CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Koivisto 4.0 64-bit#51  (3072+20
−20
)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-bit3201+10
−10
(+129)4.5 − 11.5
(+1−8=7)
28.1%
4.5 / 16
0.0%
−10
= 0 = 0 = 0 = 0 1 = 0 = = 0 0 0
–   Defenchess 2.2 64-bit3201+10
−9
(+129)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
+17
= = = 0 = 0 1 = 0 = 0 0 0 = = 0
–   RubiChess 1.8 64-bit3187+20
−20
(+115)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
+1
= = 0 = = 0 = 0 = 0 = = 0 0 1 0
–   Arasan 22.2 64-bit3158+23
−23
(+86)4 − 16
(+3−15=2)
20.0%
4.0 / 20
0.0%
−166
0 0 0 0 0 0 = 0 0 0 0 0 0 1 0 1 = 0 1 0
–   Wasp 4.50 64-bit3153+22
−22
(+81)9.5 − 10.5
(+5−6=9)
47.5%
9.5 / 20
0.0%
+62
= 0 = = 1 = 0 1 0 = 1 1 0 0 1 = 0 = = =
–   NirvanaChess 2.5 64-bit3131+19
−19
(+59)10 − 14
(+2−6=16)
41.7%
10.0 / 24
0.0%
+14
= = = 0 1 = = = 0 = 0 0 = = = = = = = 1 = 0 0 =
–   Laser 1.6 64-bit3128+11
−10
(+56)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.0%
+36
0 = = 1 = = = 0 = 1 = 0 = = = =
–   Winter 0.9 64-bit3126+17
−17
(+54)8.5 − 11.5
(+2−5=13)
42.5%
8.5 / 20
0.0%
+14
0 = = = 1 = = = = = = = 0 1 = = = 0 0 0
–   Orion 0.8 64-bit3122+20
−20
(+50)17.5 − 16.5
(+9−8=17)
51.5%
17.5 / 34
0.0%
+59
0 1 0 0 = = 0 = = = 1 = = 1 = = = = 0 = = 1 = 0 1 1 = = 1 1 0 1 = 0
–   Roc 1.7 64-bit3122+22
−22
(+50)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−32
= 1 0 0
–   Gull 3 64-bit3117+7
−7
(+45)7 − 9
(+5−7=4)
43.8%
7.0 / 16
0.0%
+1
= = 0 1 1 0 = 0 1 0 0 = 1 0 1 0
–   Roc 0.7 64-bit3113+10
−10
(+41)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Clover 2.2 64-bit3112+260
−239
(+40)1 − 0
(+1−0=0)
100.0%
1.0 / 1
38.2%
+INF
1
–   Marvin 5.0.0 64-bit3112+22
−22
(+40)9 − 11
(+3−5=12)
45.0%
9.0 / 20
0.3%
+12
0 = = = 0 = 0 0 1 = = 1 = 0 = = = = = 1
–   Halogen 9 64-bit3111+22
−22
(+39)8 − 16
(+1−9=14)
33.3%
8.0 / 24
0.4%
−55
= = 0 0 = = = = 0 0 = = = = = 0 0 = 0 1 0 = 0 =
–   Combusken 1.4.0 64-bit3110+19
−19
(+38)17 − 25
(+8−16=18)
40.5%
17.0 / 42
0.3%
−21
= = = 0 = = 1 = 0 1 1 0 = 0 1 0 = 0 = = 0 1 0 1 = 1 1 0 = = = 0 = 0 0 0 = 0 = 0 0 =
–   Andscacs 0.88 64-bit3109+15
−14
(+37)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.1%
+21
= = = 1 = 0 1 = = = 0 = 0 = = =
–   Demolito 2021-03-19 64-bit3105+84
−83
(+33)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
22.4%
+122
1 = 1 0
–   Vajolet2 2.8 64-bit3097+15
−15
(+25)6.5 − 5.5
(+3−2=7)
54.2%
6.5 / 12
2.3%
+46
1 1 = = = 0 = = = = 0 1
–   Beef 0.3.6 64-bit3096+27
−27
(+24)5 − 11
(+0−6=10)
31.3%
5.0 / 16
7.5%
−80
= 0 = 0 0 0 = = 0 = = = = 0 = =
–   Toga III 0.2 64-bit3095+23
−23
(+23)14.5 − 17.5
(+7−10=15)
45.3%
14.5 / 32
6.0%
−5
0 1 = = 0 = = = 1 = 0 = 0 0 0 0 1 1 = 0 1 = 1 = = = = = 0 0 1 =
–   Fritz 15 64-bit3092+9
−10
(+20)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
4.2%
0
= 0 1 1 0 0 1 = = = 1 0 = = = 0
–   Bagatur 2.2c 64-bit3081+269
−244
(+9)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
47.1%
+33
=
–   chess22k 1.14 64-bit3076+16
−16
(+4)4.5 − 7.5
(+0−3=9)
37.5%
4.5 / 12
38.8%
−60
0 = = = = = = = = = 0 0
–   Wasp 4.0 64-bit3076+19
−19
(+4)9 − 11
(+3−5=12)
45.0%
9.0 / 20
40.2%
−25
= 1 = = 0 = 1 0 = 0 1 0 = = = 0 = = = =
–   Weiss 1.3 64-bit3065+25
−25
(−7)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
67.0%
−74
0 = = =
–   ChessBrainVB 3.743065+14
−14
(−7)9 − 7
(+5−3=8)
56.3%
9.0 / 16
73.0%
+24
= 0 = 1 1 0 1 = 0 = 1 = = 1 = =
–   Stash 29.0 64-bit3064+22
−22
(−8)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
70.3%
+8
= 1 1 0 = = 0 0 1 1 = = = =
–   iCE 4.0 64-bit3058+15
−15
(−14)5 − 3
(+4−2=2)
62.5%
5.0 / 8
86.0%
+73
= 1 0 1 1 1 0 =
–   Seer 1.2.1 64-bit3053+22
−22
(−19)9.5 − 6.5
(+5−2=9)
59.4%
9.5 / 16
90.6%
+30
= = = 0 1 1 = 1 = 0 = = = = 1 1
–   Minic 2.46 64-bit3049+22
−22
(−23)9.5 − 6.5
(+6−3=7)
59.4%
9.5 / 16
93.7%
+38
0 = 0 1 = 1 1 = = = 1 = 1 0 1 =
–   Marvin 4.0.0 64-bit3049+22
−22
(−23)9.5 − 11.5
(+6−8=7)
45.2%
9.5 / 21
94.3%
−58
= 1 0 1 1 = = 1 0 0 = 1 0 0 0 1 = 0 = = 0
–   Minic 3.03 64-bit3048+26
−26
(−24)13 − 11
(+6−4=14)
54.2%
13.0 / 24
93.1%
0
0 0 = 0 = = 1 = 1 = 1 = = 1 1 = 0 = = = = 1 = =
–   Minic 3.04 64-bit3046+46
−45
(−26)2 − 2
(+0−0=4)
50.0%
2.0 / 4
84.5%
−26
= = = =
–   Rybka 3 64-bit3046+11
−11
(−26)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.9%
+35
= = 1 0 1 1 = 0 1 0 1 = 1 0 = 1
–   Bagatur 2.2a 64-bit3035+45
−45
(−37)2 − 2
(+1−1=2)
50.0%
2.0 / 4
93.0%
−37
= 1 0 =
–   Fat Fritz Junior w510 64-bit3029+26
−26
(−43)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.6%
+24
= = 1 1 0 = 1 = 1 0 1 1 1 = 0 0
–   Critter 1.01 32-bit3018+18
−18
(−54)8.5 − 7.5
(+4−3=9)
53.1%
8.5 / 16
100.0%
−35
= = = 0 = 0 1 = 0 = 1 = 1 1 = =
–   Pirarucu 3.3.5 64-bit3013+16
−16
(−59)10.5 − 5.5
(+6−1=9)
65.6%
10.5 / 16
100.0%
+26
1 1 = 1 = = = 1 = 0 = = = 1 1 =
–   Komodo 2.03 32-bit3006+16
−16
(−66)10 − 6
(+5−1=10)
62.5%
10.0 / 16
100.0%
+2
= = = = = = 1 1 = 1 0 1 = = 1 =
–   Topple 0.8.0 64-bit3004+21
−22
(−68)5 − 3
(+3−1=4)
62.5%
5.0 / 8
100.0%
+5
1 1 = 1 = = 0 =
–   Monolith 2 64-bit3002+16
−16
(−70)14 − 10
(+7−3=14)
58.3%
14.0 / 24
100.0%
−22
1 0 1 0 = = 1 = = 1 = = = = 1 = 1 = = 0 = 1 = =
–   Rodent IV 0.30 64-bit3002+26
−26
(−70)4 − 1
(+3−0=2)
80.0%
4.0 / 5
100.0%
+130
1 = 1 1 =
–   Stockfish 1.9.1 32-bit3000+16
−15
(−72)11.5 − 4.5
(+8−1=7)
71.9%
11.5 / 16
100.0%
+65
1 = 1 1 1 1 1 1 = = 1 = = 0 = =
–   Stash 27.0 64-bit2993+28
−28
(−79)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−79
= = = =
–   Amoeba 3.2 64-bit2989+19
−19
(−83)13 − 7
(+8−2=10)
65.0%
13.0 / 20
100.0%
+5
1 = = = = = 1 1 0 1 = 0 = 1 = = 1 = 1 1
–   FabChess 1.16 64-bit2984+18
−18
(−88)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+62
1 = 1 =
–   Weiss 1.2 64-bit2982+17
−17
(−90)9.5 − 6.5
(+5−2=9)
59.4%
9.5 / 16
100.0%
−36
= 1 1 = 1 0 = 0 1 = = = 1 = = =
–   Deuterium 2019.2.37.73 64-bit2978+15
−15
(−94)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−11
0 = 1 1
–   Counter 3.7 64-bit2970+24
−24
(−102)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Cheng 4.40 64-bit2959+16
−16
(−113)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−180
= = = 0
–   Tucano 9.00 64-bit2932+21
−21
(−140)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−44
= 0 1 1
–   Dirty CUCUMBER 64-bit2917+12
−12
(−155)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−4
1 = = 1
–   Francesca MAD 0.29 64-bit2913+21
−21
(−159)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+130
= 1 1 1
–   Asymptote 0.8 64-bit2911+18
−18
(−161)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+128
1 1 = 1
–   Stash 23.0 64-bit2880+28
−28
(−192)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−124
= 1 = =
–   The Baron 3.44 64-bit2865+12
−12
(−207)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+20
0 1 1 1
–   Cheese 2.2 64-bit2838+21
−21
(−234)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+55
1 1 = 1
–   Mr Bob 0.9.0 64-bit2835+23
−23
(−237)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−144
1 = 1 0

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021