CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
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 October 19, 2019 with Bayeselo based on 2'120'567 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+
1Hamsters 0.7.12578+8−848.0%+14.830.7%6696 
99.4%
 Hamsters 0.62559+13−1350.2%−1.830.9%2020
100.0%
 Hamsters 0.52484+18−1847.4%+16.227.6%1108
97.6%
 Hamsters 0.42447+32−3337.9%+88.726.0%350
 

Results matrix

Custom engine selection
#NameElo1234
1Hamsters 0.7.12578    
2Hamsters 0.62559  39.5 − 24.5
+28−13=23
0
 
3Hamsters 0.52484 24.5 − 39.5
+13−28=23
0
  
4Hamsters 0.42447    
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
1Hamsters 0.7.12578 99.4100.0100.0
2Hamsters 0.625590.6 100.0100.0
3Hamsters 0.524840.00.0 97.6
4Hamsters 0.424470.00.02.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Hamsters 0.7.12578 31531270162
2Hamsters 0.625593153 1748256
3Hamsters 0.5248412701748 255
4Hamsters 0.42447162256255 
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
1Hamsters 0.7.12578 36.216.32.3
2Hamsters 0.6255936.2 55.910.8
3Hamsters 0.5248416.355.9 17.5
4Hamsters 0.424472.310.817.5 
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 52 common opponents

Custom engine selection
NameEloHamsters
0.7.1
Hamsters
0.6
Hamsters
0.5
Hamsters
0.4
Frenzee Feb08 64-bit269433%
10/30
35%
8.5/24
  
Alaric 707266334%
22/64
  11%
3.5/32
Colossus 2008b264141%
26.5/64
28%
9.5/34
  
Cyrano 0.6b17 64-bit264140%
25.5/64
35%
12/34
  
E.T. Chess 13.01.08263441%
26.5/64
32%
20.5/64
  
Alfil 8.1.1 Optimized262540%
25/63
34%
11/32
  
WildCat 8262346%
29.5/64
39%
25.5/66
  
Movei 00.8.438 (10 10 10)262252%
33/64
30%
9.5/32
  
Delfi 5.12615 55%
17.5/32
 33%
10.5/32
Slow Chess Blitz WV2.1261442%
27/64
42%
13.5/32
  
ProDeo 1.6260844%
15/34
56%
18/32
  
WildCat 72606 39%
12.5/32
 30%
9.5/32
Pharaon 3.5.1260350%
17/34
45%
14.5/32
  
Zappa 1.1 64-bit260348%
30.5/64
47%
15/32
  
GarboChess 2.10 64-bit259893%
28/30
34%
11/32
  
List 5.12259154%
18.5/34
62%
20/32
  
Ruffian 1.0.5258552%
33.5/64
41%
13/32
  
Pseudo 0.7c257554%
34.5/64
42%
13.5/32
  
SOS 5.1257358%
37/64
39%
12.5/32
  
Aristarch 4.50256650%
32/64
53%
17/32
  
NameEloHamsters
0.7.1
Hamsters
0.6
Hamsters
0.5
Hamsters
0.4
Petir 4.392566 50%
16/32
36%
11.5/32
41%
13/32
Booot 4.13.1256446%
15.5/34
45%
14.5/32
33%
10.5/32
28%
9/32
Petir 4.999999255555%
35.5/64
50%
16/32
32%
6.5/20
 
The Baron 2.23 64-bit255556%
18.5/33
35%
12/34
  
Jonny 2.83 32-bit255167%
43/64
67%
21.5/32
34%
11/32
 
BugChess2 1.5.2254846%
15.5/34
53%
17/32
33%
10.5/32
 
Anaconda 2.0.1254565%
22/34
59%
19/32
44%
14/32
 
Ktulu 4.2254556%
34/61
48%
15.5/32
30%
9.5/32
 
The Baron 1.8.12544 52%
16.5/32
56%
18/32
 
Crafty 21.5 64-bit254363%
21.5/34
59%
19/32
39%
12.5/32
 
Fritz 5.32254059%
20/34
52%
16.5/32
62%
20/32
 
Ufim 8.02254052%
33.5/64
48%
15.5/32
48%
15.5/32
 
SmarThink 0.17a253655%
35.5/64
59%
19/32
36%
11.5/32
 
Thinker 4.7a253557%
19.5/34
48%
15.5/32
52%
16.5/32
 
Fritz 6 Light2534 44%
14/32
45%
14.5/32
 
AnMon 5.60251763%
21.5/34
62%
20/32
48%
15.5/32
 
E.T. Chess 18.11.052511 50%
16/32
44%
14/32
 
Little Goliath Evolution 3.12250462%
17.5/28
61%
39/64
45%
28.5/64
 
Yace 0.99.87250357%
17/30
52%
16.5/32
48%
15.5/32
 
Trace 1.37a250059%
37/63
73%
23.5/32
48%
15.5/32
 
NameEloHamsters
0.7.1
Hamsters
0.6
Hamsters
0.5
Hamsters
0.4
Pepito 1.59 32-bit249362%
18.5/30
78%
25/32
  
Bruja 1.9.1 64-bit249063%
19/30
64%
20.5/32
  
Tao 5.6248676%
22/29
75%
24/32
48%
15.5/32
 
Green Light Chess 3.002477 53%
17/32
45%
14.5/32
 
Cerebro 3.03d247147%
14/30
67%
21.5/32
  
Amyan 1.5972461 70%
22.5/32
42%
13.5/32
 
SpiderChess 0706032439  61%
19.5/32
55%
17.5/32
Abrok 5.0243575%
22.5/30
72%
23/32
59%
19/32
 
Nejmet 3.072425100%
1/1
 69%
22/32
 
Kiwi 0.6d 32-bit2413 67%
43/64
62%
20/32
 
Gosu 0.16238288%
26.5/30
81%
26/32
  
Comet B682377  45%
14.5/32
58%
18/31
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
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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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on October 19, 2019