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
Koivisto 9.0 64-bit 4CPU#28  (3560+10
−10		)Quote
Authors: Kim Kahre (Finland) , Finn Eggers (Germany) Link: Homepage
This is one of the 12 Koivisto versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 20230613 64-bit 4CPU3642+11
−11		(+82)10.5 − 21.5
(+0−11=21)
32.8%
10.5 / 32
0.0%
−26
–   Stockfish 16 64-bit 4CPU3639+11
−11		(+79)23 − 39
(+0−16=46)
37.1%
23.0 / 62
0.0%
−1
–   Stockfish 16.1 64-bit 4CPU3638+10
−10		(+78)22.5 − 39.5
(+0−17=45)
36.3%
22.5 / 62
0.0%
−6
–   Stockfish 20230507 64-bit 4CPU3637+18
−18		(+77)10 − 22
(+0−12=20)
31.3%
10.0 / 32
0.0%
−44
–   ShashChess GZ 64-bit 4CPU3637+14
−14		(+77)12 − 20
(+0−8=24)
37.5%
12.0 / 32
0.0%
0
–   Torch v3 64-bit 4CPU3636+15
−15		(+76)11.5 − 18.5
(+0−7=23)
38.3%
11.5 / 30
0.0%
+3
–   Torch v2 64-bit 4CPU3633+12
−12		(+73)7 − 16
(+0−9=14)		30.4%
7.0 / 23
0.0%
−53
–   Torch v1 64-bit 4CPU3630+11
−11		(+70)17.5 − 26.5
(+0−9=35)
39.8%
17.5 / 44
0.0%
+7
–   Stockfish 15.1 64-bit 4CPU3628+13
−13		(+68)13.5 − 18.5
(+1−6=25)
42.2%
13.5 / 32
0.0%
+18
–   Dragon by Komodo 3.3 64-bit 4CPU3627+10
−10		(+67)24.5 − 39.5
(+0−15=49)
38.3%
24.5 / 64
0.0%
−5
–   Dragon by Komodo 3.2 64-bit 4CPU3623+12
−12		(+63)13 − 19
(+0−6=26)
40.6%
13.0 / 32
0.0%
+5
–   Berserk 13 64-bit 4CPU3616+11
−11		(+56)26 − 39
(+0−13=52)
40.0%
26.0 / 65
0.0%
−2
–   Obsidian 12.0 64-bit 4CPU3609+14
−14		(+49)15 − 21
(+1−7=28)
41.7%
15.0 / 36
0.0%
−2
–   Berserk 12 64-bit 4CPU3608+11
−11		(+48)25.5 − 34.5
(+0−9=51)
42.5%
25.5 / 60
0.0%
+2
–   PlentyChess 1.0.0 64-bit 4CPU3604+14
−14		(+44)13 − 23
(+0−10=26)
36.1%
13.0 / 36
0.0%
−43
–   Alexandria 7.0.0 64-bit 4CPU3602+13
−13		(+42)12 − 18
(+0−6=24)
40.0%
12.0 / 30
0.0%
−19
–   RubiChess 20240112 64-bit 4CPU3602+12
−12		(+42)14.5 − 20.5
(+0−6=29)
41.4%
14.5 / 35
0.0%
−8
–   Fat Fritz 2 64-bit 4CPU3601+10
−10		(+41)14 − 18
(+0−4=28)
43.8%
14.0 / 32
0.0%
+4
–   PlentyChess 2.0.0 64-bit 4CPU3601+16
−16		(+41)14.5 − 15.5
(+0−1=29)
48.3%
14.5 / 30
0.0%
+31
–   Lizard 10.5 64-bit 4CPU3601+16
−16		(+41)12.5 − 17.5
(+1−6=23)
41.7%
12.5 / 30
0.0%
−9
–   Caissa 1.18 64-bit 4CPU3600+13
−13		(+40)16.5 − 19.5
(+0−3=33)
45.8%
16.5 / 36
0.0%
+15
–   Ethereal 14.25 64-bit 4CPU3600+10
−10		(+40)26.5 − 27.5
(+1−2=51)
49.1%
26.5 / 54
0.0%
+34
–   Caissa 1.17 64-bit 4CPU3600+14
−14		(+40)20.5 − 23.5
(+0−3=41)
46.6%
20.5 / 44
0.0%
+20
–   RubiChess 20240817 64-bit 4CPU3600+15
−15		(+40)13.5 − 16.5
(+0−3=27)
45.0%
13.5 / 30
0.0%
+10
–   Caissa 1.19 64-bit 4CPU3599+17
−17		(+39)13 − 17
(+0−4=26)
43.3%
13.0 / 30
0.0%
0
–   Obsidian 10.0 64-bit 4CPU3598+15
−15		(+38)14.5 − 17.5
(+1−4=27)
45.3%
14.5 / 32
0.0%
+9
–   Obsidian 11.0 64-bit 4CPU3597+15
−15		(+37)15.5 − 19.5
(+0−4=31)
44.3%
15.5 / 35
0.0%
+2
–   Caissa 1.16 64-bit 4CPU3595+16
−16		(+35)14.5 − 17.5
(+0−3=29)
45.3%
14.5 / 32
0.0%
+7
–   Clover 7.0 64-bit 4CPU3594+16
−16		(+34)14 − 16
(+0−2=28)
46.7%
14.0 / 30
0.0%
+14
–   Caissa 1.15 64-bit 4CPU3592+17
−17		(+32)13.5 − 18.5
(+0−5=27)
42.2%
13.5 / 32
0.0%
−15
–   Viridithas 14.0.1 64-bit 4CPU3589+17
−17		(+29)12.5 − 15.5
(+0−3=25)		44.6%
12.5 / 28
0.0%
−2
–   RubiChess 20230918 64-bit 4CPU3586+14
−14		(+26)14 − 18
(+1−5=26)
43.8%
14.0 / 32
0.0%
−11
–   Seer 2.8.0 64-bit 4CPU3585+11
−11		(+25)16 − 20
(+0−4=32)
44.4%
16.0 / 36
0.0%
−7
–   Uralochka 3.41a 64-bit 4CPU3584+14
−14		(+24)14.5 − 17.5
(+0−3=29)
45.3%
14.5 / 32
0.0%
−1
–   Alexandria 6.1.0 64-bit 4CPU3584+14
−14		(+24)16.5 − 19.5
(+0−3=33)
45.8%
16.5 / 36
0.0%
0
–   Berserk 11.1 64-bit 4CPU3583+12
−12		(+23)15.5 − 16.5
(+1−2=29)
48.4%
15.5 / 32
0.0%
+13
–   Chess System Tal 2.00 Elo 64-bit 4CPU3582+10
−10		(+22)17.5 − 18.5
(+2−3=31)
48.6%
17.5 / 36
0.0%
+14
–   Caissa 1.14.1 64-bit 4CPU3582+16
−16		(+22)15 − 17
(+1−3=28)
46.9%
15.0 / 32
0.4%
+3
–   Obsidian 9.0 64-bit 4CPU3582+16
−16		(+22)15 − 17
(+0−2=30)
46.9%
15.0 / 32
0.4%
+3
–   Clover 6.2 64-bit 4CPU3580+17
−17		(+20)14.5 − 15.5
(+2−3=25)
48.3%
14.5 / 30
1.3%
+9
–   Rebel 16.3 64-bit 4CPU3579+13
−13		(+19)17 − 19
(+2−4=30)
47.2%
17.0 / 36
0.2%
+3
–   Chess System Tal 2.00 EAS 64-bit 4CPU3579+12
−12		(+19)17 − 19
(+0−2=34)
47.2%
17.0 / 36
0.2%
+3
–   Igel 3.5.0 64-bit 4CPU3577+10
−10		(+17)16.5 − 19.5
(+0−3=33)
45.8%
16.5 / 36
0.1%
−6
–   Ethereal 14.00 64-bit 4CPU3577+12
−12		(+17)15 − 17
(+0−2=30)
46.9%
15.0 / 32
0.5%
−1
–   Alexandria 6.0.0 64-bit 4CPU3574+14
−14		(+14)18 − 18
(+2−2=32)
50.0%
18.0 / 36
3.1%
+12
–   rofChade 3.1 64-bit 4CPU3573+11
−11		(+13)18 − 18
(+2−2=32)
50.0%
18.0 / 36
1.8%
+13
–   Clover 6.1 64-bit 4CPU3572+12
−12		(+12)18 − 18
(+1−1=34)
50.0%
18.0 / 36
3.5%
+12
–   Rebel EAS 64-bit 4CPU3569+12
−12		(+9)16 − 16
(+0−0=32)
50.0%
16.0 / 32
9.0%
+9
–   Berserk 10 64-bit 4CPU3567+13
−13		(+7)16 − 16
(+0−0=32)
50.0%
16.0 / 32
16.4%
+7
–   Obsidian 8.0 64-bit 4CPU3567+17
−17		(+7)16.5 − 15.5
(+1−0=31)
51.6%
16.5 / 32
22.7%
+15
–   RubiChess 20230410 64-bit 4CPU3564+13
−13		(+4)14.5 − 17.5
(+1−4=27)
45.3%
14.5 / 32
26.3%
−25
–   Caissa 1.13.1 64-bit 4CPU3564+16
−16		(+4)16.5 − 15.5
(+3−2=27)
51.6%
16.5 / 32
31.8%
+14
–   Uralochka 3.40a 64-bit 4CPU3563+12
−12		(+3)18.5 − 17.5
(+3−2=31)
51.4%
18.5 / 36
30.9%
+11
–   RubiChess 20221120 64-bit 4CPU3558+12
−12		(−2)16 − 16
(+2−2=28)
50.0%
16.0 / 32
63.5%
−3
–   Revenge 3.0 64-bit 4CPU3558+9
−9		(−2)16 − 16
(+1−1=30)
50.0%
16.0 / 32
62.4%
−3
–   Seer 2.7.0 64-bit 4CPU3558+17
−17		(−2)13.5 − 14.5
(+2−3=23)		48.2%
13.5 / 28
57.8%
−12
–   Igel 3.4.0 64-bit 4CPU3557+14
−14		(−3)15 − 17
(+0−2=30)
46.9%
15.0 / 32
68.0%
−21
–   Viridithas 12.0.0 64-bit 4CPU3557+15
−15		(−3)17 − 15
(+2−0=30)
53.1%
17.0 / 32
64.5%
+15
–   Caissa 1.12 64-bit 4CPU3556+16
−16		(−4)17 − 15
(+3−1=28)
53.1%
17.0 / 32
69.5%
+14
–   Fire 9.3 64-bit 4CPU3556+19
−19		(−4)10.5 − 11.5
(+0−1=21)		47.7%
10.5 / 22
66.5%
−17
–   Ethereal 13.75 64-bit 4CPU3554+12
−12		(−6)16.5 − 15.5
(+1−0=31)
51.6%
16.5 / 32
80.3%
+2
–   Titan 1.1.0 64-bit3551+9
−9		(−9)3 − 3
(+0−0=6)		50.0%
3.0 / 6
91.2%
−9
–   Clover 6.0 64-bit 4CPU3548+13
−13		(−12)16.5 − 15.5
(+3−2=27)
51.6%
16.5 / 32
95.8%
−2
–   Arasan 24.1 64-bit 4CPU3546+17
−17		(−14)9.5 − 10.5
(+1−2=17)		47.5%
9.5 / 20
94.0%
−29
–   Caissa 1.11 64-bit 4CPU3546+17
−17		(−14)17 − 15
(+3−1=28)
53.1%
17.0 / 32
94.5%
+4
–   SlowChess Blitz 2.9 64-bit 4CPU3545+9
−9		(−15)16 − 16
(+2−2=28)
50.0%
16.0 / 32
99.7%
−15
–   Deep Sjeng 3.6 a16 64-bit 4CPU3544+16
−16		(−16)16.5 − 15.5
(+1−0=31)
51.6%
16.5 / 32
96.5%
−7
–   Velvet 7.1.0 64-bit 4CPU3544+19
−19		(−16)17.5 − 12.5
(+7−2=21)
58.3%
17.5 / 30
95.6%
+36
–   Rebel 16.2 64-bit 4CPU3544+13
−13		(−16)17.5 − 14.5
(+4−1=27)
54.7%
17.5 / 32
98.8%
+11
–   Clover 5.0 64-bit 4CPU3544+17
−17		(−16)16.5 − 15.5
(+3−2=27)
51.6%
16.5 / 32
96.4%
−6
–   Arasan 24.0 64-bit 4CPU3539+15
−15		(−21)16.5 − 13.5
(+3−0=27)
55.0%
16.5 / 30
99.6%
+8
–   Viridithas 11.0.0 64-bit 4CPU3536+15
−15		(−24)2 − 2
(+0−0=4)		50.0%
2.0 / 4
99.9%
−24
–   Seer 2.6.0 64-bit 4CPU3534+11
−11		(−26)16.5 − 15.5
(+1−0=31)
51.6%
16.5 / 32
100.0%
−17
–   Clover 4.1 64-bit 4CPU3533+15
−15		(−27)18.5 − 13.5
(+5−0=27)
57.8%
18.5 / 32
100.0%
+18
–   Booot 7.3 64-bit 4CPU3530+15
−15		(−30)11 − 9
(+2−0=18)		55.0%
11.0 / 20
100.0%
0
–   Rebel 16 64-bit 4CPU3530+14
−14		(−30)17.5 − 14.5
(+3−0=29)
54.7%
17.5 / 32
100.0%
−2
–   Minic 3.31 64-bit 4CPU3528+12
−12		(−32)18.5 − 13.5
(+6−1=25)
57.8%
18.5 / 32
100.0%
+13
–   Stormphrax 4.0.0 64-bit 4CPU3528+17
−17		(−32)12.5 − 11.5
(+3−2=19)		52.1%
12.5 / 24
100.0%
−19
–   rofChade 3.0 64-bit 4CPU3526+10
−10		(−34)17 − 15
(+2−0=30)
53.1%
17.0 / 32
100.0%
−15
–   Viridithas 10.0.0 64-bit 4CPU3525+18
−18		(−35)16 − 14
(+4−2=24)
53.3%
16.0 / 30
100.0%
−15
–   Clover 4.0 64-bit 4CPU3525+16
−16		(−35)16 − 14
(+3−1=26)
53.3%
16.0 / 30
100.0%
−16
–   Caissa 1.9 64-bit 4CPU3525+16
−16		(−35)17.5 − 12.5
(+5−0=25)
58.3%
17.5 / 30
100.0%
+14
–   Igel 3.3.0 64-bit 4CPU3522+17
−17		(−38)16 − 16
(+0−0=32)
50.0%
16.0 / 32
100.0%
−38
–   Minic 3.32 64-bit 4CPU3520+14
−14		(−40)13.5 − 10.5
(+3−0=21)		56.3%
13.5 / 24
100.0%
−5
–   Booot 7.2 64-bit 4CPU3512+15
−15		(−48)16.5 − 13.5
(+3−0=27)
55.0%
16.5 / 30
100.0%
−18
–   Uralochka 3.39d 64-bit 4CPU3512+13
−13		(−48)19 − 13
(+6−0=26)
59.4%
19.0 / 32
100.0%
+9
–   Alexandria 4.0 64-bit 4CPU3510+16
−16		(−50)10.5 − 11.5
(+0−1=21)		47.7%
10.5 / 22
100.0%
−63
–   Viridithas 9.1.0 64-bit 4CPU3509+18
−18		(−51)13.5 − 10.5
(+3−0=21)		56.3%
13.5 / 24
100.0%
−13
–   Altair 7.0.0 64-bit 4CPU3504+18
−18		(−56)19 − 9
(+11−1=16)		67.9%
19.0 / 28
100.0%
+61
–   Igel 3.2.0 64-bit 4CPU3501+17
−17		(−59)20 − 12
(+8−0=24)
62.5%
20.0 / 32
100.0%
+16
–   Fire 9 64-bit 4CPU3496+18
−18		(−64)15 − 9
(+6−0=18)		62.5%
15.0 / 24
100.0%
+12
–   Caissa 1.7 64-bit 4CPU3494+18
−18		(−66)16 − 12
(+4−0=24)		57.1%
16.0 / 28
100.0%
−25
–   Arasan 23.5 64-bit 4CPU3488+15
−15		(−72)12.5 − 9.5
(+3−0=19)		56.8%
12.5 / 22
100.0%
−32
–   Ginkgo Vienna 64-bit 4CPU3481+13
−13		(−79)19.5 − 12.5
(+7−0=25)
60.9%
19.5 / 32
100.0%
−12
–   Peacekeeper 2.30 64-bit 4CPU3463+21
−21		(−97)26 − 12
(+14−0=24)
68.4%
26.0 / 38
100.0%
+19
–   Houdini 6 64-bit 4CPU3456+7
−7		(−104)23 − 9
(+17−3=12)
71.9%
23.0 / 32
100.0%
+54
–   Marvin 6.2.0 64-bit 4CPU3455+17
−17		(−105)15.5 − 8.5
(+7−0=17)		64.6%
15.5 / 24
100.0%
−13
–   Marvin 6.1.0 64-bit 4CPU3448+15
−15		(−112)21 − 11
(+10−0=22)
65.6%
21.0 / 32
100.0%
−13
–   Velvet 5.0.0 64-bit 4CPU3439+17
−17		(−121)21.5 − 10.5
(+12−1=19)
67.2%
21.5 / 32
100.0%
−9
–   Midnight 9 64-bit 4CPU3438+20
−20		(−122)11.5 − 6.5
(+5−0=13)		63.9%
11.5 / 18
100.0%
−35
–   Tucano 10.00 64-bit 4CPU3428+14
−14		(−132)22.5 − 9.5
(+13−0=19)
70.3%
22.5 / 32
100.0%
0
–   Booot 7.0 64-bit 4CPU3428+16
−16		(−132)24 − 8
(+16−0=16)
75.0%
24.0 / 32
100.0%
+36
3312 games: 247 wins, 300 losses, 2765 draws (83.5%), score: 49.2%

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