
−19		(+71)6 − 4
(+4−2=4)		60.0%
6.0 / 10
0.0%
+145
–   Pirarucu 2.1.1 64-bit2532+23
−23		(+60)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
0.0%
+9
–   nanoSzachy 4.0 64-bit2527+14
−14		(+55)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−61
–   Maverick 1.5 64-bit2523+10
−10		(+51)6 − 5
(+4−3=4)		54.5%
6.0 / 11
0.0%
+90
–   Crafty 21.5 32-bit2523+27
−27		(+51)2.5 − 7.5
(+2−7=1)		25.0%
2.5 / 10
0.1%
−177
–   Phalanx XXIV2521+17
−17		(+49)2 − 3
(+0−1=4)		40.0%
2.0 / 5
0.0%
+1
–   nanoSzachy 4.1 64-bit2517+14
−14		(+45)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Fridolin 2.00 64-bit2514+13
−13		(+42)6 − 9
(+2−5=8)		40.0%
6.0 / 15
0.0%
−22
–   Donna 3.1 64-bit2500+24
−24		(+28)5 − 4
(+3−2=4)		55.6%
5.0 / 9
3.4%
+75
–   AnMon 5.602495+13
−13		(+23)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
2.5%
−14
–   Maverick 1.0 64-bit2491+22
−22		(+19)12 − 8
(+10−6=4)		60.0%
12.0 / 20
10.1%
+105
–   Arminius 2014-01-18 64-bit2483+21
−21		(+11)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
22.5%
+122
–   Hamsters 0.42481+24
−24		(+9)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
28.4%
+50
–   Tao 5.62480+14
−14		(+8)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
24.6%
−26
–   LittleThought 1.052 64-bit2479+13
−13		(+7)1 − 1
(+1−1=0)		50.0%
1.0 / 2
28.5%
+7
–   Pupsi2 0.092476+14
−14		(+4)1 − 1
(+1−1=0)		50.0%
1.0 / 2
35.3%
+4
–   Delphil 3.2 64-bit2473+11
−11		(+1)11 − 10
(+6−5=10)		52.4%
11.0 / 21
44.9%
+19
–   Pepito 1.59.2 64-bit2472+14
−14		(0)1 − 3
(+0−2=2)		25.0%
1.0 / 4
47.2%
−166
–   Green Light Chess 3.01.2.22468+21
−21		(−4)1.5 − 1.5
(+1−1=1)		50.0%
1.5 / 3
59.6%
+12
–   JikChess 0.01 64-bit2467+21
−21		(−5)10 − 12
(+7−9=6)		45.5%
10.0 / 22
62.5%
−42
–   Ghost 2.0.2 64-bit2463+15
−15		(−9)13.5 − 11.5
(+9−7=9)		54.0%
13.5 / 25
74.2%
+28
–   Xpdnt 0910072460+13
−13		(−12)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
82.5%
−182
–   Yace 0.99.872458+13
−13		(−14)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
87.8%
+20
–   Pawny 0.3.1 64-bit2451+20
−20		(−21)4 − 6
(+2−4=4)		40.0%
4.0 / 10
92.8%
−92
–   Shield 1.2 64-bit2447+22
−22		(−25)4 − 4
(+3−3=2)		50.0%
4.0 / 8
95.5%
−25
–   Carballo 1.32444+21
−21		(−28)5 − 7
(+3−5=4)		41.7%
5.0 / 12
97.3%
−91
–   Carballo 1.22444+19
−19		(−28)5 − 7
(+2−4=6)		41.7%
5.0 / 12
97.8%
−86
–   Donna 3.0 64-bit2442+26
−26		(−30)6.5 − 1.5
(+6−1=1)		81.3%
6.5 / 8
96.2%
+233
–   Quark 2.352442+15
−15		(−30)1 − 0
(+1−0=0)		100.0%
1.0 / 1
99.0%
+INF
–   Bumblebee 1.0 64-bit2439+17
−17		(−33)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
99.3%
−74
–   Giraffe 20150908 64-bit2436+16
−16		(−36)0 − 2
(+0−2=0)		0.0%
0.0 / 2
99.7%
−INF
–   Donna 2.1 64-bit2436+24
−24		(−36)16 − 14
(+10−8=12)
53.3%
16.0 / 30
99.1%
−9
–   Dorky 4.3 64-bit2425+24
−24		(−47)2 − 2
(+2−2=0)		50.0%
2.0 / 4
99.8%
−46
–   Betsabe II 1.472418+17
−17		(−54)11.5 − 10.5
(+8−7=7)		52.3%
11.5 / 22
100.0%
−36
–   Abrok 5.02416+15
−15		(−56)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
+18
–   Eeyore 1.52 64-bit2414+15
−15		(−58)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
+33
–   Zurichess Fribourg 64-bit2412+24
−24		(−60)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−59
–   Snitch 1.6.2 64-bit2408+18
−18		(−64)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−63
–   RedQueen 0.7.5 64-bit2404+26
−26		(−68)7 − 3
(+4−0=6)		70.0%
7.0 / 10
100.0%
+59
–   Gaia 3.5 64-bit2400+15
−15		(−72)8.5 − 3.5
(+7−2=3)		70.8%
8.5 / 12
100.0%
+101
–   Ares 1.005 64-bit2393+16
−16		(−79)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−79
–   Bitfoot 1.0.d9aeb43 64-bit2392+21
−21		(−80)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−80
–   Cmcchess 2.6 64-bit2389+15
−15		(−83)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+79
–   Shallow r688 64-bit2384+16
−16		(−88)8.5 − 7.5
(+7−6=3)		53.1%
8.5 / 16
100.0%
−61
–   Ares 1.005.2 64-bit2381+15
−15		(−91)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Simplex 0.9.8 64-bit2373+14
−14		(−99)9.5 − 2.5
(+8−1=3)		79.2%
9.5 / 12
100.0%
+126
–   RomiChess P3L 64-bit2371+20
−20		(−101)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−20
–   Tigran 2.4n 64-bit2366+13
−13		(−106)9.5 − 8.5
(+7−6=5)		52.8%
9.5 / 18
100.0%
−79
–   Myrddin 0.87 64-bit2365+11
−11		(−107)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
100.0%
−396
–   Waxman 20142359+18
−18		(−113)13.5 − 6.5
(+10−3=7)		67.5%
13.5 / 20
100.0%
+19
–   Alex 2.14a 64-bit2359+16
−16		(−113)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−38
–   OliThink 5.3.2 64-bit2341+15
−15		(−131)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
100.0%
−166
–   iCE 0.22336+16
−16		(−136)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+30
–   MadChess 2.0 64-bit2335+19
−19		(−137)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Plisk 0.2.7d 64-bit2333+15
−15		(−139)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
100.0%
+56
–   Lozza 1.15 64-bit2314+20
−20		(−158)7.5 − 2.5
(+5−0=5)		75.0%
7.5 / 10
100.0%
+9
–   Jazz 840 64-bit2303+13
−13		(−169)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+1
–   CyberPagno 2.2 64-bit2299+20
−20		(−173)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Gibbon 2.69a 64-bit2284+16
−16		(−188)9 − 1
(+9−1=0)		90.0%
9.0 / 10
100.0%
+217
–   Nemeton 1.22274+22
−22		(−198)3 − 3
(+1−1=4)		50.0%
3.0 / 6
100.0%
−198
–   Fischerle 0.9.65 64-bit2247+25
−25		(−225)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−63
–   FireFly 2.7.0 64-bit2245+15
−15		(−227)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−64
–   Orion 0.2 64-bit2236+18
−18		(−236)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−235
–   Protej 0.5.8c2211+17
−17		(−261)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
634 games: 228 wins, 198 losses, 208 draws (32.8%), score: 52.4%

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