CCRL 40/4
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 2'140'277 games
played by 2'505 programs
29019 CPU days (X2 4600+)

White wins: 829'307 (38.7%)
Black wins: 669'765 (31.3%)
Draws: 641'205 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 selected engines played 64 games with each other

CCRL 40/4 Rating List — Custom engine selection (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on November 30, 2019 with Bayeselo based on 2'140'277 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Delfi 5.42682+7−748.6%+12.331.0%8855 
100.0%
 Delfi 5.12615+12−1251.3%−9.929.8%2671
77.8%
 Delfi 5.22609+11−1143.3%+47.030.3%3133
100.0%
 Delfi 5.02576+15−1539.5%+78.431.1%1562
 

Results matrix

Custom engine selection
#NameElo1234
1Delfi 5.42682    
2Delfi 5.12615  32.5 − 31.5
+19−18=27
−2
 
3Delfi 5.22609 31.5 − 32.5
+18−19=27
+2
  
4Delfi 5.02576    
Performance color legend:
(Only pairs with at least 30 games)
-120 -100 -80 -60 -40 -20 0 20 40 60 80 100 120

LOS matrix

Custom engine selection
#NameElo1234
1Delfi 5.42682 100.0100.0100.0
2Delfi 5.126150.0 77.8100.0
3Delfi 5.226090.022.2 100.0
4Delfi 5.025760.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Delfi 5.42682 232528411448
2Delfi 5.126152325 32171769
3Delfi 5.2260928413217 1191
4Delfi 5.02576144817691191 
Number of connecting games color legend:
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000

Percentage of connecting games matrix

Custom engine selection
#NameElo1234
1Delfi 5.42682 20.223.713.9
2Delfi 5.1261520.2 55.441.8
3Delfi 5.2260923.755.4 25.4
4Delfi 5.0257613.941.825.4 
Percentage of connecting games color legend:
0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100

Score with 60 common opponents

Custom engine selection
NameEloDelfi
5.4
Delfi
5.1
Delfi
5.2
Delfi
5.0
Rybka 1.0 64-bit2852 28%
9/32
19%
6/32
27%
8.5/32
Rybka 1.0 32-bit279132%
15.5/49
17%
5.5/32
 18%
5.5/31
Hiarcs 112790 33%
10.5/32
 13%
4/31
Fruit 2.3278229%
10/34
34%
11/32
24%
7.5/31
 
Fruit 2.3.1278033%
1/3
 33%
1/3
 
Loop 13.6 (Loop 2007) 32-bit277538%
11.5/30
 24%
20/83
 
Toga II 1.2.1a 32-bit276230%
15/50
19%
6/32
 29%
10/34
Glaurung 2.0.1 64-bit274031%
10.5/34
27%
8.5/32
40%
34/85
 
Naum 2.1 32-bit2738 28%
9/32
34%
11/32
33%
10/30
Spike 1.2 Turin273148%
46.5/96
31%
20/64
29%
35/120
23%
7/30
Chess Tiger 2007.1271350%
1/2
33%
10.5/32
35%
17/48
 
Chess Tiger 2007270067%
8/12
  30%
9.5/32
Naum 2.0 32-bit269942%
20.5/49
50%
16/32
37%
13/35
52%
16.5/32
Frenzee Feb08 64-bit269453%
34/64
 29%
17/58
 
Naum 2.0 64-bit269356%
36/64
41%
13/32
34%
11/32
28%
9/32
Bright 0.2c268757%
19.5/34
34%
11/32
30%
20/66
 
Alaric 707266357%
72/127
37%
23.5/64
33%
22/66
 
Glaurung 1.2.1 32-bit265744%
22/50
38%
24.5/64
49%
17/35
56%
18/32
Glaurung 1.2.1 64-bit2655 45%
14.5/32
 39%
12.5/32
Scorpio 2.0 32-bit265557%
19.5/34
42%
13.5/32
43%
29/67
 
NameEloDelfi
5.4
Delfi
5.1
Delfi
5.2
Delfi
5.0
CM10th Paralyse2654 44%
14/32
36%
12.5/35
 
Scorpio 1.92641  67%
2/3
33%
10.5/32
Scorpio 1.912640 46%
24/52
36%
17.5/48
45%
4.5/10
CM10th Xperience2638  50%
1/2
32%
10/31
E.T. Chess 13.01.08263461%
47.5/78
 52%
33.5/64
 
Alfil 8.1.1 Optimized262564%
49/76
 55%
17.5/32
 
WildCat 8262359%
43.5/74
 44%
29/66
 
Movei 00.8.438 (10 10 10)262254%
42.5/79
39%
12.5/32
50%
15.5/31
 
Frenzee 3.0 64-bit2614 41%
13/32
41%
13/32
 
Slow Chess Blitz WV2.1261463%
79.5/126
52%
16.5/32
45%
53.5/118
45%
14.5/32
Colossus 2007d261056%
19/34
50%
16/32
44%
15.5/35
 
ProDeo 1.2260862%
18.5/30
45%
13.5/30
 49%
30/61
ProDeo 1.6260865%
22/34
 44%
46/104
 
WildCat 72606 53%
50.5/96
53%
61.5/116
45%
14/31
Pharaon 3.5.1260364%
23/36
62%
20/32
51%
34/67
44%
27.5/63
Zappa 1.1 64-bit260369%
42.5/62
55%
27.5/50
44%
14/32
59%
19/32
List 5.12259172%
24.5/34
51%
31.5/62
52%
32.5/63
34%
10.5/31
ProDeo 1.1258766%
21/32
  37%
11/30
Colossus 2007c2586 67%
21.5/32
64%
20.5/32
 
Ruffian 1.0.5258563%
40.5/64
57%
36.5/64
64%
20.5/32
44%
14/32
NameEloDelfi
5.4
Delfi
5.1
Delfi
5.2
Delfi
5.0
Pseudo 0.7c257571%
32.5/46
62%
20/32
66%
21/32
62%
18.5/30
SOS 5.1257367%
51/76
62%
40/64
62%
20/32
47%
14.5/31
Colossus 2007b2570 58%
18.5/32
50%
16/32
 
Aristarch 4.50256666%
20.5/31
70%
22.5/32
58%
18.5/32
56%
18/32
Petir 4.392566 53%
34/64
62%
20/32
 
Booot 4.13.12564 67%
43/64
57%
17/30
 
Hamsters 0.62559 45%
14.5/32
62%
20/32
 
Jonny 2.83 32-bit255167%
20/30
61%
19.5/32
62%
20/32
 
BugChess2 1.5.22547 58%
18.5/32
61%
19.5/32
 
The Baron 1.8.12544 64%
20.5/32
52%
16/31
 
Crafty 21.5 64-bit2543 56%
18/32
53%
17/32
 
Ufim 8.02254076%
23.5/31
61%
19.5/32
  
Fritz 5.322539 47%
15/32
64%
18.5/29
0%
0/1
SmarThink 0.17a253665%
19.5/30
73%
23.5/32
 50%
16/32
Frenzee 2.02532 55%
17/31
 25%
0.5/2
Petir 3.99d2524 66%
21/32
 55%
17.5/32
Little Goliath Evolution 3.12250448%
14.5/30
70%
21/30
  
Petir 3.952501 70%
22.5/32
 60%
18/30
Trace 1.37a2500100%
1/1
  80%
8/10
Crafty 19.19 32-bit2486 61%
19/31
 75%
3/4
Score color legend:
(Only pairs with at least 30 games)
0% 5% 10% 15% 20% 25% 30% 35% 40% 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 100%

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Rating list
Testing profile
  (Step: , Numbers: )

Results table
Performance table
Score table
LOS table
Proportion of draws
Number of games
Number of connecting games
Percentage of connecting games
Score with common opponents
Score with all opponents
Performance with common opponents
Performance with all opponents
LOS with common opponents
LOS with all opponents

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Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on November 30, 2019