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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Show each game results
Zahak 10.0 64-bit (3293+10
−10		)Quote
Author: Amanj Sherwany (Canada) Link: Homepage
This is one of the 8 Zahak versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   akimbo 1.0.0 64-bit3478+12
−12		(+185)13 − 47
(+0−34=26)
21.7%
13.0 / 60
0.0%
−10
–   SlowChess Blitz 2.8 64-bit3476+9
−9		(+183)4 − 16
(+0−12=8)		20.0%
4.0 / 20
0.0%
−28
–   rofChade 3.0 64-bit3467+7
−7		(+174)15.5 − 36.5
(+0−21=31)
29.8%
15.5 / 52
0.0%
+44
–   Clarity 6.0.0 64-bit3461+15
−15		(+168)14.5 − 45.5
(+0−31=29)
24.2%
14.5 / 60
0.0%
−5
–   Willow 4.0 64-bit3451+17
−17		(+158)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−76
–   Seer 2.5.0 64-bit3445+9
−9		(+152)4.5 − 15.5
(+0−11=9)		22.5%
4.5 / 20
0.0%
−36
–   Arasan 23.4 64-bit3427+9
−9		(+134)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−32
–   RubiChess 2.2 64-bit3422+10
−10		(+129)5.5 − 14.5
(+1−10=9)		27.5%
5.5 / 20
0.0%
−26
–   Rebel 15.1 64-bit3421+11
−11		(+128)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+128
–   Igel 3.1.0 64-bit3412+10
−10		(+119)10.5 − 25.5
(+0−15=21)
29.2%
10.5 / 36
0.0%
−16
–   Revenge 1.0 64-bit3410+10
−10		(+117)7.5 − 12.5
(+1−6=13)		37.5%
7.5 / 20
0.0%
+35
–   Koivisto 6.0 64-bit3409+11
−11		(+116)5 − 15
(+1−11=8)		25.0%
5.0 / 20
0.0%
−63
–   Minic 3.22 64-bit3405+13
−13		(+112)7.5 − 12.5
(+1−6=13)		37.5%
7.5 / 20
0.0%
+28
–   Arasan 23.3 64-bit3405+10
−10		(+112)6 − 14
(+1−9=10)		30.0%
6.0 / 20
0.0%
−22
–   Booot 7.1 64-bit3403+13
−13		(+110)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+110
–   Minic 3.24 64-bit3401+11
−11		(+108)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+36
–   Igel 3.0.5 64-bit3396+8
−8		(+103)6.5 − 13.5
(+0−7=13)		32.5%
6.5 / 20
0.0%
−7
–   Minic 3.19 64-bit3392+19
−19		(+99)6 − 17
(+0−11=12)		26.1%
6.0 / 23
0.0%
−58
–   Uralochka 3.37c 64-bit3391+14
−14		(+98)4.5 − 7.5
(+1−4=7)		37.5%
4.5 / 12
0.0%
+20
–   Fire 8 64-bit3389+8
−8		(+96)6.5 − 13.5
(+2−9=9)		32.5%
6.5 / 20
0.0%
−26
–   Caissa 1.5 64-bit3388+16
−16		(+95)2 − 2
(+2−2=0)		50.0%
2.0 / 4
0.0%
+94
–   Devre 4.0 64-bit3387+11
−11		(+94)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
–   Black Marlin 7.0 64-bit3386+10
−10		(+93)5.5 − 6.5
(+0−1=11)		45.8%
5.5 / 12
0.0%
+71
–   Pedone 3.1 64-bit3384+9
−9		(+91)8.5 − 11.5
(+3−6=11)		42.5%
8.5 / 20
0.0%
+39
–   chess.cpp 4.0 64-bit3384+13
−13		(+91)3 − 5
(+0−2=6)		37.5%
3.0 / 8
0.0%
+19
–   BlackCore 6.0 64-bit3381+11
−11		(+88)8 − 20
(+2−14=12)		28.6%
8.0 / 28
0.0%
−63
–   Wasp 6.00 64-bit3381+11
−11		(+88)11.5 − 20.5
(+0−9=23)
35.9%
11.5 / 32
0.0%
+3
–   Caissa 1.4 64-bit3380+14
−14		(+87)2 − 3
(+1−2=2)		40.0%
2.0 / 5
0.0%
+22
–   Halogen 11 64-bit3380+9
−9		(+87)2 − 3
(+0−1=4)		40.0%
2.0 / 5
0.0%
+39
–   Fire 8.2 64-bit3378+16
−16		(+85)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+96
–   Ethereal 12.75 64-bit3378+9
−9		(+85)8.5 − 11.5
(+1−4=15)		42.5%
8.5 / 20
0.0%
+42
–   Saturn 1.3 64-bit3373+14
−14		(+80)20.5 − 37.5
(+2−19=37)
35.3%
20.5 / 58
0.0%
−9
–   Viridithas 8.1.0 64-bit3373+18
−18		(+80)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+8
–   Marvin 6.1.0 64-bit3368+11
−11		(+75)7.5 − 14.5
(+0−7=15)		34.1%
7.5 / 22
0.0%
−23
–   Rebel 15x2 64-bit3365+15
−15		(+72)8.5 − 13.5
(+0−5=17)		38.6%
8.5 / 22
0.0%
+4
–   Nemorino 6.05 64-bit3363+9
−9		(+70)11 − 14
(+4−7=14)		44.0%
11.0 / 25
0.0%
+30
–   Caissa 1.2 64-bit3361+18
−18		(+68)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
−3
–   Booot 7.0 64-bit3361+13
−13		(+68)4 − 8
(+0−4=8)		33.3%
4.0 / 12
0.0%
−35
–   Velvet 5.0.0 64-bit3360+16
−16		(+67)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
−10
–   Clover 3.1 64-bit3357+12
−12		(+64)9.5 − 9.5
(+2−2=15)		50.0%
9.5 / 19
0.0%
+68
–   Tucano 10.00 64-bit3355+9
−9		(+62)14.5 − 20.5
(+3−9=23)
41.4%
14.5 / 35
0.0%
+8
–   StockDory Starfish 0.1 64-bit3354+12
−12		(+61)4.5 − 4.5
(+1−1=7)		50.0%
4.5 / 9
0.0%
+60
–   Caissa 1.1 64-bit3353+18
−18		(+60)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+22
–   Devre 3.0 64-bit3352+15
−15		(+59)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.0%
+59
–   Velvet 4.1.0 64-bit3351+13
−13		(+58)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
0.0%
+14
–   Avalanche 2.1.0 64-bit3345+12
−12		(+52)3 − 5
(+0−2=6)		37.5%
3.0 / 8
0.0%
−22
–   Rebel 15 64-bit3343+16
−16		(+50)7 − 13
(+2−8=10)		35.0%
7.0 / 20
0.0%
−51
–   Molybdenum 3.1 64-bit3343+22
−22		(+50)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+151
–   Tucano 11.00 64-bit3343+12
−12		(+50)2 − 6
(+0−4=4)		25.0%
2.0 / 8
0.0%
−116
–   Willow 3.1 64-bit3341+10
−10		(+48)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.0%
−117
–   Uralochka 3.36c 64-bit3339+16
−16		(+46)13 − 17
(+5−9=16)
43.3%
13.0 / 30
0.0%
+4
–   Expositor 4WR02 64-bit3338+14
−14		(+45)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−117
–   akimbo 0.6.0 64-bit3337+14
−14		(+44)3 − 3
(+1−1=4)		50.0%
3.0 / 6
0.0%
+44
–   Booot 7.0-beta 64-bit3337+14
−14		(+44)2.5 − 5.5
(+0−3=5)		31.3%
2.5 / 8
0.0%
−75
–   BlackCore 5.1 64-bit3336+18
−18		(+43)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.0%
+43
–   Counter 5.5 64-bit3330+14
−14		(+37)3 − 5
(+0−2=6)		37.5%
3.0 / 8
0.0%
−40
–   Lc0 0.28.2 w752187 64-bit3328+17
−17		(+35)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
0.0%
+72
–   Cheng 4.46 64-bit3327+18
−18		(+34)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.1%
−50
–   Winter 3.0 64-bit3327+14
−14		(+34)8 − 4
(+4−0=8)		66.7%
8.0 / 12
0.0%
+139
–   Wasp 5.50 64-bit3326+15
−15		(+33)4 − 3
(+2−1=4)		57.1%
4.0 / 7
0.0%
+88
–   Rice 6.0 64-bit3324+17
−17		(+31)3 − 5
(+0−2=6)		37.5%
3.0 / 8
0.1%
−43
–   Alexandria 3.5 64-bit3323+14
−14		(+30)8.5 − 9.5
(+0−1=17)		47.2%
8.5 / 18
0.0%
+15
–   Mr Bob 1.3.0 64-bit3322+13
−13		(+29)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
−42
–   Midnight 8 64-bit3321+16
−16		(+28)7.5 − 6.5
(+3−2=9)		53.6%
7.5 / 14
0.1%
+49
–   Reckless 0.6.0 64-bit3318+15
−15		(+25)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.4%
+25
–   Velvet 4.0.0 64-bit3316+18
−18		(+23)3.5 − 4.5
(+2−3=3)		43.8%
3.5 / 8
1.3%
−27
–   Devre 5.0 64-bit3314+13
−13		(+21)3.5 − 4.5
(+0−1=7)		43.8%
3.5 / 8
0.4%
−16
–   Booot 6.5 64-bit3313+9
−9		(+20)9 − 11
(+2−4=14)		45.0%
9.0 / 20
0.2%
−9
–   Avalanche 2.0.0 64-bit3312+15
−15		(+19)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
1.9%
−58
–   StockDory 06072023 64-bit3310+18
−18		(+17)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
5.5%
+94
–   Viridithas 7.0.0 64-bit3310+17
−17		(+17)2 − 4
(+0−2=4)		33.3%
2.0 / 6
4.1%
−86
–   Black Marlin 6.0 64-bit3309+17
−17		(+16)8 − 12
(+1−5=14)		40.0%
8.0 / 20
5.2%
−43
–   Texel 1.09 64-bit3308+17
−17		(+15)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
7.6%
−79
–   Counter 5.0 64-bit3307+11
−11		(+14)37 − 35
(+13−11=48)
51.4%
37.0 / 72
2.5%
+25
–   Stash 35.0 64-bit3306+14
−14		(+13)8 − 8
(+2−2=12)		50.0%
8.0 / 16
6.1%
+12
–   Tenax 0.7.9 64-bit3303+14
−14		(+10)10 − 8
(+7−5=6)		55.6%
10.0 / 18
12.8%
+54
–   Xiphos 0.6 64-bit3303+7
−7		(+10)10.5 − 15.5
(+4−9=13)		40.4%
10.5 / 26
4.6%
−55
–   Caissa 0.9 64-bit3300+19
−19		(+7)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
25.4%
+299
–   Komodo 9.42 64-bit3299+16
−16		(+6)8.5 − 11.5
(+6−9=5)		42.5%
8.5 / 20
26.5%
−52
–   HIARCS 15.2 64-bit3296+16
−16		(+3)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
41.1%
−99
–   Marvin 6.0.0 64-bit3295+15
−15		(+2)4.5 − 4.5
(+2−2=5)		50.0%
4.5 / 9
42.7%
+2
–   Little Goliath Evolution 3.16 64-bit3295+14
−14		(+2)15.5 − 10.5
(+9−4=13)		59.6%
15.5 / 26
42.3%
+68
–   Mantissa 3.7.2 64-bit3294+10
−10		(+1)49 − 41
(+19−11=60)
54.4%
49.0 / 90
49.7%
+32
–   Velvet 3.3.0 64-bit3290+15
−15		(−3)9.5 − 8.5
(+3−2=13)		52.8%
9.5 / 18
66.0%
+15
–   Little Goliath Evolution 3.17 64-bit3287+9
−9		(−6)19 − 17
(+11−9=16)
52.8%
19.0 / 36
84.2%
+15
–   HIARCS 15.3.1 64-bit3286+17
−17		(−7)3 − 1
(+2−0=2)		75.0%
3.0 / 4
77.7%
+159
–   Uralochka 3.35a 64-bit3286+19
−19		(−7)7 − 11
(+2−6=10)		38.9%
7.0 / 18
76.7%
−80
–   Smallbrain 6.0 64-bit3284+15
−15		(−9)8 − 8
(+4−4=8)		50.0%
8.0 / 16
85.3%
−6
–   Peacekeeper 2.00 64-bit3284+12
−12		(−9)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
89.2%
−86
–   pawn 1.0 64-bit3280+14
−14		(−13)16.5 − 11.5
(+10−5=13)		58.9%
16.5 / 28
93.9%
+56
–   Stockfish 6 64-bit3279+11
−11		(−14)10 − 10
(+3−3=14)		50.0%
10.0 / 20
97.8%
−14
–   Caissa 0.8 64-bit3278+17
−17		(−15)10.5 − 7.5
(+5−2=11)		58.3%
10.5 / 18
93.9%
+39
–   Frozenight 6.0.0 64-bit3278+10
−10		(−15)36 − 42
(+10−16=52)
46.2%
36.0 / 78
98.8%
−37
–   Expositor 2BR17 64-bit3273+11
−11		(−20)40.5 − 37.5
(+16−13=49)
51.9%
40.5 / 78
99.8%
−5
–   Stash 34.0 64-bit3273+12
−12		(−20)22 − 22
(+9−9=26)
50.0%
22.0 / 44
99.6%
−20
–   Minic 3.16 64-bit3268+17
−17		(−25)10 − 10
(+4−4=12)		50.0%
10.0 / 20
99.5%
−22
–   Weiss 2.0 64-bit3267+10
−10		(−26)27.5 − 21.5
(+13−7=29)
56.1%
27.5 / 49
100.0%
+18
–   Nalwald 18 64-bit3259+13
−13		(−34)11.5 − 8.5
(+5−2=13)		57.5%
11.5 / 20
100.0%
+16
–   HIARCS 15.0 64-bit3257+13
−13		(−36)22.5 − 19.5
(+11−8=23)
53.6%
22.5 / 42
100.0%
−10
–   Laser 1.7 64-bit3256+6
−6		(−37)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−37
–   Velvet 3.2.0 64-bit3252+18
−18		(−41)10 − 10
(+4−4=12)		50.0%
10.0 / 20
100.0%
−41
–   Combusken 2.0.0 64-bit3252+10
−10		(−41)23 − 22
(+9−8=28)
51.1%
23.0 / 45
100.0%
−32
–   DanaSah 9.1 64-bit3251+10
−10		(−42)7.5 − 4.5
(+3−0=9)		62.5%
7.5 / 12
100.0%
+29
–   Schooner 2.2 64-bit3250+7
−7		(−43)4 − 4
(+2−2=4)		50.0%
4.0 / 8
100.0%
−37
–   Drofa 4.1.0 64-bit3249+14
−14		(−44)6 − 6
(+2−2=8)		50.0%
6.0 / 12
100.0%
−37
–   Shredder 13 64-bit3247+6
−6		(−46)7 − 3
(+5−1=4)		70.0%
7.0 / 10
100.0%
+98
–   StockNemo 5.7.0.0 64-bit3246+12
−12		(−47)6.5 − 5.5
(+2−1=9)		54.2%
6.5 / 12
100.0%
−17
–   Stash 33.0 64-bit3246+14
−14		(−47)6.5 − 5.5
(+2−1=9)		54.2%
6.5 / 12
100.0%
−13
–   Avalanche 1.5.0 64-bit3246+16
−16		(−47)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
+30
–   Marvin 5.2.0 64-bit3243+14
−14		(−50)2 − 1
(+1−0=2)		66.7%
2.0 / 3
100.0%
+44
–   Svart 6 64-bit3242+12
−12		(−51)5.5 − 6.5
(+1−2=9)		45.8%
5.5 / 12
100.0%
−78
–   Alexandria 2.4 64-bit3238+17
−17		(−55)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−132
–   Alexandria 3.1.0 64-bit3236+16
−16		(−57)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+113
–   Chiron 5 64-bit3235+11
−11		(−58)13.5 − 10.5
(+7−4=13)		56.3%
13.5 / 24
100.0%
−12
–   Drofa 4.0.0 64-bit3234+14
−14		(−59)4 − 4
(+2−2=4)		50.0%
4.0 / 8
100.0%
−59
–   BlackCore 5.0 64-bit3233+19
−19		(−60)19.5 − 12.5
(+11−4=17)
60.9%
19.5 / 32
100.0%
+15
–   DanaSah 9.0 64-bit3231+12
−12		(−62)21.5 − 14.5
(+11−4=21)
59.7%
21.5 / 36
100.0%
+4
–   Winter 2.0 64-bit3230+13
−13		(−63)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−140
–   RukChess 3.0.18 64-bit3230+16
−16		(−63)8.5 − 3.5
(+6−1=5)		70.8%
8.5 / 12
100.0%
+82
–   Black Marlin 5.0 64-bit3229+17
−17		(−64)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Svart 5 64-bit3225+16
−16		(−68)5 − 5
(+1−1=8)		50.0%
5.0 / 10
100.0%
−64
–   Leorik 3.0 64-bit3222+14
−14		(−71)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+221
–   Willow 3.0 64-bit3214+18
−18		(−79)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−241
–   Dark Toga 1.1 64-bit3213+10
−10		(−80)5.5 − 5.5
(+2−2=7)		50.0%
5.5 / 11
100.0%
−72
–   Little Goliath Evolution 3.15.4 64-bit3213+13
−13		(−80)5.5 − 6.5
(+2−3=7)		45.8%
5.5 / 12
100.0%
−105
–   Expositor 2WN29 64-bit3203+15
−15		(−90)17.5 − 12.5
(+10−5=15)
58.3%
17.5 / 30
100.0%
−27
–   Jet 1.2 64-bit3189+14
−14		(−104)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−26
–   Drofa 3.3.0 64-bit3172+15
−15		(−121)16 − 4
(+12−0=8)		80.0%
16.0 / 20
100.0%
+90
–   Orion 0.9 64-bit3170+11
−11		(−123)13.5 − 6.5
(+10−3=7)		67.5%
13.5 / 20
100.0%
+14
–   Lc0 0.27.0 w703810 64-bit3167+22
−22		(−126)12.5 − 7.5
(+7−2=11)		62.5%
12.5 / 20
100.0%
−38
–   ChessBrainVB 4.023166+15
−15		(−127)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−24
–   Demolito 2021-10-04 64-bit3156+11
−11		(−137)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−65
–   Roc 1.9.1 64-bit3150+14
−14		(−143)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+149
–   Vajolet2 2.8 64-bit3145+10
−10		(−148)13.5 − 6.5
(+10−3=7)		67.5%
13.5 / 20
100.0%
−16
–   Counter 4.0 64-bit3133+15
−15		(−160)16.5 − 3.5
(+13−0=7)		82.5%
16.5 / 20
100.0%
+75
–   Houdini 1.5a 32-bit3124+9
−9		(−169)14.5 − 5.5
(+10−1=9)		72.5%
14.5 / 20
100.0%
−11
–   Atlas 4.35 64-bit3118+12
−12		(−175)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+115
2352 games: 407 wins, 583 losses, 1362 draws (57.9%), score: 46.3%

Rating changes by day

Rating changes with played games

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