CCRL 40/4
Downloads and Statistics
June 22, 2019
Testing summary:
Total: 2'052'494 games
played by 2'371 programs
27529 CPU days (X2 4600+)

White wins: 797'533 (38.9%)
Black wins: 645'585 (31.5%)
Draws: 609'376 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 8 engines!
8 selected engines played 42 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 Intel CPU.
Computed on June 22, 2019 with Bayeselo based on 2'052'494 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+
1Hedgehog 1.813 64-bit2143+35−3456.3%−49.916.5%316 
83.1%
 Hedgehog 1.814 64-bit2124+18−1849.4%+4.317.1%1183
56.7%
 Hedgehog 1.9 64-bit2122+20−2051.7%−12.118.1%1036
69.8%
 Hedgehog 1.82 64-bit2112+29−3045.6%+36.018.0%434
100.0%
 Hedgehog 1.8082035+34−3456.5%−49.517.8%321
99.2%
 Hedgehog 1.8061973+38−3846.5%+25.219.5%256
56.9%
 Hedgehog 1.8041969+18−1842.8%+54.717.7%1144
67.6%
 Hedgehog 1.8021960+33−3438.7%+89.218.8%345
 

Results matrix

Custom engine selection
#NameElo12345678
1Hedgehog 1.813 64-bit2143        
2Hedgehog 1.814 64-bit2124        
3Hedgehog 1.9 64-bit2122   24.5 − 17.5
+19−12=11
+51
    
4Hedgehog 1.82 64-bit2112  17.5 − 24.5
+12−19=11
−51
     
5Hedgehog 1.8082035        
6Hedgehog 1.8061973        
7Hedgehog 1.8041969        
8Hedgehog 1.8021960        
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
#NameElo12345678
1Hedgehog 1.813 64-bit2143 83.185.390.5100.0100.0100.0100.0
2Hedgehog 1.814 64-bit212416.9 56.774.1100.0100.0100.0100.0
3Hedgehog 1.9 64-bit212214.743.3 69.8100.0100.0100.0100.0
4Hedgehog 1.82 64-bit21129.525.930.2 100.0100.0100.0100.0
5Hedgehog 1.80820350.00.00.00.0 99.2100.099.9
6Hedgehog 1.80619730.00.00.00.00.8 56.968.8
7Hedgehog 1.80419690.00.00.00.00.043.1 67.6
8Hedgehog 1.80219600.00.00.00.00.131.232.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Hedgehog 1.813 64-bit2143 141671700142201
2Hedgehog 1.814 64-bit2124141 29231133559236
3Hedgehog 1.9 64-bit21226292 248149122723
4Hedgehog 1.82 64-bit211271311248 60963
5Hedgehog 1.80820357031496 2093610
6Hedgehog 1.806197303120209 1230
7Hedgehog 1.80419691425592729361123 344
8Hedgehog 1.802196020123636300344 
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
#NameElo12345678
1Hedgehog 1.813 64-bit2143 9.40.49.511.00.09.730.4
2Hedgehog 1.814 64-bit21249.4 13.219.20.20.224.015.4
3Hedgehog 1.9 64-bit21220.413.2 16.911.00.912.50.2
4Hedgehog 1.82 64-bit21129.519.216.9 0.80.00.68.1
5Hedgehog 1.808203511.00.211.00.8 36.224.60.0
6Hedgehog 1.80619730.00.20.90.036.2 8.80.0
7Hedgehog 1.80419699.724.012.50.624.68.8 23.1
8Hedgehog 1.802196030.415.40.28.10.00.023.1 
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 44 common opponents

Custom engine selection
NameEloHedgehog
1.813
64-bit
Hedgehog
1.814
64-bit
Hedgehog
1.9
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.808
Hedgehog
1.806
Hedgehog
1.804
Hedgehog
1.802
Amundsen 0.802329  18%
7.5/42
23%
9.5/42
    
NG-Play 9.87 64-bit2194 55%
17.5/32
39%
15.5/40
     
Madeleine 0.22183 45%
14.5/32
52%
21/40
     
Blitzkrieg rev337 64-bit2157 45%
13.5/30
 37%
11/30
    
NagaSkaki 5.122154 38%
12/32
41%
16.5/40
44%
13.5/31
    
Chesley r323 64-bit2147   38%
11.5/30
   32%
9.5/30
Alarm 0.93.1214551%
20.5/40
45%
13.5/30
 48%
15/31
    
Lime 662143 48%
15.5/32
 52%
16/31
    
Sunsetter 10.3 64-bit2141 50%
16/32
 59%
17/29
    
Fortress 1.622134 40%
12.5/31
     25%
7.5/30
WJChess 1.64213145%
18/40
58%
18/31
     25%
7.5/30
Prophet3 20170909 64-bit2125 45%
14.5/32
    28%
8/29
 
Embla 1.0.3 64-bit2115 47%
14.5/31
48%
20/42
     
GK 0.90 64-bit2110      25%
7.5/30
30%
9/30
Alf 1.09 64-bit2109 38%
11.5/30
    38%
10.5/28
33%
10/30
BikJump 2.01 64-bit2104 48%
14.5/30
    32%
9.5/30
 
AdroitChess 0.4208755%
21/38
      23%
7/30
Abbess 2018.02.072070 60%
18.5/31
    28%
9/32
 
Gunborg 1.35 64-bit206965%
26/40
     32%
9.5/30
37%
8.5/23
Matheus 2.32059 62%
20/32
    40%
12.5/31
36%
8/22
NameEloHedgehog
1.813
64-bit
Hedgehog
1.814
64-bit
Hedgehog
1.9
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.808
Hedgehog
1.806
Hedgehog
1.804
Hedgehog
1.802
ChessMind 0.822058 42%
13/31
    55%
17.5/32
 
Monarch 1.72056 75%
24/32
 50%
0.5/1
  52%
16.5/32
 
Gerbil 0.2 64-bit2043 68%
21/31
    48%
15.5/32
 
Ax 0.8204159%
23.5/40
 0%
0/1
     
Vice 1.0 64-bit2041 64%
20.5/32
100%
1/1
   34%
11/32
 
Jabba 1.0 64-bit2036  57%
24/42
   36%
11.5/32
 
Bestia 0.90202174%
29.5/40
 100%
1/1
 62%
18.5/30
 45%
14.5/32
 
Oberon 0.042013  50%
1/2
  40%
12.5/31
32%
9.5/30
 
Embla 1.0.2 64-bit2012   50%
0.5/1
43%
13/30
 52%
15.5/30
 
Leonidas 83 64-bit2005  100%
1/1
 60%
17.5/29
54%
21.5/40
  
Requiem 0.532004     48%
16/33
40%
11.5/29
 
Gullydeckel 2.16pl11992  100%
1/1
   36%
11.5/32
 
Elephant 1.061989  100%
1/1
   53%
16/30
48%
14.5/30
BigLion 2.23x1988  68%
28.5/42
 37%
11/30
 60%
37.5/62
 
Arabian Knight 1.551987  100%
1/1
  44%
14/32
  
Bubble 1.51987    58%
17.5/30
50%
21.5/43
  
Armageddon 2.3081986    72%
21/29
 55%
34/62
 
Snowy 0.2 64-bit1986 100%
1/1
  53%
15.5/29
46%
17.5/38
  
Faile 1.4.41977  82%
33.5/41
100%
1/1
70%
21/30
 42%
13.5/32
 
Eia 0.31961      48%
14.5/30
65%
19.5/30
NameEloHedgehog
1.813
64-bit
Hedgehog
1.814
64-bit
Hedgehog
1.9
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.808
Hedgehog
1.806
Hedgehog
1.804
Hedgehog
1.802
Dabbaba 7.491906  73%
30.5/42
100%
1/1
    
MatMoi 7.15.0-cct 64-bit1887  50%
0.5/1
   71%
22/31
 
MrChess 2.11886  100%
2/2
0%
0/1
    
HeavyChess 0.13 beta1834   100%
1/1
   65%
19.5/30
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%

Alter engine selection



Alter output selection

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

Maximum size of cross-tables (from 2 to 100):
Limit crosstables to engines in Elo range: to
Match length (Minimum number of games to highlight with color):

Cross-tables show only best version of each engine
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
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  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on June 22, 2019