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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Show each game results
Chiron 2 64-bit 4CPU (3083+15
−15
)Quote
Author: Ubaldo Farina
This is one of the 12 Chiron versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Stockfish 6 64-bit 4CPU3289+14
−14
(+206)8 − 42
(+0−34=16)
16.0%
8.0 / 50
0.0%
−35
0 0 0 0 0 0 = 0 = 0 = = 0 = 0 0 0 = 0 0 0 = 0 = = = 0 0 0 0 0 0 0 0 0 0 = 0 0 = 0 = 0 = = = 0 0 0 0
–   Komodo 8 64-bit 4CPU3283+16
−16
(+200)7 − 45
(+0−38=14)
13.5%
7.0 / 52
0.0%
−73
= = = 0 = 0 0 0 0 = = 0 0 0 = = 0 = 0 0 = 0 0 0 0 0 0 0 0 0 0 = 0 0 0 0 0 0 0 0 = = 0 0 0 0 0 0 0 0 0 =
–   Stockfish 5 64-bit 4CPU3267+15
−15
(+184)10 − 40
(+1−31=18)
20.0%
10.0 / 50
0.0%
−18
0 0 = 0 0 = 0 0 = 1 0 0 0 0 0 0 = 0 0 = 0 = 0 0 0 0 0 = 0 = = = = 0 = 0 0 = = 0 = = 0 = 0 = 0 0 0 0
–   Houdini 4 64-bit 4CPU3240+10
−10
(+157)12 − 39
(+3−30=18)
23.5%
12.0 / 51
0.0%
−22
0 = = 0 0 0 = 0 = 0 0 0 = = 1 = 0 0 0 0 0 0 0 = 0 = = = = = = 1 0 0 0 = 1 0 0 0 0 0 0 0 = = 0 0 0 = 0
–   Stockfish DD 64-bit 4CPU3232+17
−17
(+149)21 − 71
(+3−53=36)
22.8%
21.0 / 92
0.0%
−29
0 = = = 0 0 0 0 = 0 0 0 = 0 = 0 0 0 0 = 0 = = 0 = 0 0 = 0 0 = 0 0 = = = = = 0 0 0 = = = 0 1 = = 0 0 0 0 = 0 0 0 0 = 0 = 1 0 0 = 0 = = = 0 0 0 = 0 = 0 = 0 = 0 = 0 1 0 = = 0 0 0 0 0 0 0
–   Houdini 4 Tactical 64-bit 4CPU3229+24
−24
(+146)11 − 23
(+3−15=16)
32.4%
11.0 / 34
0.0%
+38
= = = = 0 0 0 1 = = 0 = 1 0 0 = = = 0 = 0 = 0 = = 0 1 0 0 = 0 0 0 =
–   Komodo 7a 64-bit 4CPU3226+18
−18
(+143)6.5 − 23.5
(+1−18=11)
21.7%
6.5 / 30
0.0%
−46
1 0 = 0 0 0 0 0 0 = = 0 0 0 0 0 0 = 0 0 = 0 = = 0 = 0 = = =
–   Komodo TCEC 64-bit 4CPU3216+18
−17
(+133)15 − 36
(+4−25=22)
29.4%
15.0 / 51
0.0%
+1
1 = = 1 = 0 = 0 0 = = 0 = 0 0 0 = 0 = 0 = = 1 0 = = 0 0 0 0 = 0 0 0 = 0 0 0 = 0 0 0 0 = = = = = 0 1 =
–   Gull 3 64-bit 4CPU3178+9
−9
(+95)10 − 20
(+3−13=14)
33.3%
10.0 / 30
0.0%
−6
= 1 0 = = = = 0 0 = 0 0 1 0 = = 0 0 = = 0 0 0 0 = 1 0 = = =
–   Gull 2.8b 64-bit 4CPU3176+19
−19
(+93)11.5 − 21.5
(+6−16=11)
34.8%
11.5 / 33
0.0%
−8
0 0 0 1 0 = 0 0 1 0 0 = = 1 0 0 0 = 1 0 = 0 = 0 0 = 1 0 1 = = = =
–   Equinox 3.20 64-bit 4CPU3171+11
−11
(+88)16.5 − 19.5
(+9−12=15)
45.8%
16.5 / 36
0.0%
+62
0 = 0 = = 1 1 = = 1 = = = 1 0 0 = 0 1 = 0 1 0 1 = = 1 0 = 0 0 0 0 = 1 =
–   Stockfish DD 64-bit3163+15
−15
(+80)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+49
=
–   Fritz 15 64-bit 4CPU3159+12
−12
(+76)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+226
1 = 1 =
–   Critter 1.6a 64-bit 4CPU3157+8
−8
(+74)24 − 50
(+6−32=36)
32.4%
24.0 / 74
0.0%
−34
= 0 0 = 0 0 = 0 = 0 = 0 = 1 0 0 1 = = 1 = 0 = 0 = = = = = 0 0 = = 0 = 0 = 0 0 0 = = 1 1 = = 0 0 = = = 0 0 = = = 0 0 0 0 0 = 0 1 = = 0 0 = 0 = = = 0
–   Fire 3.0 64-bit 4CPU3148+17
−17
(+65)13 − 19
(+4−10=18)
40.6%
13.0 / 32
0.0%
+11
0 = = = 0 1 = 0 = = 1 0 0 0 0 0 = 1 = = 0 = 1 = = = = = = = = 0
–   Bouquet 1.8 64-bit 4CPU3147+11
−11
(+64)14.5 − 21.5
(+4−11=21)
40.3%
14.5 / 36
0.0%
+8
0 = = = 0 = = 1 = 0 0 = 0 = 1 0 = = = 0 0 0 0 = = 1 = = = 0 = = 1 = = =
–   Rybka 4.1 64-bit 4CPU3142+9
−9
(+59)14.5 − 19.5
(+4−9=21)
42.6%
14.5 / 34
0.0%
+17
= = = = 1 = = 0 1 1 = 0 = = = 0 = = 0 1 0 0 0 = = = = 0 = 0 = = = =
–   Komodo TCEC 64-bit3141+17
−17
(+58)23 − 26
(+9−12=28)
46.9%
23.0 / 49
0.0%
+37
= 0 = = = 0 = = = = = = 1 0 1 = = 1 = = 1 0 = = 1 = = 0 = 0 = 0 = 1 1 0 = 0 = 0 = = 0 = = 1 = 0 1
–   NirvanaChess 2.2 64-bit 4CPU3138+17
−17
(+55)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−102
0 = = 0
–   Protector 1.9.0 64-bit 4CPU3137+15
−15
(+54)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−96
= = 0 0
–   Alfil 15.7 64-bit 4CPU3135+17
−17
(+52)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−90
0 =
–   Andscacs 0.85 64-bit 4CPU3131+25
−25
(+48)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.1%
−11
= = = 0
–   Sting SF 6 64-bit 4CPU3130+28
−28
(+47)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.2%
+47
= = = =
–   Sting SF 4.8.4 64-bit 4CPU3129+29
−29
(+46)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.3%
+46
= =
–   DeepSaros 4.1.6 64-bit 4CPU3126+26
−26
(+43)14 − 22
(+5−13=18)
38.9%
14.0 / 36
0.2%
−20
1 0 1 = = = = 0 1 = 0 = 0 = 0 0 = = = 0 = = 0 = = 0 0 0 1 = 1 = = = 0 0
–   Protector 1.8.0 64-bit 4CPU3122+28
−27
(+39)2 − 2
(+0−0=4)
50.0%
2.0 / 4
0.7%
+39
= = = =
–   BlackMamba 2.0 64-bit 4CPU3121+15
−15
(+38)17.5 − 20.5
(+6−9=23)
46.1%
17.5 / 38
0.0%
+15
= = 0 1 = = = = = 0 = 0 = = 1 1 = = = = 0 0 = = 0 0 = 1 0 = = 0 1 = = = 1 =
–   Fizbo 1.7 64-bit 4CPU3118+27
−27
(+35)1 − 1
(+0−0=2)
50.0%
1.0 / 2
1.2%
+35
= =
–   Elektro 1.2 64-bit 4CPU3116+23
−23
(+33)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
1.0%
−124
= 0
–   Sting SF 5 64-bit 4CPU3115+25
−25
(+32)3 − 3
(+1−1=4)
50.0%
3.0 / 6
1.4%
+32
1 = = 0 = =
–   Hannibal 1.5 64-bit 4CPU3108+19
−19
(+25)11 − 12
(+4−5=14)
47.8%
11.0 / 23
1.8%
+12
= 1 1 1 = = 1 = = = 0 = 0 = = = 0 = = = 0 = 0
–   NirvanaChess 2.1c 64-bit 4CPU3093+23
−23
(+10)6 − 4
(+4−2=4)
60.0%
6.0 / 10
23.0%
+73
1 1 = 1 = = 0 = 0 1
–   Naum 4.6 64-bit 4CPU3093+14
−14
(+10)23.5 − 30.5
(+9−16=29)
43.5%
23.5 / 54
16.1%
−29
= 1 1 = 0 0 0 = = = 0 = = = = = 1 0 0 = 0 = 0 0 0 = = = 0 = = = = = = 0 0 = 1 = 0 1 = 0 1 = = 1 = 1 0 1 = =
–   Sting SF 4 64-bit 4CPU3092+23
−23
(+9)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
25.3%
+166
1 =
–   Texel 1.05 64-bit 4CPU3082+17
−17
(−1)13 − 9
(+6−2=14)
59.1%
13.0 / 22
53.1%
+51
= = 0 = 1 = 1 1 = 1 = = = = = = = 0 1 = = 1
–   Andscacs 0.82 64-bit 4CPU3080+29
−29
(−3)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
57.8%
−95
0 = 1 0
–   Critter 0.90 64-bit 4CPU3076+31
−31
(−7)1 − 1
(+1−1=0)
50.0%
1.0 / 2
65.7%
−7
0 1
–   Hannibal 1.4b 64-bit 4CPU3075+15
−15
(−8)17.5 − 17.5
(+8−8=19)
50.0%
17.5 / 35
78.3%
−5
= 1 0 = 0 0 1 0 = 1 = 1 = = 0 1 = = 1 = = = = 1 0 0 1 = 0 = = = = = =
–   Andscacs 0.81 64-bit 4CPU3075+31
−32
(−8)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
68.3%
−38
=
–   Protector 1.7.0 64-bit 4CPU3073+19
−19
(−10)22.5 − 20.5
(+10−8=25)
52.3%
22.5 / 43
80.9%
+2
= = 0 = 0 1 = = 1 1 = = 1 = = = 0 = = 1 = = 0 0 = 0 = 0 1 0 = = = = = = 1 1 1 1 = = =
–   Deep Fritz 14 64-bit 4CPU3070+16
−16
(−13)17 − 13
(+8−4=18)
56.7%
17.0 / 30
88.9%
+23
= 1 = 1 = = 1 1 = 1 = 1 0 = 1 = 0 = = = 0 = 0 = = 1 = = = =
–   Protector 1.6.0 64-bit 4CPU3069+21
−22
(−14)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
86.6%
+26
1 1 = = 1 1 = 1 = = 0 1 = 0 = = 0 = 0 0 = 1 = 1
–   Naum 4.2 64-bit 4CPU3059+10
−10
(−24)19 − 15
(+9−5=20)
55.9%
19.0 / 34
99.7%
+11
= = 0 0 0 0 1 = = = 0 = = = 1 = = = = 1 1 1 = = = = 1 = 1 1 1 = = =
–   Texel 1.04 64-bit 4CPU3056+21
−21
(−27)15.5 − 14.5
(+8−7=15)
51.7%
15.5 / 30
98.5%
−15
1 1 0 = = = = 1 = 0 = 1 = 0 1 0 0 = = 1 = = = 1 0 0 = = 1 =
–   Alfil 15.8 64-bit 4CPU3054+22
−22
(−29)5 − 2
(+3−0=4)
71.4%
5.0 / 7
98.4%
+100
= 1 1 = = = 1
–   NirvanaChess 2.0a 64-bit 4CPU3054+30
−30
(−29)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
95.8%
+16
1 1 = = = 0
–   Protector 1.5.0 64-bit 4CPU3054+18
−18
(−29)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
99.4%
−96
= = 0 =
–   Hiarcs 14 4CPU3052+13
−13
(−31)29.5 − 22.5
(+15−8=29)
56.7%
29.5 / 52
99.9%
+10
= 0 1 1 = = 1 = 1 = = = = 0 = = = = = 0 0 = 1 0 = 0 = 0 0 1 1 1 = = = = 1 = = = = 1 1 = 1 = = = 1 1 1 =
–   Deep Junior Yokohama 64-bit 4CPU3023+16
−16
(−60)32.5 − 15.5
(+23−6=19)
67.7%
32.5 / 48
100.0%
+54
1 = 1 0 = = 1 = 1 0 = 1 = 1 1 1 = = 1 = = = = = 1 1 1 0 1 = 1 1 1 1 = 1 0 0 1 1 0 = = = 1 1 1 =
–   Andscacs 0.80 64-bit 4CPU3021+31
−31
(−62)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+294
1 = 1 1 1 1
–   Senpai 1.0 64-bit 4CPU3021+16
−17
(−62)10.5 − 7.5
(+6−3=9)
58.3%
10.5 / 18
100.0%
−13
= 0 = 0 = = 0 = = = 1 1 = 1 = 1 1 1
–   Deep Junior 13.3 64-bit 4CPU3017+18
−18
(−66)1 − 2
(+0−1=2)
33.3%
1.0 / 3
100.0%
−148
= = 0
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(−67)31.5 − 20.5
(+17−6=29)
60.6%
31.5 / 52
100.0%
−5
1 = 1 = = = = = = = = 1 = = = 1 = = = 1 = 1 0 1 0 0 = = = = 1 = 1 1 0 0 = = 1 = 0 = 1 1 = 1 = 1 1 = = 1
–   Rybka 2.3.2a 64-bit 4CPU3016+13
−13
(−67)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
100.0%
−7
1 = = 0 = 1
–   Spike 1.4 Leiden 4CPU3014+11
−11
(−69)30 − 14
(+23−7=14)
68.2%
30.0 / 44
100.0%
+54
1 = 0 = = = = 0 1 1 1 1 1 1 1 1 1 1 1 0 0 1 1 = 1 1 1 1 = 0 = 1 = = 0 = 1 = = 0 1 1 1 =
–   Arasan 19.0.1 64-bit 4CPU3010+32
−31
(−73)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Texel 1.03 64-bit 4CPU3008+31
−31
(−75)7.5 − 6.5
(+5−4=5)
53.6%
7.5 / 14
100.0%
−53
1 0 = 0 1 1 = 1 0 = = = 1 0
–   Cheng 4.39 64-bit 4CPU3008+15
−15
(−75)5.5 − 0.5
(+5−0=1)
91.7%
5.5 / 6
100.0%
+283
1 1 1 1 1 =
–   Vajolet2 2.1 64-bit 4CPU2997+25
−25
(−86)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+71
= 1
–   Fizbo 1.5 64-bit 4CPU2991+27
−27
(−92)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−92
0 1
–   Cheng4 0.38 64-bit 4CPU2979+24
−24
(−104)6 − 6
(+1−1=10)
50.0%
6.0 / 12
100.0%
−104
= 0 = = = = = = = = 1 =
–   Arasan 18.3 64-bit 4CPU2971+30
−30
(−112)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+30
1 =
–   Zappa Mexico II 64-bit 4CPU2967+10
−10
(−116)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−201
0 = 1 0
–   Spark 1.0 64-bit 4CPU2967+13
−13
(−116)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+34
= = 1 1
–   EXchess 7.88b 64-bit 4CPU2955+29
−29
(−128)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−158
=
–   Fizbo 1.31 64-bit 4CPU2954+30
−30
(−129)7 − 5
(+4−2=6)
58.3%
7.0 / 12
100.0%
−76
= = 1 1 1 0 0 = = = 1 =
–   Onno 1.2.70 64-bit 4CPU2932+19
−19
(−151)1 − 1
(+0−0=2)
50.0%
1.0 / 2
100.0%
−151
= =
–   Fizbo 1.4 64-bit 4CPU2930+28
−28
(−153)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−10
= 1
–   Thinker 5.4d Inert 64-bit 4CPU2924+23
−23
(−159)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Toga II 3.0 4CPU2917+22
−23
(−166)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Crafty 23.8 64-bit 4CPU2907+32
−33
(−176)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−176
0 1
–   Cheng4 0.36c 64-bit 4CPU2895+30
−30
(−188)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
−8
1 = 1 1 = 1 0 1

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