CCRL 40/4
Downloads and Statistics
April 15, 2018
Testing summary:
Total: 1'713'036 games
played by 2'011 programs
23129 CPU days (X2 4600+)

White wins: 669'108 (39.1%)
Black wins: 543'275 (31.7%)
Draws: 500'653 (29.2%)
White score: 53.7%

Engine Details

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Show each game results
Etude 0.1.2#383  (1960+13
−13
)Quote
Author: Jacob Hales (USA) Link: Download
This is the only Etude version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Fire 6.1 64-bit3294+11
−11
(+1334)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Defenchess (SCTR) 1.1f 64-bit3046+17
−17
(+1086)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Rival 1.0.1 64-bit2271+16
−16
(+311)4.5 − 26.5
(+3−25=3)
14.5%
4.5 / 31
0.0%
−3
1 0 0 0 = 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 = = 1 0 0
–   Beowulf 2.4a 32-bit2196+11
−11
(+236)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Ethereal 7.33 64-bit2163+40
−38
(+203)2.5 − 15.5
(+1−14=3)
13.9%
2.5 / 18
0.0%
−93
0 0 0 = 0 = 0 0 0 0 0 0 0 0 = 0 0 1
–   Genesis 2.01b2158+28
−28
(+198)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+228
=
–   GopherCheck 0.2.2 64-bit2127+17
−17
(+167)9.5 − 22.5
(+5−18=9)
29.7%
9.5 / 32
0.0%
+24
= 0 0 = 0 0 1 = 0 = = 0 0 0 0 0 0 0 1 1 1 1 = 0 = = = 0 0 0 0 0
–   Wing 2.0a2097+10
−9
(+137)10 − 24
(+7−21=6)
29.4%
10.0 / 34
0.0%
−23
0 0 0 = 0 = 1 0 1 1 0 0 0 0 0 0 0 1 0 0 = 0 0 = 0 1 0 = 0 0 1 = 0 1
–   Jumbo 0.1.102090+20
−20
(+130)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
+8
= 0 1 = = 0 1 1 0 = 0 0 0 0 0 0 0 = 0 1 0 1 = = = 1 0 0 0 0 = 0
–   Gogobello 0.12 64-bit2086+19
−19
(+126)10 − 22
(+5−17=10)
31.3%
10.0 / 32
0.0%
−2
0 = 0 0 0 0 1 0 = 0 1 0 = 0 = 0 = 0 0 0 0 = = 0 0 = 1 = = 1 1 0
–   Uragano 3D 0.872086+14
−14
(+126)12.5 − 21.5
(+10−19=5)
36.8%
12.5 / 34
0.0%
+23
0 1 0 0 0 1 1 1 0 1 1 = 1 0 0 0 0 0 = 0 1 0 0 = 0 0 0 = = 1 1 0 0 0
–   Parrot 07.07.222071+15
−15
(+111)13.5 − 20.5
(+10−17=7)
39.7%
13.5 / 34
0.0%
+31
= = 0 0 1 0 0 1 0 0 = 1 0 0 0 1 0 0 = 1 0 = 0 0 = 1 = 1 1 1 0 0 0 1
–   Monarch 1.72053+11
−11
(+93)15.5 − 19.5
(+10−14=11)
44.3%
15.5 / 35
0.0%
+55
0 0 0 = 1 1 = 0 = = = = = 0 1 0 0 1 = 1 1 0 0 1 0 0 = 0 1 1 0 1 = 0 =
–   Matheus 2.32053+9
−9
(+93)15.5 − 18.5
(+10−13=11)
45.6%
15.5 / 34
0.0%
+61
= 1 0 0 0 1 0 = 1 1 1 0 = = 1 1 0 = = 1 0 0 = 1 1 0 = 0 = 0 0 = = 0
–   Bodo 0.2b2046+12
−12
(+86)17 − 17
(+12−12=10)
50.0%
17.0 / 34
0.0%
+87
1 1 = 0 1 1 1 0 = = 0 = = 0 = = 0 0 0 = 1 1 = 1 0 1 0 0 1 0 1 1 = 0
–   Crabby 2.02040+32
−31
(+80)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Gerbil 0.2 64-bit2038+10
−10
(+78)15 − 19
(+12−16=6)
44.1%
15.0 / 34
0.0%
+31
1 1 0 0 1 1 0 0 1 = 1 1 0 0 1 0 0 0 0 1 1 0 1 0 0 = 1 0 = = 0 = = 0
–   RDChess 3.232037+13
−13
(+77)15 − 19
(+12−16=6)
44.1%
15.0 / 34
0.0%
+30
1 0 = 0 1 1 1 = = 1 0 0 = 0 1 0 0 0 1 1 0 0 0 = 1 0 1 0 = 0 0 1 1 0
–   Ax 0.82034+12
−12
(+74)16 − 18
(+13−15=6)
47.1%
16.0 / 34
0.0%
+53
1 0 0 1 1 0 0 0 1 1 1 = 1 0 1 1 0 = 0 0 0 = 1 = = 0 = 0 1 0 0 0 1 1
–   Cinnamon 2.0 64-bit2029+14
−14
(+69)15 − 17
(+8−10=14)
46.9%
15.0 / 32
0.0%
+49
1 0 1 = 1 0 0 = 0 = = = = = 1 0 0 0 0 0 = 1 = = = 1 1 = = 1 = 0
–   PLP 16615712026+17
−17
(+66)14 − 15
(+12−13=4)
48.3%
14.0 / 29
0.0%
+51
0 0 1 0 = 1 1 0 = 1 1 0 1 1 1 0 = 1 0 1 = 1 0 0 0 0 0 0 1
–   ProChess 101CN2024+17
−17
(+64)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+6
0 1 0 0 = 1 0 0 0 1 0 = 0 0 0 0 0 0 = 1 = 1 1 0 = 0 1 1 0 1 1 1
–   Bestia 0.902024+9
−9
(+64)11 − 23
(+7−19=8)
32.4%
11.0 / 34
0.0%
−62
0 0 0 = 0 = 1 0 1 = 0 1 0 0 = 0 = 0 = 0 0 1 0 1 = 0 1 0 0 0 0 0 = 1
–   Zeta Dva 0210 64-bit2018+19
−19
(+58)9.5 − 22.5
(+6−19=7)
29.7%
9.5 / 32
0.0%
−92
0 = 0 0 = = 0 1 1 1 0 = 1 0 0 0 0 0 0 0 = 1 1 = = 0 0 0 0 0 0 0
–   Little Wing 0.4.0 64-bit2012+19
−18
(+52)8 − 24
(+4−20=8)
25.0%
8.0 / 32
0.0%
−130
0 1 0 0 0 1 0 0 0 0 = = 0 0 0 1 = = 0 = 0 0 1 0 = 0 0 = 0 0 0 =
–   DelphiMAX 2.92009+13
−13
(+49)13 − 21
(+10−18=6)
38.2%
13.0 / 34
0.0%
−40
0 0 = 1 0 1 1 0 0 0 0 = 0 0 0 = 0 1 = = 0 1 1 1 0 0 1 1 0 1 0 0 0 =
–   Cupcake 1.1a2009+28
−28
(+49)1 − 7
(+1−7=0)
12.5%
1.0 / 8
0.1%
−331
0 0 0 0 0 0 1 0
–   Ceibo 0.4 64-bit1999+19
−19
(+39)13 − 19
(+8−14=10)
40.6%
13.0 / 32
0.0%
−25
1 0 0 0 = 1 0 = 0 1 0 = 0 0 = = = = 1 1 0 0 = 1 0 1 0 = 1 0 0 =
–   Requiem 0.531998+12
−12
(+38)17 − 17
(+11−11=12)
50.0%
17.0 / 34
0.0%
+39
= 0 = = 1 0 1 = 0 0 1 = 1 = 1 1 = 0 1 = 1 0 0 0 0 = = 1 1 = = 1 0 0
–   Leonidas 83 64-bit1995+19
−18
(+35)11 − 16
(+9−14=4)
40.7%
11.0 / 27
0.1%
−35
0 0 0 = 1 1 0 1 = = 0 1 1 0 0 1 0 0 = 1 0 0 1 1 0 0 0
–   AdroitChess 0.31993+20
−20
(+33)12 − 20
(+8−16=8)
37.5%
12.0 / 32
0.3%
−54
= 0 1 = 0 0 0 1 1 1 0 1 0 0 0 0 = 1 = 1 0 = 1 0 0 0 = = 0 0 = 0
–   Zeta Dva 0301 64-bit1991+19
−19
(+31)12.5 − 17.5
(+10−15=5)
41.7%
12.5 / 30
0.4%
−34
0 1 0 0 1 0 1 0 1 = 0 0 0 0 1 1 = 0 1 0 = 1 0 0 1 0 = 0 1 =
–   Galjoen 0.34 64-bit1990+20
−20
(+30)19 − 12
(+14−7=10)
61.3%
19.0 / 31
0.6%
+107
1 = 0 0 = = 0 1 1 0 = 0 = = 1 1 1 1 1 = = 1 0 1 1 1 0 = 1 1 =
–   Small Potato 0.6.11987+10
−10
(+27)20.5 − 13.5
(+17−10=7)
60.3%
20.5 / 34
0.0%
+103
= = = 1 0 1 1 1 0 0 1 0 1 = 0 1 = 1 1 0 1 0 0 = 1 1 0 1 = 0 1 1 1 1
–   Elephant 1.061986+13
−13
(+26)12 − 23
(+10−21=4)
34.3%
12.0 / 35
0.2%
−98
0 1 0 0 0 0 1 0 0 1 0 = 0 0 0 0 0 = 1 0 1 1 0 1 = 0 1 0 0 1 1 0 0 = 0
–   Embla 1.0.1 64-bit1984+18
−18
(+24)20 − 12
(+12−4=16)
62.5%
20.0 / 32
1.7%
+98
1 = = 1 = 1 = 1 = = = = 0 = 0 = 1 = 1 = = 1 = = 1 0 = 0 1 1 1 1
–   Gullydeckel 2.16pl11984+12
−12
(+24)30.5 − 35.5
(+25−30=11)
46.2%
30.5 / 66
0.3%
−4
0 0 0 = 0 1 1 0 0 0 1 1 0 = 0 1 1 1 1 1 0 0 0 0 0 0 = 1 0 0 0 1 0 1 0 0 = = = 1 0 1 = 1 1 1 1 0 1 = 0 = 1 0 0 1 = 0 1 1 0 0 1 1 = 0
–   Armageddon 2.3081983+11
−11
(+23)17 − 17
(+13−13=8)
50.0%
17.0 / 34
0.5%
+23
1 = 1 = 1 = = 0 0 0 0 1 0 0 0 0 0 1 0 0 = 0 1 1 1 1 = 1 = 0 1 = 1 1
–   FrankWalter 1.081983+16
−16
(+23)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
1.3%
−74
1 = 1 0 0 0 1 0 = 0 0 0 0 0 = 1 0 0 = = = = 1 = 0 0 = 0 0 1 0 1
–   BigLion 2.23x1983+9
−9
(+23)12.5 − 21.5
(+8−17=9)
36.8%
12.5 / 34
0.2%
−71
0 0 0 = = = 0 0 0 1 = 0 1 = 0 0 0 1 = = 1 0 0 = 0 1 0 1 0 1 1 = 0 0
–   Slibo 0.5.11982+31
−31
(+22)0 − 2
(+0−2=0)
0.0%
0.0 / 2
10.4%
−INF
0 0
–   Bubble 1.51981+15
−15
(+21)10.5 − 20.5
(+6−16=9)
33.9%
10.5 / 31
2.0%
−94
1 0 0 = 0 1 0 1 0 0 1 = = = = 1 0 0 = 0 0 0 = 0 1 0 = 0 0 0 =
–   Galjoen 0.32 64-bit1980+19
−19
(+20)22 − 10
(+19−7=6)
68.8%
22.0 / 32
3.9%
+161
1 = 1 0 0 0 0 1 1 1 = 1 1 1 1 = = 1 0 = 1 0 1 0 1 1 1 = 1 1 1 1
–   Faile 1.4.41975+9
−9
(+15)18 − 16
(+14−12=8)
52.9%
18.0 / 34
3.3%
+36
0 0 1 0 0 0 0 1 0 = 1 1 1 1 1 1 = 1 0 = = 0 1 = 0 0 = 1 1 = 1 1 = 0
–   Hedgehog 1.8041969+19
−19
(+9)17.5 − 13.5
(+13−9=9)
56.5%
17.5 / 31
22.9%
+57
= = = 1 = 0 = 1 1 1 0 = 0 = 1 0 = 0 0 1 1 = 1 1 0 1 1 0 1 0 1
–   Matant 5.041966+15
−15
(+6)15.5 − 18.5
(+12−15=7)
45.6%
15.5 / 34
28.2%
−25
0 1 = = 1 = = 1 = 0 1 1 0 0 0 1 1 0 0 = 1 0 1 0 0 0 1 1 1 0 0 = 0 0
–   La Dame Blanche 2.0c1964+15
−14
(+4)17.5 − 16.5
(+14−13=7)
51.5%
17.5 / 34
35.7%
+12
1 = 1 0 1 1 0 1 = 0 1 0 1 1 0 0 0 = 1 0 1 1 1 0 0 1 = = 0 = 0 = 1 0
–   SSEChessII 2.05 DC1963+10
−10
(+3)15 − 20
(+12−17=6)
42.9%
15.0 / 35
38.9%
−52
1 0 = 1 = 0 0 0 1 0 0 = 1 0 1 1 = 1 1 0 0 0 1 0 = 0 0 0 0 1 = 0 1 1 0
–   Cilian 4.141961+11
−11
(+1)19 − 16
(+15−12=8)
54.3%
19.0 / 35
49.2%
+34
1 1 = 1 = 1 0 0 0 = 1 0 = 0 1 0 0 0 1 1 0 1 1 = 1 1 = 1 = 0 1 1 = 0 0
–   Marvin 1.3.01960+10
−10
(0)19 − 15
(+17−13=4)
55.9%
19.0 / 34
53.3%
+45
0 1 1 = = 1 0 1 1 0 1 0 1 1 1 0 0 1 0 1 1 0 1 = 0 = 1 0 0 1 1 1 0 0
–   Gogobello 0.11 64-bit1959+22
−22
(−1)16.5 − 15.5
(+15−14=3)
51.6%
16.5 / 32
53.7%
+10
1 1 1 0 1 = 1 1 = 1 1 1 0 0 0 0 0 0 1 0 1 0 0 0 = 0 0 1 0 1 1 1
–   Eia 0.31958+20
−20
(−2)5.5 − 7.5
(+4−6=3)
42.3%
5.5 / 13
59.4%
−46
= 1 1 0 0 0 0 = 0 = 1 1 0
–   ALChess 1.841952+16
−16
(−8)13.5 − 19.5
(+9−15=9)
40.9%
13.5 / 33
79.2%
−69
1 = 0 0 = = 0 0 1 0 = = 0 1 = 0 0 = 1 1 = 0 1 0 0 = 1 1 0 1 0 0 0
–   Zevra 1.6.1 r512 64-bit1949+20
−20
(−11)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
82.8%
−91
1 1 = 1 1 = = 1 0 0 0 0 0 0 0 1 0 0 0 = 1 1 = 0 1 = 0 = 0 0 0 0
–   Micro-Max 4.81946+9
−9
(−14)15 − 17
(+10−12=10)
46.9%
15.0 / 32
96.8%
−39
= 0 0 0 = 1 = 1 0 0 1 = = = 0 = 0 1 1 0 1 = 1 0 0 1 1 = 0 0 = 1
–   Rival 1.181946+11
−11
(−14)19 − 15
(+14−10=10)
55.9%
19.0 / 34
95.7%
+24
0 = = 0 1 1 1 0 1 1 1 1 = = 1 1 1 0 0 1 = 0 = 0 1 = 0 = = 0 1 1 = 0
–   Galjoen 0.33 64-bit1945+19
−19
(−15)17 − 32
(+13−28=8)
34.7%
17.0 / 49
90.9%
−131
0 0 1 1 = 0 0 1 1 0 0 0 0 1 0 0 0 0 1 0 1 0 1 0 0 0 0 0 0 0 = 1 = 0 1 = 0 = = 1 0 0 = 0 0 1 0 = 1
–   Mustang 4.971945+13
−13
(−15)15 − 19
(+11−15=8)
44.1%
15.0 / 34
95.5%
−55
0 = 1 = 0 0 0 1 0 = 0 = 0 = 0 1 = 1 1 0 1 0 0 1 = 0 1 0 = 0 1 0 1 1
–   JanWillem 1.131944+10
−10
(−16)16.5 − 17.5
(+13−14=7)
48.5%
16.5 / 34
98.1%
−28
1 = = 0 = 0 0 0 = 0 0 0 1 0 1 1 1 1 1 1 = 0 0 0 1 0 1 1 = 1 0 0 1 =
–   Sharper 0.171933+13
−13
(−27)23 − 11
(+19−7=8)
67.6%
23.0 / 34
99.9%
+98
0 1 = 1 1 = 1 1 1 = 0 1 0 1 0 = 0 0 1 1 = 1 = 1 0 1 1 = 1 = 1 1 1 1
–   BibiChess 0.51920+11
−12
(−40)19.5 − 14.5
(+15−10=9)
57.4%
19.5 / 34
100.0%
+11
= = 0 1 0 1 1 0 = = = 1 1 1 = 1 1 = 0 0 0 1 1 0 0 = 0 0 1 1 = 1 1 1
–   Smash 1.0.31919+10
−10
(−41)17 − 19
(+13−15=8)
47.2%
17.0 / 36
100.0%
−58
= 1 1 1 0 0 1 0 1 1 1 0 0 = 0 = 1 1 0 = 0 0 1 = 0 0 = 1 = 0 1 0 1 = 0 0
–   Heracles 0.6.161913+10
−10
(−47)21 − 13
(+18−10=6)
61.8%
21.0 / 34
100.0%
+43
0 0 = 0 0 1 1 1 1 = 1 0 0 = 0 1 = 1 1 1 1 1 0 1 = 0 0 1 1 1 = 1 1 1
–   SamChess1912+14
−14
(−48)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   IACH 0.56z1910+11
−11
(−50)21 − 14
(+17−10=8)
60.0%
21.0 / 35
100.0%
+22
1 1 1 1 0 1 0 0 = = 1 0 0 1 = 1 0 = = 1 1 1 = 1 1 0 0 1 1 = = 0 1 1 0
–   Embla 0.9.9 64-bit1909+19
−18
(−51)0 − 6
(+0−6=0)
0.0%
0.0 / 6
100.0%
−INF
0 0 0 0 0 0
–   Eagle 0.7.51907+13
−13
(−53)19.5 − 14.5
(+17−12=5)
57.4%
19.5 / 34
100.0%
+2
= 1 1 = 0 = = 1 0 1 0 0 1 1 1 0 1 0 1 1 1 0 1 1 1 0 = 0 0 0 1 1 1 0
–   Warrior 1.0.31899+10
−10
(−61)24.5 − 10.5
(+21−7=7)
70.0%
24.5 / 35
100.0%
+91
1 1 0 1 0 1 = 1 1 1 1 1 = = 0 1 0 1 1 1 = 0 1 0 1 1 1 1 1 0 = 1 1 = =
–   Clueless 1.41899+10
−10
(−61)20.5 − 14.5
(+17−11=7)
58.6%
20.5 / 35
100.0%
+2
= 1 = 1 1 1 = = 1 1 1 0 0 0 0 0 0 0 1 0 1 1 1 0 1 0 1 = 1 = 1 = 0 1 1
–   Morphy 3.221894+13
−13
(−66)21 − 14
(+14−7=14)
60.0%
21.0 / 35
100.0%
−3
1 0 = 0 0 1 1 = = 1 1 = = 0 0 = 1 1 0 1 1 1 1 1 = = 0 = = = = = = 1 1
–   SnailChess 4.0131892+11
−11
(−68)22.5 − 11.5
(+20−9=5)
66.2%
22.5 / 34
100.0%
+57
1 = 1 0 1 1 0 1 0 1 1 = = 1 = 1 0 0 1 1 1 1 1 1 = 1 1 0 0 0 1 1 1 0
–   FreeChessII 2.171883+25
−25
(−77)0 − 2
(+0−2=0)
0.0%
0.0 / 2
100.0%
−INF
0 0
–   MatMoi 7.15.0-cct 64-bit1883+23
−23
(−77)18.5 − 13.5
(+17−12=3)
57.8%
18.5 / 32
100.0%
−13
1 1 1 1 0 1 1 1 = 1 1 1 0 = = 1 0 0 0 1 1 0 0 1 0 0 0 0 1 1 0 1
–   Robocide 20160510 64-bit1880+18
−18
(−80)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
+69
1 = = = 1 1 0 = 0 0 1 1 1 1 0 1 1 1 1 1 1 1 0 1 = 1 1 1 1 0 = =
–   Gogobello 0.10 64-bit1856+22
−22
(−104)22 − 10
(+18−6=8)
68.8%
22.0 / 32
100.0%
+27
1 1 1 1 = = 1 1 1 1 = 0 = 0 0 1 1 0 0 = = 1 1 1 = 1 1 1 1 1 = 0
–   Presbyter 1.3.0 64-bit1844+28
−28
(−116)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   ALChess 1.71839+18
−18
(−121)18 − 10
(+15−7=6)
64.3%
18.0 / 28
100.0%
−17
1 1 1 1 1 0 = 1 1 = 1 = 0 1 = = 0 = 0 0 1 0 1 1 1 1 1 0
–   HeavyChess 0.13 beta1819+18
−18
(−141)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Sayuri 2017.08.19 64-bit1802+18
−18
(−158)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+38
1 1 0 1 1 1 0 1 1 1 0 1 1 0 1 1 0 1 1 1 1 1 0 1 = 1 1 0 1 1 = =
–   Beaches 2.321796+11
−12
(−164)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chenard 2015.08.14 64-bit1793+53
−52
(−167)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Pigeon 1.5.1 64-bit1792+17
−17
(−168)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−137
=
–   Enigma 1.1.41785+13
−13
(−175)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Fauce 0.41c1766+16
−16
(−194)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Lodocase 2402081749+20
−20
(−211)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   SEE 0.6.91704+12
−12
(−256)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Aldebaran 0.7.01702+12
−12
(−258)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RumbleMinze 1.0.331685+29
−30
(−275)17.5 − 6.5
(+14−3=7)
72.9%
17.5 / 24
100.0%
−112
1 = 0 = 1 = 1 = 1 = 1 = 1 = 1 1 1 1 0 0 1 1 1 1
–   Cleo 11628+109
−112
(−332)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1

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Created in 2005-2013 by CCRL team
Last games added on April 15, 2018