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
IACH 0.56z WB#154  (1995+18
−18
)Quote
Author: Manuel Diaz (Spain) Released: 2006-11-09Link: RWBC
Issues with this engine: Occasional losses on time.
This is the only IACH version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Bestia 0.902122+15
−15
(+127)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−29
62.8%
2586
1.07
1624
= = 0 0 1 0 1 0 1 0 0 0 1 0 0 0 = 0 1 0 = 0 1 0 0 0 0 0 0 = 1 0
–   Ax 0.82119+15
−15
(+124)6.5 − 25.5
(+6−25=1)
20.3%
6.5 / 32
0.0%
−147
  
0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 =
–   BigLion 2.23x2117+17
−17
(+122)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−2
63.5%
2427
1.05
1541
1 0 1 = 0 = 0 1 0 1 = 0 0 0 0 1 0 = 1 0 0 0 0 1 0 0 0 1 0 1 0 0
–   RDChess 3.232117+16
−16
(+122)5.5 − 26.5
(+3−24=5)
17.2%
5.5 / 32
0.0%
−145
66.1%
2341
1.35
1548
0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 1 0 0 = 0 0 = 0 0 = 0
–   DelphiMax 2.92102+16
−16
(+107)12 − 20
(+10−18=4)
37.5%
12.0 / 32
0.0%
+7
64.3%
2347
1.06
1509
0 0 = = 1 0 0 1 1 0 = 0 0 0 0 1 1 0 1 1 0 0 1 0 0 0 0 0 1 0 = 1
–   Armageddon 2.3082098+17
−17
(+103)13.5 − 18.5
(+9−14=9)
42.2%
13.5 / 32
0.0%
+47
64.2%
1962
0.94
1260
0 0 1 0 = 0 1 0 1 0 = = = = 1 = 1 0 0 0 0 = 0 1 0 0 0 = 1 1 1 =
–   Requiem 0.532084+15
−15
(+89)14.5 − 17.5
(+6−9=17)
45.3%
14.5 / 32
0.0%
+62
60.8%
990
1.02
602
1 0 = 0 = 1 = = = = = 1 = = = = = 0 0 = 1 = 1 = 0 = 1 = 0 0 0 0
–   Small Potato 0.6.12082+16
−16
(+87)11 − 21
(+9−19=4)
34.4%
11.0 / 32
0.0%
−37
65.4%
2662
0.72
1742
1 0 0 1 1 0 1 0 0 0 = = 0 0 0 1 0 0 1 0 0 0 = 0 1 0 = 0 0 0 1 1
–   Elephant 1.062075+16
−16
(+80)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+55
64.0%
2365
1.06
1513
= 1 0 0 1 = 1 = = 1 1 0 0 0 0 0 1 0 1 1 0 1 = 0 0 0 = 1 1 0 0 1
–   La Dame Blanche 2.0c2070+19
−19
(+75)12.5 − 19.5
(+12−19=1)
39.1%
12.5 / 32
0.0%
−17
61.7%
2284
1.60
1409
0 1 1 0 1 0 1 1 0 0 0 0 0 1 0 0 0 1 0 0 0 0 0 1 0 1 1 0 0 1 = 1
–   Cilian 4.142069+16
−16
(+74)13.5 − 18.5
(+7−12=13)
42.2%
13.5 / 32
0.0%
+24
  
= = 0 1 0 1 0 = 0 0 1 0 0 1 0 1 0 0 = 1 = = = = 1 = = = 0 = 0 =
–   Etude 0.1.22063+19
−19
(+68)13 − 19
(+9−15=8)
40.6%
13.0 / 32
0.0%
+2
63.6%
2734
1.08
1738
0 0 0 0 1 0 1 1 = = 0 1 1 0 = 0 1 = = 0 0 0 = 0 0 1 1 0 0 = = 1
–   Gullydeckel 2.16pl12062+19
−19
(+67)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+43
65.1%
2338
0.97
1521
1 = 1 0 = 0 1 = 1 0 0 0 0 0 1 0 0 1 1 1 0 0 = 0 = 0 1 = 1 1 0 1
–   JanWillem 1.132062+16
−16
(+67)15 − 17
(+12−14=6)
46.9%
15.0 / 32
0.0%
+42
65.6%
2063
1.09
1354
1 0 0 1 0 0 = 1 0 = 1 0 0 1 0 0 = 1 1 0 1 = = 1 1 0 1 0 0 0 1 =
–   Marvin 1.3.02054+16
−16
(+59)9 − 23
(+6−20=6)
28.1%
9.0 / 32
0.0%
−105
63.3%
2497
1.33
1580
1 1 1 0 0 = 0 1 0 0 = 0 0 = 0 = 0 0 0 = 1 0 = 0 0 0 0 0 0 0 1 0
–   Matant 5.042053+17
−17
(+58)16 − 16
(+14−14=4)
50.0%
16.0 / 32
0.0%
+59
62.3%
1877
1.05
1169
0 0 0 1 1 0 = 0 1 0 1 0 1 0 0 1 0 1 1 1 = 1 1 0 1 0 0 = = 0 1 1
–   SSEChessII 2.05 DC2049+17
−17
(+54)11 − 21
(+8−18=6)
34.4%
11.0 / 32
0.0%
−63
61.4%
2661
1.31
1634
0 0 0 0 0 0 0 0 = 0 = = 1 = 0 1 1 = 0 1 0 0 0 1 0 0 1 1 = 0 1 0
–   Faile 1.4.42042+15
−15
(+47)11.5 − 20.5
(+7−16=9)
35.9%
11.5 / 32
0.0%
−49
66.3%
2215
0.83
1469
= = 0 0 1 0 = 0 1 0 0 = 0 1 0 = = = 1 0 1 0 = 0 0 = 0 0 1 0 0 1
–   Smash 1.0.32036+17
−17
(+41)19.5 − 12.5
(+17−10=5)
60.9%
19.5 / 32
0.0%
+124
63.7%
2719
1.00
1733
1 0 = 0 1 1 0 1 0 = 1 1 1 0 1 0 0 1 1 1 1 1 1 0 0 0 = = 1 = 1 1
–   Micro-Max 4.8 PIV DM2028+17
−17
(+33)18 − 14
(+15−11=6)
56.3%
18.0 / 32
0.1%
+79
88.2%
2823
0.74
2490
1 = 0 0 = 1 = 1 0 1 0 1 1 1 0 1 1 = 1 0 0 = 1 1 1 1 0 0 = 1 0 0
–   Sharper 0.172022+16
−16
(+27)18.5 − 13.5
(+15−10=7)
57.8%
18.5 / 32
0.7%
+82
61.1%
2936
1.40
1795
1 0 1 0 1 1 1 0 1 1 = 0 1 0 1 0 = 0 = 1 1 = = 0 1 1 0 = 0 = 1 1
–   Mustang 4.972021+17
−17
(+26)13 − 19
(+8−14=10)
40.6%
13.0 / 32
1.1%
−35
62.7%
1503
1.07
943
0 0 1 1 = 0 0 = = 1 0 1 = 0 = 0 1 1 = 0 = 0 0 1 = 0 0 0 1 = 0 =
–   Rival UCI 1.182021+17
−17
(+26)8 − 24
(+6−22=4)
25.0%
8.0 / 32
1.1%
−176
64.1%
2391
1.36
1533
0 1 0 0 0 1 0 1 1 0 0 = = 1 0 0 0 0 0 0 0 0 0 0 0 0 1 = 0 = 0 0
–   BibiChess 0.52007+16
−16
(+12)17 − 15
(+15−13=4)
53.1%
17.0 / 32
13.6%
+36
  
0 0 0 1 1 1 0 0 0 0 = 1 1 0 1 1 1 1 = = 1 1 1 1 1 0 0 0 1 0 0 =
–   Heracles 0.6.161993+19
−19
(−2)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
55.3%
+8
62.3%
2322
1.52
1447
1 0 = 1 0 = 0 = 0 0 = 0 0 1 0 1 0 0 0 1 1 1 1 1 1 = 1 1 1 = = 0
–   Clueless 1.41990+18
−18
(−5)16 − 16
(+13−13=6)
50.0%
16.0 / 32
65.7%
−3
62.1%
2271
1.29
1411
1 1 0 0 0 0 0 = 0 1 = 1 0 0 = 1 0 1 = 1 0 1 0 1 = 1 0 = 1 1 1 0
–   Warrior 1.0.31987+17
−17
(−8)16 − 16
(+12−12=8)
50.0%
16.0 / 32
75.5%
−6
65.4%
2837
1.07
1856
1 0 = 0 0 0 0 0 1 1 1 1 = = 1 0 = 0 = 0 1 1 1 = 1 1 = = 1 0 0 0
–   Morphy 3.221974+17
−17
(−21)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
96.9%
−31
66.4%
2021
3.71
1342
= = = = 0 = = 0 1 0 = = 0 0 1 0 1 1 1 1 0 1 0 0 1 1 0 = 1 1 0 0
–   Eagle 0.7.51973+20
−20
(−22)12 − 20
(+8−16=8)
37.5%
12.0 / 32
96.1%
−112
59.3%
1909
1.14
1132
0 0 1 0 0 1 0 0 1 1 0 1 1 = = = 0 0 0 0 0 = 1 0 0 0 0 = = = 1 =
–   SnailChess 4.0131973+19
−19
(−22)24 − 8
(+20−4=8)
75.0%
24.0 / 32
96.6%
+158
87.1%
1828
2.01
1592
= 1 1 1 1 0 1 = 1 1 1 1 1 1 0 = 1 1 1 1 1 0 0 1 1 = = 1 = = 1 =
–   Celes 0.77c1921+20
−20
(−74)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−37
60.1%
2537
1.42
1526
= 0 0 1 0 0 1 0 = 0 0 0 0 1 1 = = 1 1 1 1 1 0 1 1 1 1 = 1 0 1 0
–   Simontacchi 1.811915+20
−20
(−80)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+114
64.0%
1955
0.88
1251
1 0 1 1 1 1 1 1 0 1 0 1 0 1 1 0 1 1 0 1 1 1 1 1 1 = 1 = = 0 1 1
–   Ranita 2.41907+20
−20
(−88)23.5 − 8.5
(+22−7=3)
73.4%
23.5 / 32
100.0%
+105
67.6%
2478
1.23
1676
1 = = 1 1 1 1 0 0 = 1 1 0 1 0 1 1 1 1 1 0 1 1 0 1 1 1 1 0 1 1 1
–   Cecir 3.51885+19
−19
(−110)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
100.0%
−36
60.8%
1917
1.11
1165
0 1 0 0 1 1 1 1 = = 1 = 1 1 0 1 0 = 1 1 0 = 1 = = 0 1 0 1 = = 1
–   Enigma 1.1.41879+21
−21
(−116)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
+33
59.8%
1447
1.37
866
1 1 1 = 1 = = 1 1 1 0 1 1 1 = 0 = = 1 1 = = 1 1 1 = = 0 1 1 0 1
–   Soldat 0.25b1873+17
−17
(−122)17 − 15
(+14−12=6)
53.1%
17.0 / 32
100.0%
−99
59.0%
2161
1.31
1276
0 1 1 1 = = 1 0 0 1 1 0 1 1 0 1 1 0 1 0 = 0 0 = = 0 0 0 1 1 = 1
–   Grizzly 1.40.1b1837+20
−20
(−158)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
0
59.1%
1945
1.28
1149
1 1 1 1 1 1 1 1 = 0 = 1 0 1 1 1 0 1 1 0 1 = 1 1 0 = = 1 1 1 0 0
–   Robin 0.9831834+20
−20
(−161)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
−13
62.6%
2227
1.00
1393
1 0 1 = 0 1 0 1 0 1 1 1 1 1 1 1 0 1 1 0 0 1 1 1 1 1 = = 1 = 0 1
–   Elf 1.3.01820+18
−18
(−175)25 − 7
(+23−5=4)
78.1%
25.0 / 32
100.0%
+56
62.6%
2318
1.26
1452
1 1 0 1 1 1 1 0 = 1 1 1 1 0 1 1 = 1 0 1 = 1 1 1 1 1 1 1 = 1 0 1
–   Laurifer 1.01815+18
−18
(−180)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−37
63.9%
1694
0.85
1082
= 0 1 = 1 1 1 1 = 1 0 = 1 = 1 = 0 1 0 1 1 1 1 1 1 1 = 0 = = 1 1
–   Kanguruh 1.931806+22
−22
(−189)23 − 9
(+22−8=2)
71.9%
23.0 / 32
100.0%
−2
60.5%
2687
1.27
1625
1 0 1 = 0 0 1 1 1 1 0 1 1 0 1 1 0 1 = 1 1 1 1 0 1 1 1 1 1 1 1 0
–   Aldebaran 0.7.01794+19
−19
(−201)25 − 7
(+20−2=10)
78.1%
25.0 / 32
100.0%
−6
62.0%
1472
0.91
913
1 1 = 1 1 1 1 0 1 = 1 1 = = = 1 1 = 1 1 0 1 1 = = = 1 1 1 = 1 1
–   Adamant 1.71790+19
−19
(−205)22.5 − 9.5
(+18−5=9)
70.3%
22.5 / 32
100.0%
−64
61.8%
1564
1.41
967
1 1 1 1 = 1 1 = 1 1 1 1 0 1 1 = 0 1 0 0 0 = = 1 1 = = = 1 1 = 1
–   SEE 0.6.91781+21
−21
(−214)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
−30
61.5%
2569
1.04
1579
1 0 1 1 1 1 0 1 = 0 0 1 1 1 = = 1 1 1 1 = 1 1 1 1 1 1 1 0 1 0 =
–   Mizar 3.01767+20
−20
(−228)27 − 5
(+25−3=4)
84.4%
27.0 / 32
100.0%
+62
58.0%
2452
1.36
1421
1 1 1 1 = 1 1 = 1 1 1 1 1 1 0 1 1 1 1 = 0 1 1 1 1 1 0 1 1 = 1 1
–   Belzebub 0.671744+22
−22
(−251)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
−25
61.5%
2102
1.11
1292
= 1 0 1 = 1 = = 1 1 1 1 1 1 1 1 = 0 1 = = 1 1 1 1 1 0 1 1 1 1 1
–   ALChess 1.5b1729+22
−22
(−266)27.5 − 4.5
(+27−4=1)
85.9%
27.5 / 32
100.0%
+82
63.4%
2322
0.92
1471
1 1 1 1 0 0 1 0 1 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 = 1 1

Performance

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

Perf = C − 0.061 [±0.177] * 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