CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

Options
Show each game results
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
–   Defenchess 2.2 64-bit3202+10
−10
(+130)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
+18
0 = 0 0 = 0 1 = = = = 0 0 = = 0
–   Schooner 2.2 64-bit3202+10
−10
(+130)4.5 − 11.5
(+1−8=7)
28.1%
4.5 / 16
0.0%
−9
0 = = 0 = 0 = 0 1 = = 0 = 0 0 0
–   RubiChess 1.8 64-bit3188+20
−20
(+116)5 − 11
(+1−7=8)
31.3%
5.0 / 16
0.0%
+2
= 0 = = 0 0 = 0 = 0 = = 0 = 1 0
–   Arasan 22.2 64-bit3157+23
−23
(+85)4 − 16
(+3−15=2)
20.0%
4.0 / 20
0.0%
−167
0 0 0 = 0 0 0 0 0 0 0 1 0 1 = 0 1 0 0 0
–   Wasp 4.50 64-bit3154+22
−22
(+82)9.5 − 10.5
(+5−6=9)
47.5%
9.5 / 20
0.0%
+63
0 1 0 = 1 1 = = 0 = = = = 0 = = 1 0 0 1
–   NirvanaChess 2.5 64-bit3132+19
−19
(+60)10 − 14
(+2−6=16)
41.7%
10.0 / 24
0.0%
+15
= = = 0 0 = = = = = = 1 = 0 1 = = = 0 = 0 0 = =
–   Laser 1.6 64-bit3129+11
−11
(+57)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.0%
+37
= 1 = 0 = = = = = 0 0 = = 1 = =
–   Winter 0.9 64-bit3127+17
−17
(+55)8.5 − 11.5
(+2−5=13)
42.5%
8.5 / 20
0.0%
+15
= 0 = = 1 = = = = 0 = = 0 1 = = = = 0 0
–   Orion 0.8 64-bit3123+20
−20
(+51)17.5 − 16.5
(+9−8=17)
51.5%
17.5 / 34
0.0%
+60
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-bit3118+7
−7
(+46)7 − 9
(+5−7=4)
43.8%
7.0 / 16
0.0%
+2
1 0 0 = 1 0 = 0 = = 0 1 1 0 1 0
–   Roc 0.7 64-bit3114+10
−10
(+42)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Marvin 5.0.0 64-bit3113+22
−21
(+41)9 − 11
(+3−5=12)
45.0%
9.0 / 20
0.2%
+13
= 1 1 0 = = = = = = 1 = = = 0 = 0 0 = 0
–   Halogen 9 64-bit3112+22
−22
(+40)8 − 16
(+1−9=14)
33.3%
8.0 / 24
0.3%
−54
= = 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
0.2%
−21
= = 0 = = 0 1 1 0 = 0 1 0 = = 0 = = 1 0 = 1 1 0 1 = 0 0 = 0 = 0 = 0 1 0 = = = 0 0 =
–   Andscacs 0.88 64-bit3110+14
−15
(+38)7.5 − 8.5
(+2−3=11)
46.9%
7.5 / 16
0.1%
+22
= = 0 = = 0 1 = = = = 1 0 = = =
–   Demolito 2021-03-19 64-bit3105+84
−83
(+33)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
22.1%
+122
1 0 = 1
–   Vajolet2 2.8 64-bit3098+15
−15
(+26)6.5 − 5.5
(+3−2=7)
54.2%
6.5 / 12
1.9%
+47
= 0 = 1 = = = = = 0 1 1
–   Beef 0.3.6 64-bit3097+27
−27
(+25)5 − 11
(+0−6=10)
31.3%
5.0 / 16
6.6%
−79
0 = = = 0 0 = = = 0 = 0 = 0 = =
–   Toga III 0.2 64-bit3096+23
−23
(+24)14.5 − 17.5
(+7−10=15)
45.3%
14.5 / 32
5.2%
−4
1 1 = 0 1 = 0 1 = = 0 = 0 = 0 0 0 0 = = = 1 = = = = = 0 0 1 = 1
–   Fritz 15 64-bit3092+10
−9
(+20)7.5 − 8.5
(+4−5=7)
46.9%
7.5 / 16
3.3%
0
= = 1 0 0 0 1 = = 0 1 1 = = = 0
–   chess22k 1.14 64-bit3077+16
−16
(+5)4.5 − 7.5
(+0−3=9)
37.5%
4.5 / 12
35.4%
−59
= = = = = = = 0 = = 0 0
–   Wasp 4.0 64-bit3076+19
−19
(+4)9 − 11
(+3−5=12)
45.0%
9.0 / 20
36.9%
−25
0 = = = 0 1 0 = 1 0 = 0 = 1 = = = = = =
–   ChessBrainVB 3.743065+14
−14
(−7)9 − 7
(+5−3=8)
56.3%
9.0 / 16
69.7%
+24
1 0 1 0 = 1 = 0 = 1 = = 1 = = =
–   Stash 29.0 64-bit3065+22
−22
(−7)7.5 − 6.5
(+4−3=7)
53.6%
7.5 / 14
67.9%
+9
0 1 1 = = = = 1 1 0 = = 0 =
–   Weiss 1.3 64-bit3064+25
−25
(−8)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
67.9%
−75
= = = 0
–   iCE 4.0 64-bit3059+15
−15
(−13)5 − 3
(+4−2=2)
62.5%
5.0 / 8
83.8%
+74
1 1 0 1 1 0 = =
–   Seer 1.2.1 64-bit3053+22
−22
(−19)9.5 − 6.5
(+5−2=9)
59.4%
9.5 / 16
89.3%
+30
= 1 1 = = 0 1 = 0 = = 1 1 = = =
–   Minic 2.46 64-bit3050+22
−22
(−22)9.5 − 6.5
(+6−3=7)
59.4%
9.5 / 16
92.6%
+39
= = 1 = 1 0 = 1 1 = 0 = 0 1 1 =
–   Marvin 4.0.0 64-bit3050+22
−22
(−22)9.5 − 11.5
(+6−8=7)
45.2%
9.5 / 21
93.3%
−57
= 0 = 1 0 0 0 1 = = = 1 0 1 0 1 1 0 = = 0
–   Minic 3.03 64-bit3049+26
−26
(−23)13 − 11
(+6−4=14)
54.2%
13.0 / 24
92.2%
+1
0 = 0 = = 1 = 1 = 0 1 = = 1 1 = 0 = = = = 1 = =
–   Minic 3.04 64-bit3048+49
−48
(−24)2 − 2
(+0−0=4)
50.0%
2.0 / 4
81.2%
−24
= = = =
–   Rybka 3 64-bit3047+11
−11
(−25)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
98.5%
+36
1 = 1 0 1 1 = 0 1 0 = = 1 0 = 1
–   Bagatur 2.2a 64-bit3031+46
−46
(−41)2 − 2
(+1−1=2)
50.0%
2.0 / 4
94.1%
−41
0 = 1 =
–   Fat Fritz Junior w510 64-bit3029+26
−26
(−43)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.5%
+24
1 0 1 1 0 = 1 = = = 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 = 1 = = 0 1 = = = = 0 1 1 = =
–   Pirarucu 3.3.5 64-bit3014+16
−16
(−58)10.5 − 5.5
(+6−1=9)
65.6%
10.5 / 16
100.0%
+27
= 0 = = = 1 = = = 1 1 1 = 1 1 =
–   Komodo 2.03 32-bit3007+16
−16
(−65)10 − 6
(+5−1=10)
62.5%
10.0 / 16
100.0%
+3
= 1 0 1 = = 1 1 = = = = = = 1 =
–   Topple 0.8.0 64-bit3005+22
−22
(−67)5 − 3
(+3−1=4)
62.5%
5.0 / 8
100.0%
+6
1 1 = 1 = = 0 =
–   Monolith 2 64-bit3003+16
−16
(−69)14 − 10
(+7−3=14)
58.3%
14.0 / 24
100.0%
−21
1 0 1 0 = = 1 = 1 = = 0 = 1 = = = = 1 = = 1 = =
–   Rodent IV 0.30 64-bit3003+27
−27
(−69)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+80
= 1 1 =
–   Stockfish 1.9.1 32-bit3000+16
−16
(−72)11.5 − 4.5
(+8−1=7)
71.9%
11.5 / 16
100.0%
+65
1 = = 0 1 1 1 1 = = 1 = 1 1 = =
–   Stash 27.0 64-bit2994+28
−28
(−78)2 − 2
(+0−0=4)
50.0%
2.0 / 4
100.0%
−78
= = = =
–   Amoeba 3.2 64-bit2990+19
−19
(−82)13 − 7
(+8−2=10)
65.0%
13.0 / 20
100.0%
+6
0 1 = 0 = 1 = = 1 1 1 = = = = = 1 = 1 1
–   FabChess 1.16 64-bit2985+18
−18
(−87)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+63
= 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 0 = 0 1 = = 1 1 = = =
–   Deuterium 2019.2.37.73 64-bit2979+15
−15
(−93)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−10
0 = 1 1
–   Cheng 4.40 64-bit2960+17
−17
(−112)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−179
= = = 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-bit2918+12
−12
(−154)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−3
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-bit2881+28
−28
(−191)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−123
= 1 = =
–   The Baron 3.44 64-bit2866+12
−12
(−206)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+21
0 1 1 1
–   Cheese 2.2 64-bit2839+21
−21
(−233)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+56
1 1 = 1
–   Mr Bob 0.9.0 64-bit2836+23
−23
(−236)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−143
1 = 1 0

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on May 1, 2021