KCEC
(Kirr's Chess Engine Comparison)
A tournament of original free chess engines
June 16, 2013
Testing summary:
Total: 135,679 games
played by 202 programs
1398 CPU days (X2 4600+)

White wins: 55,227 (40.7%)
Black wins: 47,434 (35.0%)
Draws: 33,018 (24.3%)
White score: 52.9%

Engine Details

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Show each game results
Cerebro 3.03d UCI#45  (2572+19
−19		)Quote
Author: Antonio Senatore (Argentina) Released: 2008-06-21Link: WBEC
This engine is stable and runs without issues.
This is the only Cerebro version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Jonny 2.832652+17
−17		(+80)8.5 − 23.5
(+5−20=7)
26.6%
8.5 / 32
0.0%
−93
53.5%
2260
0.79
1210
= = 0 0 0 0 0 = 0 0 1 0 0 0 0 1 = 0 1 0 1 0 0 0 = 0 0 0 0 1 = =
–   Crafty 21.5 64-bit PS2652+17
−17		(+80)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.0%
−27
50.3%
2256
0.86
1135
1 0 = 0 1 0 1 0 0 0 0 = 1 1 0 0 1 0 0 0 = 0 0 1 0 0 = 1 1 = 0 0
–   The Baron 1.8.12651+18
−18		(+79)14 − 18
(+12−16=4)
43.8%
14.0 / 32
0.0%
+29
54.3%
2409
0.97
1308
0 = 1 = 0 1 = 1 = 1 1 0 0 0 0 0 1 1 1 1 0 1 0 0 0 0 1 0 0 0 1 0
–   Anaconda 2.0.12644+17
−17		(+72)12.5 − 19.5
(+7−14=11)
39.1%
12.5 / 32
0.0%
−1
56.2%
2110
0.81
1186
1 = = 0 0 1 1 = 0 1 0 0 = 0 0 = = = 0 = 1 0 0 = 1 = 0 0 0 0 = 1
–   Fritz 5.322643+17
−17		(+71)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−70
55.6%
2226
0.74
1237
= 0 0 0 1 0 1 = 0 0 0 1 = 1 = 0 1 = 1 0 0 0 0 = 0 0 0 1 0 0 0 0
–   Ktulu 4.22634+17
−17		(+62)14 − 18
(+8−12=12)
43.8%
14.0 / 32
0.0%
+21
59.9%
1838
0.67
1101
1 0 0 = = 1 1 1 = = 0 0 = 0 0 = 1 = = 0 = 1 0 0 1 1 = = 0 0 0 =
–   Thinker 4.7a2634+17
−17		(+62)11 − 21
(+6−16=10)
34.4%
11.0 / 32
0.0%
−41
53.8%
2112
0.75
1136
= 0 = 0 1 1 1 = 0 0 0 = 0 1 = 0 = 0 0 1 0 0 = = 0 0 = 1 = 0 0 0
–   SmarThink 0.17a2633+16
−16		(+61)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.0%
+71
51.6%
2112
0.78
1089
0 0 = = 1 0 1 1 1 0 1 = 0 0 = 1 1 1 0 0 1 = 1 0 = 0 = 1 1 0 0 1
–   Ufim 8.022628+18
−18		(+56)10.5 − 21.5
(+4−15=13)
32.8%
10.5 / 32
0.0%
−51
53.1%
1710
1.02
908
1 = 0 = 0 0 0 0 = = 0 0 0 = 0 0 1 = = 0 0 = 0 1 0 = = 1 = = = 0
–   Trace 1.37a2622+17
−17		(+50)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−43
52.5%
2438
0.99
1280
= 1 0 0 0 0 1 0 0 0 1 0 = = 0 = 0 1 0 1 = 0 1 0 1 1 0 1 0 0 0 =
–   AnMon 5.602621+18
−18		(+49)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
0.0%
+59
52.0%
2191
0.73
1139
1 0 = 1 0 = = = 1 0 0 1 1 0 0 0 1 = = 1 1 1 0 1 1 0 0 1 0 0 1 =
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17		(+42)17 − 15
(+12−10=10)
53.1%
17.0 / 32
0.0%
+63
53.9%
1836
0.80
990
0 0 1 0 0 = 1 1 1 = 0 1 1 1 = 1 = = = = 1 = = 0 1 0 0 1 0 = 1 0
–   Yace 0.99.872609+17
−17		(+37)11.5 − 20.5
(+9−18=5)
35.9%
11.5 / 32
0.1%
−71
54.9%
2338
0.68
1284
1 1 0 = 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 = 0 0 0 1 = 0 1 1 1 = =
–   Pepito 1.59 32-bit2595+19
−19		(+23)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
3.6%
+11
51.0%
2476
0.76
1262
1 0 0 1 = 1 0 = 1 1 = 0 0 = 0 = 0 0 1 = 0 0 1 1 0 1 = 1 0 1 0 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18		(+12)16 − 16
(+12−12=8)
50.0%
16.0 / 32
17.4%
+13
50.1%
2628
0.76
1316
1 1 0 1 = 1 0 1 0 = 0 = = = 0 = 0 1 0 0 1 = 0 0 1 1 1 1 = 0 1 0
–   Green Light Chess 3.002582+17
−17		(+10)10 − 22
(+6−18=8)
31.3%
10.0 / 32
19.5%
−122
53.9%
2378
0.67
1282
0 1 = 1 1 0 0 0 0 = = 0 1 0 0 0 0 = 0 0 1 = 0 0 0 0 1 = = = 0 0
–   Tao 5.62574+17
−17		(+2)16 − 16
(+13−13=6)
50.0%
16.0 / 32
42.7%
+2
54.6%
2305
0.71
1258
0 = 0 1 0 = 1 1 0 1 0 1 1 1 0 1 0 = 1 1 = 0 0 1 1 0 = 0 0 0 = 1
–   Twisted Logic 20080404x2568+18
−18		(−4)16 − 16
(+13−13=6)
50.0%
16.0 / 32
61.1%
−2
52.8%
2346
0.76
1238
0 = 1 0 1 1 0 1 0 1 0 0 0 1 1 1 = 1 1 = 1 = 0 1 0 = 0 1 = 0 0 0
–   Arasan 10.0 64-bit2564+17
−17		(−8)17 − 15
(+13−11=8)
53.1%
17.0 / 32
74.2%
+14
57.6%
2374
0.65
1368
1 1 0 0 = 0 0 1 1 1 0 = 0 0 = = 1 1 0 = = 0 1 1 1 0 0 = 1 1 = 1
–   Abrok 5.02561+17
−17		(−11)17.5 − 14.5
(+13−10=9)
54.7%
17.5 / 32
79.9%
+22
56.9%
2231
0.69
1269
0 = = 0 1 1 1 = = 0 0 = 1 = 0 1 1 0 1 1 1 = 1 1 = 0 1 = 0 0 1 0
–   Amyan 1.5972552+17
−17		(−20)15.5 − 16.5
(+9−10=13)
48.4%
15.5 / 32
94.2%
−30
53.7%
1843
0.60
990
0 = 0 1 = 0 0 = 0 = = 1 1 = 0 0 = 1 1 = 1 1 = 0 1 1 = = = 0 = 0
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18		(−21)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
95.1%
−53
54.9%
2442
0.80
1341
0 1 1 0 = 1 0 = 1 1 1 0 = 0 0 0 1 1 = 0 = 0 = 1 0 = 1 1 0 0 0 0
–   SpiderChess 0706032546+17
−17		(−26)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
98.1%
+29
51.0%
1860
0.64
948
0 0 1 = 1 = 1 = 1 0 1 1 1 1 1 0 0 = 1 1 1 = 1 = = = = 0 1 0 0 0
–   Quark 2.352536+16
−16		(−36)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
99.8%
+37
52.7%
2211
0.82
1165
= 0 = 1 0 1 0 1 1 1 1 1 0 = 0 = 0 1 1 1 1 = = 1 1 = 0 1 1 = 0 =
–   Gaia 3.5 64-bit2536+17
−17		(−36)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
99.8%
+121
54.0%
2752
0.89
1486
1 0 1 1 1 0 = = 1 1 1 1 0 = = 0 1 1 1 = 1 0 1 1 1 1 1 1 0 1 1 0
–   King of Kings 2.562536+18
−18		(−36)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
99.7%
−47
51.9%
2376
0.96
1233
= 1 0 0 1 1 0 = 0 0 1 = 1 0 1 0 = 0 1 = = 0 1 1 1 0 0 1 = 1 0 0
–   LambChop 10.992531+17
−17		(−41)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
+38
57.2%
1980
0.77
1132
0 0 = 1 0 = 1 = 1 1 = 0 1 1 1 = 1 1 0 0 = 1 1 = 1 0 1 0 1 1 1 0
–   Dragon 4.62524+16
−16		(−48)18 − 14
(+12−8=12)
56.3%
18.0 / 32
100.0%
−6
56.3%
2112
0.68
1189
0 1 = 1 = = 0 0 1 = 1 1 0 = 0 0 = = 1 1 = = 1 0 1 = = 1 1 1 0 =
–   Nejmet 3.072521+16
−16		(−51)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
+91
50.3%
2031
0.92
1021
1 = = 0 1 1 1 0 1 = 0 1 0 1 1 1 = 1 = = 1 1 0 1 = 1 = 1 1 1 = 1
–   Snitch 1.6.2 32-bit2521+15
−15		(−51)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
+21
49.7%
2718
0.74
1351
1 0 1 1 1 0 0 0 0 1 0 0 0 1 0 1 1 0 1 1 1 = = 0 = 1 = 1 1 1 1 1
–   RomiChess P3k 64-bit2502+18
−18		(−70)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
+6
62.3%
1664
0.67
1037
0 1 0 0 0 = = 1 1 1 1 1 1 = 0 1 = 1 = 0 = 1 1 1 = = 1 1 = 0 1 0
–   Amy 0.8.7b DC2500+17
−17		(−72)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
+19
54.5%
2589
0.91
1410
1 1 1 1 1 1 = 0 1 0 1 1 1 0 1 0 = 1 0 0 1 1 = = = 0 0 0 1 1 1 =
–   KnightDreamer 3.32499+16
−16		(−73)18 − 14
(+15−11=6)
56.3%
18.0 / 32
100.0%
−25
56.9%
2088
0.77
1188
0 1 = 0 1 1 = 1 = 0 1 0 1 0 1 1 0 1 = 0 0 1 0 1 1 = 1 = 0 0 1 1
1056 games in total: 387 wins, 411 losses, 258 draws (24.4%), score: 48.9%
Average opponent: +7.4 (2579.4), average distance to opponent: 44.0

Performance

This figure shows how this engine performs depending on how strong is the opponent. Regression:

Perf = C − 0.276 [±0.356] * Opp

Where 'Opp' is the opponent's rating. 95% confidence intervals are in the brackets.

Rating changes by day

Rating changes with played games

Created in 2005-2012 by Kirill Kryukov
Updated on June 16, 2013