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 10 engines!
10 selected engines played 0 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+
1Embla 1.0.3 64-bit2115+14−1451.8%−13.523.2%1939 
100.0%
 Embla 2.0.1 64-bit2066+18−1849.3%+7.323.2%1120
96.0%
 Embla 2.0.5 64-bit2044+16−1642.3%+58.520.2%1555
98.2%
 Embla 1.0.2 64-bit2012+26−2649.7%+2.426.9%521
94.2%
 Embla 1.0.1 64-bit1987+17−1748.8%+9.321.6%1258
99.9%
 Embla 2.0.0 64-bit 4CPU1927+32−3421.5%+221.119.6%419
70.0%
 Embla 0.9.9 64-bit1917+19−1949.3%+5.822.2%1074
100.0%
 Embla 0.9.5 64-bit1636+17−1745.3%+36.122.0%1241
100.0%
 Embla 0.9.2 64-bit1545+34−3539.3%+78.820.7%314
83.0%
 Embla 0.9.3 64-bit1523+29−3044.5%+36.219.8%439
 

Results matrix

Custom engine selection
#NameElo12345678910
1Embla 1.0.3 64-bit2115          
2Embla 2.0.1 64-bit2066          
3Embla 2.0.5 64-bit2044          
4Embla 1.0.2 64-bit2012          
5Embla 1.0.1 64-bit1987          
6Embla 2.0.0 64-bit 4CPU1927          
7Embla 0.9.9 64-bit1917          
8Embla 0.9.5 64-bit1636          
9Embla 0.9.2 64-bit1545          
10Embla 0.9.3 64-bit1523          
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
#NameElo12345678910
1Embla 1.0.3 64-bit2115 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Embla 2.0.1 64-bit20660.0 96.0100.0100.0100.0100.0100.0100.0100.0
3Embla 2.0.5 64-bit20440.04.0 98.2100.0100.0100.0100.0100.0100.0
4Embla 1.0.2 64-bit20120.00.01.8 94.2100.0100.0100.0100.0100.0
5Embla 1.0.1 64-bit19870.00.00.05.8 99.9100.0100.0100.0100.0
6Embla 2.0.0 64-bit 4CPU19270.00.00.00.00.1 70.0100.0100.0100.0
7Embla 0.9.9 64-bit19170.00.00.00.00.030.0 100.0100.0100.0
8Embla 0.9.5 64-bit16360.00.00.00.00.00.00.0 100.0100.0
9Embla 0.9.2 64-bit15450.00.00.00.00.00.00.00.0 83.0
10Embla 0.9.3 64-bit15230.00.00.00.00.00.00.00.017.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Embla 1.0.3 64-bit2115 92011131857242539900
2Embla 2.0.1 64-bit2066920 240706970360000
3Embla 2.0.5 64-bit20441113240 932785210000
4Embla 1.0.2 64-bit20121857093 5330191630
5Embla 1.0.1 64-bit1987724697278533 0495300
6Embla 2.0.0 64-bit 4CPU1927253052100 0000
7Embla 0.9.9 64-bit1917936001914950 12700
8Embla 0.9.5 64-bit1636900630127 473708
9Embla 0.9.2 64-bit15450003000473 243
10Embla 0.9.3 64-bit15230000000708243 
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
#NameElo12345678910
1Embla 1.0.3 64-bit2115 30.131.97.522.610.70.30.30.00.0
2Embla 2.0.1 64-bit206630.1 9.04.329.30.016.40.00.00.0
3Embla 2.0.5 64-bit204431.99.0 4.59.926.40.00.00.00.0
4Embla 1.0.2 64-bit20127.54.34.5 30.00.012.00.30.40.0
5Embla 1.0.1 64-bit198722.629.39.930.0 0.021.20.10.00.0
6Embla 2.0.0 64-bit 4CPU192710.70.026.40.00.0 0.00.00.00.0
7Embla 0.9.9 64-bit19170.316.40.012.021.20.0 5.50.00.0
8Embla 0.9.5 64-bit16360.30.00.00.30.10.05.5 30.442.1
9Embla 0.9.2 64-bit15450.00.00.00.40.00.00.030.4 32.3
10Embla 0.9.3 64-bit15230.00.00.00.00.00.00.042.132.3 
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 82 common opponents

Custom engine selection
NameEloEmbla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Googleplex Starthinker 1.4 64-bit229031%
10/32
39%
15.5/40
        
Weini 0.0.24 64-bit21990%
0/1
35%
14/40
        
Kurt 0.9.2.2 64-bit2162  31%
26/83
  15%
9/60
    
NagaSkaki 5.122154  38%
31.5/83
0%
0/1
      
Alarm 0.93.1214560%
18.5/31
 42%
34/81
       
Lime 66214333%
11/33
 45%
35.5/79
  27%
16/60
    
Sunsetter 10.3 64-bit214155%
17.5/32
 40%
19/48
       
Genesis 2.01b2137  44%
15.5/35
  28%
16.5/60
    
Tiny Chess 1.46 64-bit2136  34%
28.5/84
  25%
15/60
    
Fortress 1.62213453%
17/32
 38%
32/85
       
Nesik 0.7.0 alpha213351%
42/82
 38%
18/48
       
WJChess 1.64213152%
42.5/82
 36%
17/47
       
Hedgehog 1.9 64-bit212252%
22/42
50%
20/40
        
Prophet3 20180811 64-bit211955%
17.5/32
49%
19.5/40
        
GK 0.90 64-bit211053%
26.5/50
 49%
56/115
       
Alf 1.09 64-bit210950%
41/82
 50%
24/48
       
BikJump 2.01 64-bit210448%
47.5/100
41%
16.5/40
        
Clarabit 1.00 64-bit209844%
44.5/100
    27%
16/60
    
Abbess 2018.02.07207052%
16.5/32
45%
18/40
46%
48/105
 47%
15/32
     
Gunborg 1.35 64-bit2069 46%
18.5/40
42%
45/107
       
NameEloEmbla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Cinnamon 2.2a 64-bit206761%
19.5/32
46%
18.5/40
        
Smash 1.0.3a 64-bit2062 36%
14.5/40
  38%
12/32
 17%
5.5/32
   
Small Potato 0.7.0 64-bit206053%
17.5/33
49%
19.5/40
        
Matheus 2.3205959%
29.5/50
 52%
31/60
 34%
11/32
     
ChessMind 0.82205847%
23.5/50
   39%
12.5/32
     
Alcibiades 0.3.0 64-bit205653%
26/49
   48%
15.5/32
     
Monarch 1.7205658%
29/50
60%
24/40
  44%
14/32
     
RDChess 3.232046  40%
24/60
43%
13/30
      
Topple 0.0.3 64-bit204470%
35/50
  40%
19.5/49
34%
11/32
     
Gerbil 0.2 64-bit2043   57%
17/30
39%
12.5/32
     
Detroid 0.9.0 64-bit204156%
22.5/40
40%
16/40
        
Vice 1.0 64-bit204154%
26.5/49
50%
20/40
  34%
11/32
     
Jabba 1.0 64-bit203655%
27/49
48%
19/40
  42%
13.5/32
     
Cinnamon 2.0 64-bit202253%
26/49
  48%
14.5/30
41%
13/32
     
Bestia 0.902021   63%
19/30
47%
14.5/31
     
Plywood 1.732019100%
1/1
  0%
0/1
      
Cupcake 1.1a 64-bit2016 54%
21.5/40
  43%
3/7
     
Oberon 0.042013   47%
14/30
54%
13.5/25
     
Leonidas 83 64-bit2005   48%
14.5/30
55%
31/56
     
Gullydeckel 2.16pl11992   47%
14/30
63%
19/30
 30%
9.5/32
   
NameEloEmbla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
BigLion 2.23x1988 60%
24/40
 48%
14.5/30
  30%
9.5/32
   
Armageddon 2.308198650%
0.5/1
  50%
14.5/29
  38%
12/32
   
Snowy 0.2 64-bit1986100%
1/1
70%
28/40
        
Faile 1.4.41977 64%
25.5/40
  44%
14/32
 62%
20/32
   
Hedgehog 1.8041969   48%
14.5/30
45%
14.5/32
     
La Dame Blanche 2.0c1968 52%
21/40
  55%
16/29
     
Sissa 2.01967 59%
23.5/40
  57%
17/30
     
Cilian 4.141961   0%
0/1
  64%
20.5/32
   
Eia 0.3196150%
0.5/1
   48%
19.5/41
     
BSC 3.919600%
0/1
   100%
1/1
     
ALChess 1.841959100%
1/1
     39%
11/28
   
Etude 0.1.21954    38%
12/32
 100%
6/6
   
Zevra 1.6.1 r512 64-bit1954    56%
18/32
 43%
13/30
   
JanWillem 1.131951    70%
21/30
 66%
21/32
   
Smash 1.0.31924  51%
30.5/60
 67%
20/30
     
Heracles 0.6.161922100%
1/1
71%
28.5/40
  63%
39/62
 38%
12/32
   
SamChess1919    66%
20.5/31
 38%
12/32
   
Warrior 1.0.31907 75%
30/40
  50%
0.5/1
 56%
18/32
   
Roce 0.03901853   50%
0.5/1
50%
0.5/1
 56%
18/32
   
Sayuri 2016.09.12 64-bit1811      81%
25/31
11%
3.5/32
  
NameEloEmbla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Beaches 2.321803      72%
23/32
19%
6/32
  
Pigeon 1.5.1 64-bit1800    0%
0/1
  34%
11/32
  
Enigma 1.1.41793   0%
0/1
   34%
11/32
15%
1.5/10
 
Laurifer 1.01751   100%
1/1
100%
1/1
     
Elf 1.3.01743100%
1/1
      50%
14/28
  
Adamant 1.71735100%
1/1
      42%
13.5/32
  
Zoidberg 0.11725100%
1/1
  100%
1/1
   16%
6.5/41
  
Mizar 3.01683       45%
18.5/41
20%
4/20
 
Belzebub 0.671662       47%
34.5/73
50%
10/20
55%
16/29
Pooky 2.71657       51%
21/41
35%
7/20
 
DChess 1.0.21651       35%
14.5/41
35%
7/20
 
Simon 1.2 64-bit1648       50%
21/42
45%
9/20
 
IQ23.0031644       47%
33.5/71
 34%
11/32
ChessRikus 1.4661637       58%
42/73
 29%
9/31
Storm 0.61629       47%
13.5/29
41%
7/17
20%
6.5/32
Rainman 0.7.51613       45%
13.5/30
36%
6.5/18
40%
10/25
Zotron 4.4.61593       55%
17.5/32
 39%
12.5/32
Needle 0.5311581       67%
20/30
29%
5.5/19
44%
13.5/31
Pigeon 1.37 64-bit1543        52%
10.5/20
38%
12/32
Piranha 0.51502       72%
23/32
 33%
10.5/32
NameEloEmbla
1.0.3
64-bit
Embla
2.0.1
64-bit
Embla
2.0.5
64-bit
Embla
1.0.2
64-bit
Embla
1.0.1
64-bit
Embla
2.0.0
64-bit
4CPU
Embla
0.9.9
64-bit
Embla
0.9.5
64-bit
Embla
0.9.2
64-bit
Embla
0.9.3
64-bit
Numpty Recharged 64-bit1469       81%
26/32
 64%
20.5/32
Blikskottel 0.81458       82%
25.5/31
 58%
18.5/32
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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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):

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