CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Engine Details

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Koivisto 4.0 64-bit#51‑52  (3069+21
−21
)Quote
Authors: Kim Kahre (Finland) , Finn Eggers (Germany), Eugenio Bruno (Italy) Link: Homepage
This is one of the 2 Koivisto versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Schooner 2.2 64-bit3203+10
−10
(+134)4.5 − 11.5
(+1−8=7)
28.1%
4.5 / 16
0.0%
−5
0 0 = 0 = 0 0 = = 0 = 0 = 0 1 =
–   Defenchess 2.2 64-bit3203+9
−10
(+134)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
+22
0 = = 0 = = = 0 0 = 0 0 = 0 1 =
–   RubiChess 1.8 64-bit3188+20
−20
(+119)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
+5
1 0 = = 0 = = 0 = = 0 0 = 0 = 0
–   Wasp 4.50 64-bit3159+26
−26
(+90)9.5 − 10.5
(+5−6=9)
47.5%
9.5 / 20
0.0%
+71
= 0 1 0 = 1 = = 1 0 0 1 = 0 = = 0 = 1 =
–   Arasan 22.2 64-bit3156+25
−25
(+87)4 − 16
(+3−15=2)
20.0%
4.0 / 20
0.0%
−165
0 0 0 0 = 0 0 0 0 1 0 0 0 0 1 0 1 = 0 0
–   NirvanaChess 2.5 64-bit3130+20
−20
(+61)10 − 14
(+2−6=16)
41.7%
10.0 / 24
0.0%
+16
1 = = = 0 = 0 0 = = 0 = = = = = = 1 = 0 = = 0 =
–   Laser 1.6 64-bit3130+10
−11
(+61)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.0%
+41
= = 0 = = 1 = 1 = 0 = = = = = 0
–   Winter 0.9 64-bit3126+18
−18
(+57)8.5 − 11.5
(+2−5=13)
42.5%
8.5 / 20
0.0%
+17
0 0 = = = = = = = 0 = = 0 1 = 1 = 0 = =
–   Orion 0.8 64-bit3121+22
−22
(+52)15.5 − 14.5
(+8−7=15)
51.7%
15.5 / 30
0.0%
+62
0 = = 1 = 0 1 1 = = 1 1 0 1 = 0 0 0 = = 0 = = = 1 = = 1 = =
–   Gull 3 64-bit3119+7
−7
(+50)7 − 9
(+5−7=4)
43.8%
7.0 / 16
0.0%
+6
1 0 1 0 = = 0 1 1 0 0 = 1 0 = 0
–   Roc 0.7 64-bit3115+10
−10
(+46)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Combusken 1.4.0 64-bit3112+21
−21
(+43)13 − 21
(+6−14=14)
38.2%
13.0 / 34
0.2%
−31
= 0 0 = 1 0 = = 0 0 = 0 = 0 = 0 0 = 1 = = 0 = = 1 = 0 1 1 0 = 0 1 0
–   Andscacs 0.88 64-bit3111+15
−14
(+42)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.1%
+26
0 = = = = = = 1 = = 0 = = 0 1 =
–   Halogen 9 64-bit3110+22
−22
(+41)8 − 16
(+1−9=14)
33.3%
8.0 / 24
0.4%
−53
= 0 1 0 = 0 = = = 0 0 = = = = 0 0 = = = = = 0 0
–   Marvin 5.0.0 64-bit3105+24
−24
(+36)6.5 − 9.5
(+2−5=9)
40.6%
6.5 / 16
1.3%
−18
= 1 = = 1 = 0 0 = 0 0 0 = = = =
–   Vajolet2 2.8 64-bit3100+15
−15
(+31)2 − 2
(+0−0=4)
50.0%
2.0 / 4
1.1%
+31
= = = =
–   Beef 0.3.6 64-bit3098+27
−27
(+29)5 − 11
(+0−6=10)
31.3%
5.0 / 16
4.9%
−75
= 0 = = = 0 = 0 0 = = = 0 0 = =
–   Fritz 15 64-bit3093+10
−10
(+24)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
2.4%
+3
= = = 0 = 0 1 1 = = 1 0 0 0 1 =
–   chess22k 1.14 64-bit3078+17
−17
(+9)3 − 5
(+0−2=6)
37.5%
3.0 / 8
26.8%
−54
0 0 = = = = = =
–   Wasp 4.0 64-bit3077+19
−19
(+8)9 − 11
(+3−5=12)
45.0%
9.0 / 20
29.2%
−21
= = = = 1 = 1 = = 0 = = = 0 0 = 1 0 = 0
–   Toga III 0.2 64-bit3076+44
−43
(+7)3.5 − 4.5
(+1−2=5)
43.8%
3.5 / 8
39.2%
−28
1 0 0 = = = = =
–   ChessBrainVB 3.743065+15
−15
(−4)5 − 3
(+3−1=4)
62.5%
5.0 / 8
61.7%
+65
= = 1 = 1 1 = 0
–   iCE 4.0 64-bit3061+15
−15
(−8)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
72.5%
−100
1 0 0 =
–   Seer 1.2.1 64-bit3056+24
−24
(−13)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
79.4%
+105
= 0 1 1 1 = = 1
–   Minic 2.46 64-bit3054+22
−22
(−15)9.5 − 6.5
(+6−3=7)
59.4%
9.5 / 16
83.9%
+46
1 = 0 = 0 1 = = 1 = 1 0 = 1 1 =
–   Marvin 4.0.0 64-bit3050+22
−22
(−19)9.5 − 11.5
(+6−8=7)
45.2%
9.5 / 21
89.7%
−54
0 = = 0 1 0 1 1 0 = 1 0 0 0 1 = = = 1 0 =
–   Minic 3.03 64-bit3048+26
−26
(−21)13 − 11
(+6−4=14)
54.2%
13.0 / 24
90.2%
+3
1 0 = 0 = = 1 = 1 = 1 = = = = 1 1 = 0 = = = = 0
–   Rybka 3 64-bit3047+11
−11
(−22)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
96.4%
+39
= 1 = = 1 0 1 = 1 0 1 1 = 0 1 0
–   Fat Fritz Junior w510 64-bit3030+26
−26
(−39)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.0%
+28
1 = 0 0 = = 1 1 1 0 1 1 0 = 1 =
–   Critter 1.01 32-bit3019+18
−18
(−50)8.5 − 7.5
(+4−3=9)
53.1%
8.5 / 16
100.0%
−31
1 1 = = = = = 0 0 = 1 = = 0 1 =
–   Pirarucu 3.3.5 64-bit3016+17
−17
(−53)10.5 − 5.5
(+6−1=9)
65.6%
10.5 / 16
100.0%
+32
1 = 1 1 = 1 = 0 = = = 1 = = = 1
–   Topple 0.8.0 64-bit3010+24
−24
(−59)5 − 3
(+3−1=4)
62.5%
5.0 / 8
100.0%
+14
= 1 1 0 = = = 1
–   Komodo 2.03 32-bit3006+16
−16
(−63)10 − 6
(+5−1=10)
62.5%
10.0 / 16
100.0%
+5
= = 1 = = = = = = 1 0 1 = = 1 1
–   Monolith 2 64-bit3004+17
−17
(−65)14 − 10
(+7−3=14)
58.3%
14.0 / 24
100.0%
−17
= 1 = = = = 1 = = = 1 = 1 = = 0 = 1 = = 0 1 1 0
–   Stockfish 1.9.1 32-bit3000+16
−16
(−69)11.5 − 4.5
(+8−1=7)
71.9%
11.5 / 16
100.0%
+68
= = 1 = 1 1 1 = = 0 1 1 1 1 = =
–   Rodent IV 0.30 64-bit2993+33
−33
(−76)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+73
1 = = 1
–   Stash 27.0 64-bit2990+29
−29
(−79)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−79
= = = =
–   Amoeba 3.2 64-bit2989+20
−20
(−80)13 − 7
(+8−2=10)
65.0%
13.0 / 20
100.0%
+8
= = 1 = 1 1 1 = = = 0 1 = 0 = 1 = = 1 1
–   FabChess 1.16 64-bit2986+20
−20
(−83)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+67
1 = 1 =
–   Weiss 1.2 64-bit2982+17
−17
(−87)9.5 − 6.5
(+5−2=9)
59.4%
9.5 / 16
100.0%
−33
= = = 1 1 = = = 1 = 1 0 = 0 1 =
–   Deuterium 2019.2.37.73 64-bit2981+15
−15
(−88)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−5
1 1 0 =
–   Cheng 4.40 64-bit2957+18
−18
(−112)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−179
= 0 = =
–   Tucano 9.00 64-bit2927+22
−22
(−142)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−46
1 = 0 1
–   Dirty CUCUMBER 64-bit2917+12
−12
(−152)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−1
= 1 1 =
–   Francesca MAD 0.29 64-bit2913+21
−21
(−156)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+133
1 = 1 1
–   Asymptote 0.8 64-bit2909+19
−19
(−160)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+129
= 1 1 1
–   Stash 23.0 64-bit2881+28
−28
(−188)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−120
= = = 1
–   The Baron 3.44 64-bit2866+12
−12
(−203)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+24
1 0 1 1
–   Mr Bob 0.9.0 64-bit2838+23
−23
(−231)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−138
1 0 1 =
–   Cheese 2.2 64-bit2835+22
−22
(−234)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+55
= 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on March 6, 2021