CCRL 40/4
Downloads and Statistics
July 7, 2018
Testing summary:
Total: 1'767'897 games
played by 2'077 programs
23648 CPU days (X2 4600+)

White wins: 690'693 (39.1%)
Black wins: 560'081 (31.7%)
Draws: 517'123 (29.3%)
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 July 7, 2018 with Bayeselo based on 1'767'897 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+
1Zevra 1.8.5 r664 64-bit2266+30−2954.3%−30.026.4%397 
99.6%
 Zevra 1.8.4 r650 64-bit2219+20−2044.8%+41.822.6%881
62.9%
 Zevra 1.8.3 r636 64-bit2214+20−2052.0%−14.720.4%894
100.0%
 Zevra 1.8.1 r594 64-bit2149+32−3167.9%−133.017.8%410
100.0%
 Zevra 1.6.1 r512 64-bit1951+20−2048.9%+7.823.9%884
87.1%
 Zevra 1.6.1 r5136 64-bit1930+30−3046.9%+23.526.6%384
98.5%
 Zevra 1.5 r446 64-bit1884+28−2854.0%−30.317.5%475
81.0%
 Zevra 1.6 r4971866+31−3145.5%+32.219.8%379
100.0%
 Zevra 1.31 r3401759+26−2649.3%+4.521.5%543
64.6%
 Zevra 1.21 r2901751+28−2837.6%+91.227.1%458
 

Results matrix

Custom engine selection
#NameElo12345678910
1Zevra 1.8.5 r664 64-bit2266          
2Zevra 1.8.4 r650 64-bit2219          
3Zevra 1.8.3 r636 64-bit2214          
4Zevra 1.8.1 r594 64-bit2149          
5Zevra 1.6.1 r512 64-bit1951          
6Zevra 1.6.1 r5136 64-bit1930          
7Zevra 1.5 r446 64-bit1884          
8Zevra 1.6 r4971866          
9Zevra 1.31 r3401759          
10Zevra 1.21 r2901751          
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
1Zevra 1.8.5 r664 64-bit2266 99.699.8100.0100.0100.0100.0100.0100.0100.0
2Zevra 1.8.4 r650 64-bit22190.4 62.9100.0100.0100.0100.0100.0100.0100.0
3Zevra 1.8.3 r636 64-bit22140.237.1 100.0100.0100.0100.0100.0100.0100.0
4Zevra 1.8.1 r594 64-bit21490.00.00.0 100.0100.0100.0100.0100.0100.0
5Zevra 1.6.1 r512 64-bit19510.00.00.00.0 87.1100.0100.0100.0100.0
6Zevra 1.6.1 r5136 64-bit19300.00.00.00.012.9 98.599.8100.0100.0
7Zevra 1.5 r446 64-bit18840.00.00.00.00.01.5 81.0100.0100.0
8Zevra 1.6 r49718660.00.00.00.00.00.219.0 100.0100.0
9Zevra 1.31 r34017590.00.00.00.00.00.00.00.0 64.6
10Zevra 1.21 r29017510.00.00.00.00.00.00.00.035.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Zevra 1.8.5 r664 64-bit2266 5472440000000
2Zevra 1.8.4 r650 64-bit2219547 5330000000
3Zevra 1.8.3 r636 64-bit2214244533 0000000
4Zevra 1.8.1 r594 64-bit2149000 30730059033
5Zevra 1.6.1 r512 64-bit1951000307 2462383610236
6Zevra 1.6.1 r5136 64-bit1930000300246 1145800
7Zevra 1.5 r446 64-bit188400059238114 237157246
8Zevra 1.6 r4971866000036158237 0161
9Zevra 1.31 r34017590003001570 394
10Zevra 1.21 r290175100032360246161394 
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
1Zevra 1.8.5 r664 64-bit2266 42.818.90.00.00.00.00.00.00.0
2Zevra 1.8.4 r650 64-bit221942.8 30.00.00.00.00.00.00.00.0
3Zevra 1.8.3 r636 64-bit221418.930.0 0.00.00.00.00.00.00.0
4Zevra 1.8.1 r594 64-bit21490.00.00.0 23.737.86.70.00.30.3
5Zevra 1.6.1 r512 64-bit19510.00.00.023.7 19.417.528.60.017.6
6Zevra 1.6.1 r5136 64-bit19300.00.00.037.819.4 13.37.60.00.0
7Zevra 1.5 r446 64-bit18840.00.00.06.717.513.3 27.815.426.4
8Zevra 1.6 r49718660.00.00.00.028.67.627.8 0.019.2
9Zevra 1.31 r34017590.00.00.00.30.00.015.40.0 39.4
10Zevra 1.21 r29017510.00.00.00.317.60.026.419.239.4 
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 42 common opponents

Custom engine selection
NameEloZevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
Robocide 20170718 64-bit2239 50%
33.5/67
44%
14/32
       
GopherCheck 0.2.3 64-bit2238 54%
35.5/66
55%
17/31
       
Ant 2006-F223755%
27.5/50
61%
19/31
        
Anechka 0.08223562%
31/50
57%
38.5/68
60%
18/30
       
AliChess 4.25223444%
22/50
46%
31.5/68
45%
14.5/32
       
Adam 3.3222371%
35.5/50
46%
31/68
41%
13/32
       
CT800 1.20 64-bit2219 45%
13.5/30
55%
17.5/32
       
Exacto 0.e 64-bit221947%
22.5/48
47%
30/64
        
Little Wing 0.4.0 64-bit2017   70%
19.5/28
48%
15/31
     
Leonidas 83 64-bit1995   71%
20/28
 43%
12.5/29
    
BigLion 2.23x1986   72%
21.5/30
44%
14/32
     
Gullydeckel 2.16pl11986   70%
21/30
45%
14/31
     
Arabian Knight 1.551983   100%
1/1
 40%
12/30
    
Embla 1.0.1 64-bit1983    44%
14/32
37%
11/30
    
Bubble 1.51982   77%
23/30
 40%
12/30
    
La Dame Blanche 2.0c1966   80%
24/30
 42%
12.5/30
    
SSEChessII 2.05 DC1965   78%
23.5/30
45%
14.5/32
63%
19/30
    
Chess4j 3.2 64-bit1960    55%
17.5/32
53%
16/30
    
Eia 0.31959   65%
19.5/30
47%
14/30
47%
14/30
38%
11/29
   
Mustang 4.971949   100%
1/1
48%
13.5/28
    17%
8.5/49
NameEloZevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
JanWillem 1.131946    67%
21.5/32
  40%
12/30
  
Smash 1.0.31921       47%
13.5/29
 0%
0/1
Dabbaba 7.491912    58%
17.5/30
    31%
15.5/50
Embla 0.9.9 64-bit1912    57%
17/30
 42%
12.5/30
   
IACH 0.56z1912    52%
15/29
 53%
16/30
   
Eagle 0.7.51910    43%
13/30
  47%
13.5/29
 35%
16/46
Warrior 1.0.31902    57%
17/30
 38%
11.5/30
33%
10/30
  
Clueless 1.41901    65%
19.5/30
  48%
14.5/30
  
Morphy 3.221897    43%
13/30
  52%
15.5/30
  
SnailChess 4.0131894    55%
16.5/30
  50%
15/30
 50%
0.5/1
MrChess 2.11889      47%
14/30
43%
13/30
 33%
16.5/50
Purple Haze 2.1.01876      58%
17.5/30
58%
17.5/30
  
Roce 0.03901845      60%
18/30
  0%
0/1
Deepov 0.4 64-bit1833     64%
18/28
48%
13/27
52%
15.5/30
  
HeavyChess 0.13 beta1822      62%
18.5/30
  100%
1/1
Celes 0.77c1820      50%
15/30
  54%
27/50
Beaches 2.321799        52%
25.5/49
47%
23.5/50
Enigma 1.1.41788        58%
29/50
35%
17/48
Embracer 1.121776   100%
1/1
    53%
26.5/50
 
Pulsar 2009-9b1760      57%
16.5/29
 53%
26/49
 
NameEloZevra
1.8.5
r664
64-bit
Zevra
1.8.4
r650
64-bit
Zevra
1.8.3
r636
64-bit
Zevra
1.8.1
r594
64-bit
Zevra
1.6.1
r512
64-bit
Zevra
1.6.1
r5136
64-bit
Zevra
1.5
r446
64-bit
Zevra
1.6
r497
Zevra
1.31
r340
Zevra
1.21
r290
Robin 0.9831755      85%
25.5/30
 46%
22.5/49
42%
21/50
Lodocase 2402081753        44%
22/50
47%
22.5/48
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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Alter output selection

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

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 current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on July 7, 2018