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
Warrior 1.0.3 WB#157  (1987+17
−17		)Quote
Author: Aleksandrs Saveljevs (Latvia) Released: 2006-09-23Link: RWBC
This engine is stable and runs without issues.
This is the only Warrior version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit		Eval
diff
–   Matheus 2.32144+15
−15		(+157)7 − 25
(+3−21=8)
21.9%
7.0 / 32
0.0%
−49
58.1%
2227
0.47
1293
0 0 0 0 0 0 0 0 0 1 1 = = 0 0 = 0 0 0 0 0 1 = = 0 0 = 0 = 0 = 0
–   Bodo 0.2b2137+15
−15		(+150)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
+10
55.2%
1853
0.63
1022
1 0 0 = 0 1 1 = 0 0 = 0 0 0 0 0 0 = 1 1 = 0 0 0 1 0 1 0 0 0 0 =
–   Monarch 1.72131+16
−16		(+144)8 − 24
(+5−21=6)
25.0%
8.0 / 32
0.0%
−47
50.0%
2282
1.32
1142
1 = 0 0 = = 0 1 1 0 0 0 1 = 0 0 0 0 = 0 0 1 = 0 0 0 0 0 0 0 0 0
–   Bestia 0.902122+15
−15		(+135)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
+22
53.8%
2275
0.95
1225
1 0 0 0 = 1 0 1 0 0 0 0 1 1 = 0 1 0 = 0 0 1 = = = 0 0 = 0 = 0 0
–   Ax 0.82119+15
−15		(+132)11.5 − 20.5
(+10−19=3)
35.9%
11.5 / 32
0.0%
+16
  
0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 0 = 0 1 1 = 0 = 0 0 1 0 1
–   BigLion 2.23x2117+17
−17		(+130)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−26
51.2%
2862
0.76
1464
= 1 0 0 = 0 0 1 0 0 0 1 0 0 0 0 0 0 = 0 0 1 0 = 1 = 0 1 0 0 1 0
–   RDChess 3.232117+16
−16		(+130)13 − 19
(+12−18=2)
40.6%
13.0 / 32
0.0%
+52
56.5%
2835
1.13
1601
0 0 = 0 1 1 0 0 0 1 0 1 1 0 1 1 1 1 0 0 1 0 0 0 1 0 0 0 1 0 0 =
–   DelphiMax 2.92102+16
−16		(+115)10 − 22
(+6−18=8)
31.3%
10.0 / 32
0.0%
−19
58.2%
2209
0.65
1286
= 0 0 0 1 0 = = 1 0 0 0 0 0 = = 0 1 1 0 0 1 0 = 0 = 0 0 0 0 = 1
–   Armageddon 2.3082098+17
−17		(+111)10 − 22
(+4−16=12)
31.3%
10.0 / 32
0.0%
−9
53.8%
2108
0.90
1135
1 = = = 0 1 = 0 0 = 0 = 0 0 1 0 = 0 0 0 0 = = 0 1 0 0 = = 0 0 =
–   Requiem 0.532084+15
−15		(+97)9 − 23
(+1−15=16)
28.1%
9.0 / 32
0.0%
−31
55.6%
1016
0.73
565
0 0 = 0 0 0 = = = = = = = 0 = 0 = 0 = 0 = = 0 = = 0 1 0 0 0 0 =
–   Small Potato 0.6.12082+16
−16		(+95)10.5 − 21.5
(+9−20=3)
32.8%
10.5 / 32
0.0%
−46
53.2%
2635
0.80
1403
1 0 0 0 = 0 1 0 0 0 0 0 = 1 0 1 0 0 1 0 0 0 0 1 1 0 = 1 1 0 0 0
–   Elephant 1.062075+16
−16		(+88)14 − 18
(+13−17=2)
43.8%
14.0 / 32
0.0%
+35
52.5%
2755
0.69
1446
0 1 0 0 0 0 1 0 1 0 0 0 = 1 = 0 0 0 1 1 1 1 1 0 0 0 1 1 1 0 1 0
–   La Dame Blanche 2.0c2070+19
−19		(+83)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−42
52.1%
1654
1.25
861
= 0 1 0 0 0 1 0 = 0 0 1 1 1 0 0 = 0 0 0 = 0 0 = 0 = 0 0 0 1 1 =
–   Cilian 4.142069+16
−16		(+82)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
0.0%
+49
  
= 1 1 0 0 = 0 1 = = 0 = = 0 = 0 1 = 0 1 0 1 0 0 0 = 1 0 1 = 1 =
–   Etude 0.1.22063+19
−19		(+76)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.0%
−82
55.4%
2721
0.62
1508
0 0 1 0 1 0 = 0 0 0 0 0 = = 1 0 1 0 0 0 = 1 0 1 0 0 0 0 0 1 = 0
–   Gullydeckel 2.16pl12062+19
−19		(+75)11 − 21
(+7−17=8)
34.4%
11.0 / 32
0.0%
−35
57.5%
2218
0.58
1275
= = 0 0 0 = 0 0 0 = 1 = 0 1 1 0 0 1 1 0 0 0 = 0 0 1 0 = 0 0 = 1
–   JanWillem 1.132062+16
−16		(+75)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−52
50.7%
2231
0.95
1131
1 1 = 0 0 = 1 1 0 0 0 1 0 0 0 0 1 = 0 0 1 0 0 = = 0 0 = 0 0 0 =
–   Marvin 1.3.02054+16
−16		(+67)15.5 − 16.5
(+11−12=9)
48.4%
15.5 / 32
0.0%
+57
55.4%
2363
0.73
1308
0 0 0 1 0 1 1 1 = = 1 0 0 = 0 1 1 = 1 = 1 = = = = 0 0 1 1 0 0 0
–   Matant 5.042053+17
−17		(+66)19 − 13
(+13−7=12)
59.4%
19.0 / 32
0.0%
+128
52.7%
1404
0.87
740
1 = = 0 0 = 1 = 1 = 0 1 1 0 1 1 1 = 0 0 1 1 0 = 1 = = = 1 = = 1
–   SSEChessII 2.05 DC2049+17
−17		(+62)10.5 − 21.5
(+7−18=7)
32.8%
10.5 / 32
0.0%
−63
49.6%
2757
1.03
1367
0 0 = 0 1 0 = 0 0 0 1 0 1 1 1 0 = = 0 0 1 0 0 = 0 0 = 0 1 = 0 0
–   Faile 1.4.42042+15
−15		(+55)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
−2
56.8%
2585
0.48
1467
0 = 0 1 = 0 = 0 0 1 1 0 0 0 0 1 0 1 = = 0 = 1 1 = 0 1 0 1 0 0 1
–   Smash 1.0.32036+17
−17		(+49)14.5 − 17.5
(+11−14=7)
45.3%
14.5 / 32
0.0%
+17
54.5%
2312
0.69
1261
1 0 0 0 0 0 1 0 = 1 = 1 0 1 0 = 0 0 = 1 = 1 0 1 = 0 1 1 0 1 = 0
–   Micro-Max 4.8 PIV DM2028+17
−17		(+41)16 − 16
(+10−10=12)
50.0%
16.0 / 32
0.0%
+40
76.1%
1893
0.94
1440
= = 0 0 = 0 0 = 1 = = 0 = = = 1 1 0 0 0 1 1 = 1 0 = 1 1 0 1 = 1
–   Sharper 0.172022+16
−16		(+35)16 − 16
(+11−11=10)
50.0%
16.0 / 32
0.1%
+36
53.2%
1964
0.65
1045
= = 1 0 = = 1 1 0 1 1 0 1 = 1 = 0 1 1 0 1 1 0 = = = 0 0 0 0 = 0
–   Mustang 4.972021+17
−17		(+34)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
0.1%
+86
55.6%
1497
0.66
833
1 0 1 = 1 0 = 1 1 = = 1 0 1 0 0 0 1 = 1 0 0 = 1 = 1 1 = = 1 = =
–   Rival UCI 1.182021+17
−17		(+34)16 − 16
(+13−13=6)
50.0%
16.0 / 32
0.1%
+31
53.2%
2429
0.83
1292
0 1 0 1 0 = 1 0 1 = 1 1 1 0 = 0 0 1 0 = 0 = 1 = 1 0 0 0 1 1 0 1
–   BibiChess 0.52007+16
−16		(+20)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
3.2%
−12
  
0 1 = = 1 0 = 0 0 = 0 0 1 1 1 0 0 1 1 0 = 1 = 1 1 = 0 0 = = 0 0
–   IACH 0.56z1995+18
−18		(+8)16 − 16
(+12−12=8)
50.0%
16.0 / 32
24.5%
+6
65.4%
2837
1.07
1856
0 1 = 1 1 1 1 1 0 0 0 0 = = 0 1 = 1 = 1 0 0 0 = 0 0 = = 0 1 1 1
–   Heracles 0.6.161993+19
−19		(+6)13 − 19
(+9−15=8)
40.6%
13.0 / 32
30.0%
−59
53.6%
2201
0.91
1180
= 0 0 1 0 1 1 0 0 0 1 1 0 = = 0 0 0 1 0 1 0 1 = 1 0 = 0 = = = 0
–   Clueless 1.41990+18
−18		(+3)14.5 − 17.5
(+13−16=3)
45.3%
14.5 / 32
39.4%
−33
50.9%
2941
1.21
1497
1 0 1 1 0 0 0 0 1 1 1 1 0 0 = 0 1 1 1 0 = 0 0 0 0 0 = 1 1 0 1 0
–   Morphy 3.221974+17
−17		(−13)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
88.7%
−3
55.0%
2492
3.10
1370
1 1 1 0 = 0 = 1 0 0 1 1 0 0 1 = 1 = 1 0 = 1 = 0 = 1 1 1 0 0 0 0
–   Eagle 0.7.51973+20
−20		(−14)15 − 17
(+12−14=6)
46.9%
15.0 / 32
87.5%
−37
47.6%
2712
0.99
1291
0 1 0 0 0 1 1 1 0 = 1 1 0 0 0 1 = = 0 0 1 0 = 0 1 1 = 0 1 = 1 0
–   SnailChess 4.0131973+19
−19		(−14)17 − 15
(+14−12=6)
53.1%
17.0 / 32
88.5%
+9
75.9%
2126
1.92
1614
0 1 1 0 0 1 0 1 1 0 1 = = 0 1 1 1 1 0 1 0 1 = 1 = = 1 0 0 = 0 0
–   Celes 0.77c1921+20
−20		(−66)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
100.0%
−29
50.8%
2395
1.23
1217
1 1 0 = 1 1 1 0 0 0 0 1 1 0 = 0 0 0 = 1 1 1 0 0 1 = 0 1 = 1 1 1
–   Simontacchi 1.811915+20
−20		(−72)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
+4
56.4%
2358
0.52
1331
1 0 = 0 1 1 = 0 1 0 0 0 = 1 0 1 1 0 1 1 = 0 1 1 0 1 1 1 1 1 1 0
–   Ranita 2.41907+20
−20		(−80)18 − 14
(+14−10=8)
56.3%
18.0 / 32
100.0%
−35
60.5%
2404
0.67
1454
1 1 = 0 0 = 0 1 1 0 1 0 = 0 1 1 0 0 1 1 = = 1 1 = 1 1 = 0 = 0 1
–   Cecir 3.51885+19
−19		(−102)18.5 − 13.5
(+16−11=5)
57.8%
18.5 / 32
100.0%
−45
52.0%
2673
0.75
1390
1 1 1 = 1 1 0 = 1 1 1 1 0 1 0 0 1 0 1 1 0 0 1 0 1 1 0 = 0 = 0 =
–   Enigma 1.1.41879+21
−21		(−108)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
+42
47.1%
2112
1.17
994
1 = 1 1 1 1 1 = = 1 1 0 1 1 = 1 1 0 1 0 1 = = = 1 = 0 = 1 = 1 1
–   Soldat 0.25b1873+17
−17		(−114)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+5
50.3%
1932
0.61
972
1 1 0 = 0 0 1 1 1 = 1 0 1 1 1 0 = 1 = = = = 1 1 1 1 0 1 = 1 1 =
–   Grizzly 1.40.1b1837+20
−20		(−150)23 − 9
(+21−7=4)
71.9%
23.0 / 32
100.0%
+24
51.7%
1834
0.53
948
1 1 0 0 1 1 1 1 1 1 0 = 1 1 0 0 = 1 0 1 1 1 1 = 1 1 1 1 1 0 1 =
–   Robin 0.9831834+20
−20		(−153)23 − 9
(+18−4=10)
71.9%
23.0 / 32
100.0%
−3
54.4%
1965
0.64
1068
0 1 = 0 = 1 1 = 0 = = 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 = = 1 = = =
–   Elf 1.3.01820+18
−18		(−167)27.5 − 4.5
(+26−3=3)
85.9%
27.5 / 32
100.0%
+154
56.3%
2316
0.58
1305
1 1 1 1 1 1 = 1 = 1 1 1 1 = 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0
–   Laurifer 1.01815+18
−18		(−172)24.5 − 7.5
(+21−4=7)
76.6%
24.5 / 32
100.0%
+25
55.0%
1788
0.78
983
= 1 1 1 1 1 1 0 1 1 1 0 1 1 0 = 1 1 1 1 = 1 1 = = 1 = 1 0 1 = 1
–   Kanguruh 1.931806+22
−22		(−181)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
+63
49.9%
2222
0.89
1109
1 1 1 0 1 1 0 = 1 1 1 1 1 = 0 1 = 1 1 1 1 1 1 1 = 1 1 1 = = 1 1
–   Aldebaran 0.7.01794+19
−19		(−193)22 − 10
(+17−5=10)
68.8%
22.0 / 32
100.0%
−65
54.5%
1577
0.66
860
1 = 1 1 0 = = 1 1 1 1 = = 1 1 1 1 0 1 = = 1 1 = = 0 1 1 0 0 = 1
–   Adamant 1.71790+19
−19		(−197)24 − 8
(+20−4=8)
75.0%
24.0 / 32
100.0%
−16
57.4%
1733
0.69
994
= 1 1 1 1 1 0 1 1 1 1 = = 1 1 = 0 0 1 1 1 1 = 0 = 1 1 1 = 1 1 =
–   SEE 0.6.91781+21
−21		(−206)25.5 − 6.5
(+23−4=5)
79.7%
25.5 / 32
100.0%
+32
50.5%
2488
0.82
1256
= 1 1 1 = = 1 1 = 1 1 1 1 0 0 1 1 1 1 1 1 1 1 1 1 0 1 1 0 = 1 1
–   Mizar 3.01767+20
−20		(−220)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
−54
45.7%
2485
1.10
1135
1 1 = 1 1 1 1 0 = 1 1 = 0 = 1 1 1 1 0 = 1 1 1 1 = 1 1 1 0 0 1 0
–   Belzebub 0.671744+22
−22		(−243)24 − 8
(+22−6=4)
75.0%
24.0 / 32
100.0%
−40
52.3%
2438
1.30
1274
1 0 1 1 0 1 1 0 1 1 1 1 1 = = 1 1 0 1 1 1 1 = 1 1 1 0 1 0 = 1 1
–   ALChess 1.5b1729+22
−22		(−258)26 − 6
(+23−3=6)
81.3%
26.0 / 32
100.0%
−14
54.2%
1778
0.42
963
1 = = 1 0 1 1 1 1 1 1 = 1 1 = 1 1 1 0 1 0 1 1 1 = = 1 1 1 1 1 1
1600 games in total: 634 wins, 611 losses, 355 draws (22.2%), score: 50.7%
Average opponent: −7.4 (1979.6), average distance to opponent: 101.6

Performance

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

Perf = C − 0.021 [±0.113] * 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