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
Gaia 3.5 64-bit UCI#52–54  (2536+17
−17
)Quote
Authors: Jean Francois Romang (France), David Rabel (France) Released: 2006-06-28Link: Homepage
This engine is stable and runs without issues.
This is the only Gaia version we tested.
OpponentEloDiffResultsScoreLOSPerfPond
hit
Eval
diff
–   Ktulu 4.22634+17
−17
(+98)12 − 20
(+7−15=10)
37.5%
12.0 / 32
0.0%
+10
60.1%
2076
1.04
1248
= 0 0 0 1 1 = = 0 0 1 = 0 0 0 1 1 = 0 = 1 0 0 = 0 = 0 0 1 = 0 =
–   Thinker 4.7a2634+17
−17
(+98)12.5 − 19.5
(+9−16=7)
39.1%
12.5 / 32
0.0%
+18
52.0%
2912
0.78
1515
1 0 0 1 = 0 1 0 1 1 0 1 0 0 = 0 1 = = 0 1 = 1 0 0 0 0 0 0 0 = =
–   SmarThink 0.17a2633+16
−16
(+97)10 − 22
(+7−19=6)
31.3%
10.0 / 32
0.0%
−44
50.4%
2566
0.91
1292
0 0 1 0 0 0 1 0 1 1 1 0 = = 1 0 0 1 0 0 0 = = = 0 0 0 0 = 0 0 0
–   Ufim 8.022628+18
−18
(+92)13 − 19
(+11−17=4)
40.6%
13.0 / 32
0.0%
+17
57.2%
2924
1.00
1673
1 0 1 1 = 0 0 0 1 = 0 1 1 0 1 0 = 0 0 1 1 0 0 1 0 0 0 1 = 0 0 0
–   Trace 1.37a2622+17
−17
(+86)17 − 15
(+13−11=8)
53.1%
17.0 / 32
0.0%
+106
53.4%
1947
0.83
1040
0 0 0 = 1 1 1 = = 1 0 0 1 = 0 = 0 1 0 1 = 1 0 1 0 0 1 1 1 = = 1
–   AnMon 5.602621+18
−18
(+85)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
+25
54.4%
2822
0.66
1535
1 1 0 = 1 0 0 0 1 0 0 1 0 0 = = 0 1 1 1 0 0 0 = 1 1 0 0 = 0 0 1
–   Little Goliath 3.12 Evolution (TB Off)2614+17
−17
(+78)12 − 20
(+9−17=6)
37.5%
12.0 / 32
0.0%
−15
55.6%
2477
1.22
1377
= 0 0 = 1 = 0 0 = 1 0 = 1 0 0 0 1 1 0 0 1 0 0 1 0 0 1 0 = 0 0 1
–   Yace 0.99.872609+17
−17
(+73)13.5 − 18.5
(+10−15=7)
42.2%
13.5 / 32
0.0%
+16
56.8%
2762
0.71
1570
0 = 0 = 1 1 = 1 = 0 1 0 = 0 = 0 0 0 0 1 1 0 0 = 1 1 1 0 0 1 0 0
–   Little Goliath 3.12 Evolution (TB On)2607+19
−19
(+71)15 − 17
(+8−10=14)
46.9%
15.0 / 32
0.0%
+49
55.1%
1644
1.13
906
1 1 = = 1 = = = 0 0 = = 1 = 0 0 0 0 0 1 = = 1 = 0 = 0 = 1 1 = 0
–   Pepito 1.59 32-bit2595+19
−19
(+59)14.5 − 17.5
(+9−12=11)
45.3%
14.5 / 32
0.0%
+28
56.6%
2282
0.69
1292
= = = 0 1 0 0 0 = = = 1 1 = 0 0 1 = 1 0 1 0 1 0 1 = = = 0 0 0 1
–   Bruja 1.9 64-bit JA No-int-book2584+18
−18
(+48)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
0.0%
−11
56.6%
2641
0.74
1495
0 0 0 = 1 0 1 1 0 1 0 = 1 1 0 = 0 0 = 0 0 1 0 0 0 1 = 1 0 1 0 1
–   Green Light Chess 3.002582+17
−17
(+46)14.5 − 17.5
(+8−11=13)
45.3%
14.5 / 32
0.0%
+17
60.0%
2100
0.72
1260
0 1 = 0 0 = = = 0 = 0 = 1 0 = 0 1 = = 1 1 0 1 0 = 1 0 = = = 0 1
–   Tao 5.62574+17
−17
(+38)14.5 − 17.5
(+12−15=5)
45.3%
14.5 / 32
0.1%
+1
54.4%
2857
0.90
1554
0 1 0 0 = = 0 1 0 0 = 1 1 0 1 0 1 = 1 0 0 1 0 0 1 0 = 1 1 0 0 1
–   Cerebro 3.03d2572+19
−19
(+36)9.5 − 22.5
(+7−20=5)
29.7%
9.5 / 32
0.2%
−121
54.0%
2752
0.89
1486
0 1 0 0 0 1 = = 0 0 0 0 1 = = 1 0 0 0 = 0 1 0 0 0 0 0 0 1 0 0 1
–   Twisted Logic 20080404x2568+18
−18
(+32)15 − 17
(+13−15=4)
46.9%
15.0 / 32
0.4%
+7
52.3%
3243
0.90
1697
0 0 0 1 1 0 1 1 1 0 0 0 = 1 1 0 1 1 0 = 0 0 1 0 = 1 0 0 0 1 1 =
–   Arasan 10.0 64-bit2564+17
−17
(+28)14.5 − 17.5
(+10−13=9)
45.3%
14.5 / 32
0.9%
−4
58.9%
2638
0.75
1555
0 1 1 0 0 1 1 0 0 = = 1 = = = = 1 0 1 0 1 0 = 0 = 0 0 1 0 0 1 =
–   Abrok 5.02561+17
−17
(+25)16.5 − 15.5
(+13−12=7)
51.6%
16.5 / 32
1.4%
+37
60.5%
2795
0.65
1692
1 1 0 0 1 = = 0 1 1 1 0 = 1 = 1 0 0 0 = = 1 1 1 0 0 1 0 0 0 = 1
–   Amyan 1.5972552+17
−17
(+16)13.5 − 18.5
(+11−16=5)
42.2%
13.5 / 32
7.9%
−42
58.5%
2687
0.63
1571
0 0 1 1 = 1 0 1 1 0 0 0 = 1 0 0 0 0 0 1 1 0 0 = 0 1 = = 1 1 0 0
–   Matacz 1.3 HT74 5-men-egbb2551+18
−18
(+15)14 − 18
(+8−12=12)
43.8%
14.0 / 32
10.9%
−24
57.2%
1917
0.83
1096
0 = = 1 0 = = = 1 = 0 0 1 0 = = = 0 0 0 = 0 0 1 0 = 1 = 0 1 1 1
–   SpiderChess 0706032546+17
−17
(+10)17.5 − 14.5
(+15−12=5)
54.7%
17.5 / 32
18.4%
+46
55.1%
2781
0.74
1532
0 1 1 0 0 1 0 1 1 0 = 1 1 0 = = 0 1 1 = 1 0 1 = 0 1 1 0 0 1 0 1
–   Quark 2.352536+16
−16
(0)14 − 18
(+12−16=4)
43.8%
14.0 / 32
50.5%
−50
54.9%
2965
1.01
1629
1 0 0 1 0 1 0 1 0 = 1 0 0 = 0 1 1 = 0 0 1 1 = 1 1 0 0 0 1 0 0 0
–   King of Kings 2.562536+18
−18
(0)15.5 − 16.5
(+12−13=7)
48.4%
15.5 / 32
49.3%
−10
53.4%
2592
1.04
1383
0 1 1 1 1 0 0 1 0 0 0 = 0 = 0 0 1 0 = 0 0 1 = 1 1 = = = 1 1 1 0
–   LambChop 10.992531+17
−17
(−5)13 − 19
(+10−16=6)
40.6%
13.0 / 32
67.7%
−74
52.5%
3312
0.91
1740
1 1 0 1 1 1 = 0 = 0 0 0 0 0 1 0 1 = 0 = 0 0 = 0 1 0 0 1 0 = 1 0
–   Dragon 4.62524+16
−16
(−12)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
85.3%
+20
58.0%
2362
0.77
1369
1 0 0 1 0 1 1 = = 1 0 0 0 = 1 0 1 1 1 = = 1 1 0 0 = 0 = 1 1 1 0
–   Nejmet 3.072521+16
−16
(−15)14 − 18
(+11−15=6)
43.8%
14.0 / 32
91.1%
−62
57.5%
2488
0.82
1431
0 0 0 0 = 1 1 0 = 1 0 1 = 0 1 1 1 0 0 0 0 1 0 = = 0 1 1 0 0 1 =
–   Snitch 1.6.2 32-bit2521+15
−15
(−15)17 − 15
(+13−11=8)
53.1%
17.0 / 32
91.8%
+9
56.9%
2519
0.80
1433
0 1 = 1 = 1 = 1 1 1 = 1 1 0 0 1 0 0 0 0 1 0 = = 1 1 = 0 0 0 1 =
–   RomiChess P3k 64-bit2502+18
−18
(−34)12 − 20
(+9−17=6)
37.5%
12.0 / 32
99.7%
−129
62.1%
2907
0.97
1804
0 0 0 = 0 = 1 0 0 0 = = 0 1 1 1 0 = 0 0 0 = 1 1 0 0 0 0 1 0 1 1
–   Amy 0.8.7b DC2500+17
−17
(−36)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
99.9%
−1
52.4%
2765
0.96
1450
1 = 0 1 0 0 1 = = 0 1 0 1 1 0 0 1 = = 0 1 1 0 = = 1 1 1 1 0 1 0
–   KnightDreamer 3.32499+16
−16
(−37)19 − 13
(+16−10=6)
59.4%
19.0 / 32
99.9%
+31
50.8%
3220
0.79
1635
1 1 0 0 1 0 1 1 1 1 = 1 1 1 0 = = 0 0 0 = 1 0 0 1 = 1 1 = 1 0 1
–   Francesca MAD 0.13 Nobook2493+19
−19
(−43)21 − 11
(+20−10=2)
65.6%
21.0 / 32
100.0%
+87
59.6%
3281
0.78
1956
1 0 0 0 1 1 1 1 0 1 1 0 1 1 0 1 0 = 1 1 1 1 1 0 0 1 1 1 0 1 = 1
–   Leila 0.53h2490+17
−17
(−46)17.5 − 14.5
(+14−11=7)
54.7%
17.5 / 32
100.0%
−11
55.8%
2325
0.82
1297
1 0 1 0 1 1 0 = = 0 0 1 = 1 = 0 0 1 0 = 1 = 0 1 1 = 1 0 1 1 0 1
–   Diablo 0.5.1 JA2482+16
−16
(−54)16 − 16
(+12−12=8)
50.0%
16.0 / 32
100.0%
−52
56.4%
2559
0.59
1443
= = 1 = 1 0 0 = = 0 0 0 0 0 1 1 1 = 1 = 1 1 0 1 0 0 = 1 0 1 1 0
–   PostModernist 10162480+16
−16
(−56)14 − 18
(+7−11=14)
43.8%
14.0 / 32
100.0%
−96
63.0%
1642
0.66
1034
= = 1 = 1 0 0 1 = = 0 0 1 = 1 0 = 0 1 = 0 = 1 0 = = = = 0 0 0 =
–   Djinn 0.925x2479+16
−16
(−57)17 − 15
(+11−9=12)
53.1%
17.0 / 32
100.0%
−36
59.1%
1855
0.59
1097
= = = = 1 0 1 0 0 0 0 = 1 1 = 1 1 1 1 = = 1 = 1 1 0 = = 0 = 0 0
–   Comet B682478+14
−14
(−58)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+115
56.7%
2360
0.83
1339
1 1 0 0 1 = 1 1 0 = 1 1 1 0 1 1 = = 1 1 1 1 1 1 1 0 = 1 = 1 = 1
–   Sjeng 12.132475+14
−14
(−61)19 − 13
(+17−11=4)
59.4%
19.0 / 32
100.0%
+12
55.0%
2773
1.01
1524
1 1 0 = 0 0 1 1 1 1 1 1 = 1 1 1 1 0 0 1 0 1 = 0 0 1 0 1 0 = 1 0
–   Muse 0.899b2474+16
−16
(−62)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
+85
54.5%
2618
0.92
1427
1 0 1 0 = 1 = 0 1 1 1 1 1 1 1 1 0 0 1 = 1 0 1 0 0 1 1 1 1 1 = 1
–   Queen 4.032466+17
−17
(−70)20 − 12
(+16−8=8)
62.5%
20.0 / 32
100.0%
+18
57.5%
2091
0.75
1202
1 1 = = = 0 0 0 1 0 1 = 0 0 1 = = 1 1 = 1 1 1 1 1 0 0 1 = 1 1 1
–   The Crazy Bishop 00522460+15
−15
(−76)18.5 − 13.5
(+14−9=9)
57.8%
18.5 / 32
100.0%
−22
59.7%
2278
0.61
1360
0 1 = 1 0 0 1 = 1 = 1 1 0 = 0 0 = = 0 1 = = = 0 1 1 1 0 1 1 1 1
–   Patzer 3.802460+16
−16
(−76)20 − 12
(+15−7=10)
62.5%
20.0 / 32
100.0%
+8
53.7%
1791
1.21
962
1 0 0 = 0 0 = 1 1 1 = 1 1 1 = = 1 0 = 1 1 = 1 1 1 0 = = 1 = 0 1
–   Der Bringer 1.92455+15
−15
(−81)21 − 11
(+17−7=8)
65.6%
21.0 / 32
100.0%
+29
54.3%
2694
0.71
1462
1 = 1 1 1 1 = 1 = = 1 1 0 0 1 = = 0 0 1 1 0 = 1 1 1 0 0 1 1 = 1
–   Betsy 6.51 Nobook2450+15
−15
(−86)21.5 − 10.5
(+17−6=9)
67.2%
21.5 / 32
100.0%
+33
58.8%
2275
0.66
1338
1 0 1 0 = 1 1 0 = 1 = 1 = 1 = 1 1 = 1 0 = 1 0 = 1 1 = 1 0 1 1 1

Performance

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

Perf = C + 0.042 [±0.278] * 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