CCRL 40/4
Downloads and Statistics
December 14, 2019
Testing summary:
Total: 2'147'837 games
played by 2'515 programs
29208 CPU days (X2 4600+)

White wins: 831'895 (38.7%)
Black wins: 671'656 (31.3%)
Draws: 644'286 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 7 engines!
7 selected engines played 46 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 December 14, 2019 with Bayeselo based on 2'147'837 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+
1AdaChess 3.6 64-bit1955+21−2151.1%−8.519.8%853 
100.0%
 AdaChess 3.1 64-bit1791+22−2242.0%+64.113.0%843
100.0%
 AdaChess 3.4 64-bit1727+29−2937.8%+89.421.6%436
99.9%
 AdaChess 20161108 64-bit1663+26−2656.5%−47.926.3%517
65.5%
 AdaChess 20170209 64-bit1656+21−2147.7%+17.313.2%944
99.8%
 AdaChess 2.01615+19−1947.0%+21.216.9%1119
100.0%
 AdaChess 1.01067+81−4611.3%+491.913.8%320
 

Results matrix

Custom engine selection
#NameElo1234567
1AdaChess 3.6 64-bit1955       
2AdaChess 3.1 64-bit1791       
3AdaChess 3.4 64-bit1727       
4AdaChess 20161108 64-bit1663    30 − 16
+25−11=10
+104
  
5AdaChess 20170209 64-bit1656   16 − 30
+11−25=10
−104
   
6AdaChess 2.01615       
7AdaChess 1.01067       
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
#NameElo1234567
1AdaChess 3.6 64-bit1955 100.0100.0100.0100.0100.0100.0
2AdaChess 3.1 64-bit17910.0 100.0100.0100.0100.0100.0
3AdaChess 3.4 64-bit17270.00.0 99.9100.0100.0100.0
4AdaChess 20161108 64-bit16630.00.00.1 65.599.8100.0
5AdaChess 20170209 64-bit16560.00.00.034.5 99.8100.0
6AdaChess 2.016150.00.00.00.20.2 100.0
7AdaChess 1.010670.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1AdaChess 3.6 64-bit1955 82563076018
2AdaChess 3.1 64-bit1791825 31001063087
3AdaChess 3.4 64-bit172763310 52211323
4AdaChess 20161108 64-bit1663005 2172259
5AdaChess 20170209 64-bit165676106221217 36339
6AdaChess 2.01615030132225363 18
7AdaChess 1.010671887393918 
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
#NameElo1234567
1AdaChess 3.6 64-bit1955 48.64.90.04.20.01.5
2AdaChess 3.1 64-bit179148.6 24.20.05.91.57.5
3AdaChess 3.4 64-bit17274.924.2 0.516.08.50.4
4AdaChess 20161108 64-bit16630.00.00.5 14.913.81.1
5AdaChess 20170209 64-bit16564.25.916.014.9 17.63.1
6AdaChess 2.016150.01.58.513.817.6 1.3
7AdaChess 1.010671.57.50.41.13.11.3 
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 40 common opponents

Custom engine selection
NameEloAdaChess
3.6
64-bit
AdaChess
3.1
64-bit
AdaChess
3.4
64-bit
AdaChess
20161108
64-bit
AdaChess
20170209
64-bit
AdaChess
2.0
AdaChess
1.0
ALChess 1.84196147%
15/32
40%
12.5/31
     
Micro-Max 4.8195435%
11/31
23%
7.5/32
     
Etude 0.1.2195352%
16.5/32
44%
14/32
     
JanWillem 1.13195061%
19.5/32
19%
6/32
     
BSC 3.9+ 64-bit 20Jan2012194456%
18/32
34%
11/32
     
Heracles 0.6.16192253%
17/32
27%
8.5/32
     
SamChess191950%
16/32
39%
12.5/32
    0%
0/6
IACH 0.56z191650%
16/32
48%
15.5/32
     
Warrior 1.0.3190744%
14/32
45%
13.5/30
     
Claudia 0.5190261%
19.5/32
23%
7/30
     
SnailChess 4.013189582%
25.5/31
33%
10.5/32
     
MatMoi 7.15.0-cct 64-bit188562%
20/32
31%
10/32
     
Purple Haze 2.1.0188464%
20.5/32
20%
6.5/32
37%
11.5/31
 24%
10.5/44
  
Butter 1.0 64-bit1862 52%
16.5/32
32%
10/31
    
Roce 0.03901853 39%
12.5/32
39%
12.5/32
    
Deepov 0.4.1 64-bit1850 47%
13.5/29
22%
6.5/29
    
Ranita 2.41843 44%
14/32
39%
10.5/27
    
HeavyChess 0.13 beta1833 28%
8/29
    8%
0.5/6
MorphyChess 1.0.51805  48%
15/31
  12%
4/32
 
Beaches 2.321803  40%
12.5/31
  14%
4.5/32
 
NameEloAdaChess
3.6
64-bit
AdaChess
3.1
64-bit
AdaChess
3.4
64-bit
AdaChess
20161108
64-bit
AdaChess
20170209
64-bit
AdaChess
2.0
AdaChess
1.0
Pigeon 1.5.1 64-bit1800  33%
10.5/32
 30%
12/40
  
Bremboce 0.6.21791 57%
17/30
    0%
0/5
Enigma 1.1.41791  45%
12.5/28
 36%
14.5/40
  
Pulsar 2009-9b1773 57%
16.5/29
    0%
0/6
Kanguruh 1.931735    38%
15/40
33%
10.5/32
 
Zoidberg 0.11724 76%
17.5/23
    0%
0/6
TSCP 1.811723 55%
5.5/10
  32%
13/40
33%
10.5/32
 
SEE 0.6.91722 57%
12/21
100%
1/1
    
SharpChess2 2.6.91692    43%
20/46
 0%
0/7
Cmcchess 2.51659     32%
9.5/30
25%
1.5/6
IQ23.0031643  50%
0.5/1
 52%
21/40
47%
14.5/31
 
Storm 0.61628   49%
20.5/42
 66%
20.5/31
 
Rainman 0.7.51611  50%
0.5/1
55%
22.5/41
42%
17.5/42
61%
19.5/32
 
Zotron 4.4.61592   59%
26.5/45
 47%
14.5/31
 
Needle 0.5311581    55%
23/42
58%
18.5/32
 
Shallow Blue 1.1.0 64-bit1567   65%
8.5/13
68%
30/44
  
Skiull 0.1 64-bit1559   50%
0.5/1
 52%
16.5/32
 
MSCP 1.6h1558  0%
0/1
50%
0.5/1
  0%
0/6
Apep 1.011494   100%
1/1
82%
33/40
 0%
0/6
KillerQueen 2.0b31290   100%
1/1
  25%
1.5/6
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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Match length (Minimum number of games to highlight with color):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on December 14, 2019