CCRL 40/4
Downloads and Statistics
August 19, 2019
Testing summary:
Total: 2'086'250 games
played by 2'425 programs
28072 CPU days (X2 4600+)

White wins: 810'164 (38.8%)
Black wins: 655'242 (31.4%)
Draws: 620'844 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 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 August 19, 2019 with Bayeselo based on 2'086'250 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+
1Floyd 0.9 64-bit2584+12−1249.1%+6.322.6%2666 
100.0%
 Floyd 0.8 64-bit2403+19−1950.7%−5.317.7%1058
100.0%
 Floyd 0.7 64-bit2257+19−1950.9%−7.516.3%1107
100.0%
 Floyd 0.6 64-bit2087+19−1947.6%+17.613.9%1103
 

Results matrix

Custom engine selection
#NameElo1234
1Floyd 0.9 64-bit2584    
2Floyd 0.8 64-bit2403    
3Floyd 0.7 64-bit2257    
4Floyd 0.6 64-bit2087    
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
1Floyd 0.9 64-bit2584 100.0100.0100.0
2Floyd 0.8 64-bit24030.0 100.0100.0
3Floyd 0.7 64-bit22570.00.0 100.0
4Floyd 0.6 64-bit20870.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Floyd 0.9 64-bit2584 5700
2Floyd 0.8 64-bit240357 00
3Floyd 0.7 64-bit225700 318
4Floyd 0.6 64-bit208700318 
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
1Floyd 0.9 64-bit2584 1.50.00.0
2Floyd 0.8 64-bit24031.5 0.00.0
3Floyd 0.7 64-bit22570.00.0 14.4
4Floyd 0.6 64-bit20870.00.014.4 
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 24 common opponents

Custom engine selection
NameEloFloyd
0.9
64-bit
Floyd
0.8
64-bit
Floyd
0.7
64-bit
Floyd
0.6
64-bit
Muse 0.953 64-bit258233%
10.5/32
25%
0.5/2
  
Ares 1.005.2 64-bit2440100%
1/1
59%
19/32
  
SpiderChess 070603243967%
2/3
47%
15/32
  
King of Kings 2.562433100%
2/2
44%
14/32
  
Eeyore 1.52 64-bit242650%
0.5/1
45%
14/31
  
Gaia 3.5 64-bit24240%
0/1
45%
14.5/32
  
Nejmet 3.072424100%
1/1
47%
15/32
  
Dragon 4.6241883%
2.5/3
50%
16/32
  
Simplex 0.9.8 64-bit2409100%
1/1
48%
15.5/32
  
PostModernist 10162389100%
2/2
53%
17/32
  
Terra 3.4236875%
1.5/2
42%
13.5/32
  
Chezzz 1.0.32324  42%
13/31
12%
0.5/4
Schooner 1.4.1 64-bit2319  39%
12.5/32
50%
2/4
Mediocre 0.5 64-bit2318  39%
12.5/32
0%
0/4
Aice 0.99.22315  47%
14/30
0%
0/4
Sungorus 1.4 64-bit2313  42%
13.5/32
38%
1.5/4
Averno 0.812307  57%
17/30
0%
0/4
EveAnn 1.71a2307  36%
11.5/32
0%
0/4
Nemeton 1.22307  45%
14.5/32
25%
1/4
KnightX 1.922296  52%
16.5/32
0%
0/4
NameEloFloyd
0.9
64-bit
Floyd
0.8
64-bit
Floyd
0.7
64-bit
Floyd
0.6
64-bit
Chispa 4.0.32206  65%
40.5/62
29%
2/7
Shallow 1.0 64-bit2191  61%
19.5/32
23%
7/31
Uralochka 1.1b2188  59%
19/32
43%
13/30
Madeleine 0.22182  61%
19.5/32
50%
16/32
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%

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):
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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
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Reference rating list:
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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on August 19, 2019