CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Custom engine selection

Comparing 8 engines!
8 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 CPU.
Computed on November 16, 2019 with Bayeselo based on 2'132'153 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+
1Chess4j 3.5 64-bit1996+21−2150.9%−6.420.4%873 
98.8%
 Chess4j 3.4.1 64-bit1965+18−1848.2%+12.222.5%1131
74.7%
 Chess4j 3.2 64-bit1957+15−1549.0%+8.021.6%1765
100.0%
 Chess4j 3.1 64-bit1846+37−3750.0%−1.622.0%254
97.0%
 Chess4j 3.0 64-bit1805+20−2048.6%+9.422.1%895
100.0%
 Chess4j 2.01622+36−3729.2%+171.921.7%327
100.0%
 Chess4j 1.2833+281−27652.7%+79.034.0%1486
100.0%
 Chess4j 0.1750+363−35829.7%+258.523.7%713
 

Results matrix

Custom engine selection
#NameElo12345678
1Chess4j 3.5 64-bit1996        
2Chess4j 3.4.1 64-bit1965        
3Chess4j 3.2 64-bit1957        
4Chess4j 3.1 64-bit1846        
5Chess4j 3.0 64-bit1805        
6Chess4j 2.01622        
7Chess4j 1.2833        
8Chess4j 0.1750        
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
1Chess4j 3.5 64-bit1996 98.899.9100.0100.0100.0100.0100.0
2Chess4j 3.4.1 64-bit19651.2 74.7100.0100.0100.0100.0100.0
3Chess4j 3.2 64-bit19570.125.3 100.0100.0100.0100.0100.0
4Chess4j 3.1 64-bit18460.00.00.0 97.0100.0100.0100.0
5Chess4j 3.0 64-bit18050.00.00.03.0 100.0100.0100.0
6Chess4j 2.016220.00.00.00.00.0 100.0100.0
7Chess4j 1.28330.00.00.00.00.00.0 100.0
8Chess4j 0.17500.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Chess4j 3.5 64-bit1996 106099333093
2Chess4j 3.4.1 64-bit19651060 1208392090
3Chess4j 3.2 64-bit19579931208 2474310189
4Chess4j 3.1 64-bit184633247 438009
5Chess4j 3.0 64-bit1805392431438 05715
6Chess4j 2.0162200000 00
7Chess4j 1.283399180570 130
8Chess4j 0.17503099150130 
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
1Chess4j 3.5 64-bit1996 52.937.60.30.20.00.40.2
2Chess4j 3.4.1 64-bit196552.9 41.70.24.50.00.30.0
3Chess4j 3.2 64-bit195737.641.7 12.216.20.00.60.4
4Chess4j 3.1 64-bit18460.30.212.2 38.10.00.00.9
5Chess4j 3.0 64-bit18050.24.516.238.1 0.02.40.9
6Chess4j 2.016220.00.00.00.00.0 0.00.0
7Chess4j 1.28330.40.30.60.02.40.0 5.9
8Chess4j 0.17500.20.00.40.90.90.05.9 
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 64 common opponents

Custom engine selection
NameEloChess4j
3.5
64-bit
Chess4j
3.4.1
64-bit
Chess4j
3.2
64-bit
Chess4j
3.1
64-bit
Chess4j
3.0
64-bit
Chess4j
2.0
Chess4j
1.2
Chess4j
0.1
Small Potato 0.7.0 64-bit205950%
0.5/1
50%
0.5/1
      
Gerbil 0.2 64-bit204342%
13.5/32
 27%
8.5/32
     
Vice 1.0 64-bit204253%
17/32
 28%
9/32
     
Detroid 0.9.0 64-bit204144%
14/32
28%
9/32
      
Jabba 1.0 64-bit203642%
13.5/32
28%
9/32
50%
13.5/27
     
Cinnamon 2.0 64-bit202236%
11.5/32
59%
19/32
52%
16.5/32
     
Bestia 0.90202156%
18/32
41%
13/32
23%
7.5/32
     
Bismark 1.42020 0%
0/1
    0%
0/6
 
Ecce 1.0 (rev. 508) 64-bit201752%
16.5/32
47%
14.5/31
47%
15/32
     
DelphiMAX 2.92013100%
1/1
0%
0/1
      
Ceibo 0.4 64-bit200753%
17.5/33
55%
17.5/32
47%
15/32
     
Gullydeckel 2.16pl1199341%
13/32
34%
11/32
28%
9/32
     
Small Potato 0.6.11993 47%
15/32
39%
12.5/32
     
BigLion 2.23x198858%
18.5/32
42%
13.5/32
56%
18.5/33
     
Snowy 0.2 64-bit198833%
10.5/32
45%
14.5/32
      
Armageddon 2.3081986 50%
1/2
94%
16/17
     
Zeta Dva 0305 64-bit1979 62%
20/32
52%
33/64
     
Faile 1.4.4197858%
18.5/32
52%
16.5/32
50%
16/32
     
La Dame Blanche 2.0c1968 48%
38/80
38%
33/86
     
SSEChessII 2.05 DC196755%
17.5/32
59%
47.5/80
49%
43.5/88
     
NameEloChess4j
3.5
64-bit
Chess4j
3.4.1
64-bit
Chess4j
3.2
64-bit
Chess4j
3.1
64-bit
Chess4j
3.0
64-bit
Chess4j
2.0
Chess4j
1.2
Chess4j
0.1
Cilian 4.14196252%
16.5/32
59%
19/32
53%
46.5/88
     
ALChess 1.84196152%
16.5/32
 60%
18/30
     
Etude 0.1.2195358%
18/31
52%
16/31
51%
45/88
     
JanWillem 1.13195064%
20.5/32
48%
29.5/61
      
Monik 2.2.6 64-bit194063%
39.5/63
70%
23/33
      
Smash 1.0.31924 57%
24/42
  30%
9.5/32
   
Heracles 0.6.161922 0%
0/1
  36%
11.5/32
   
SamChess1919    34%
11/32
 0%
0/7
 
IACH 0.56z1916  67%
20/30
 44%
14/32
   
Dabbaba 7.491908100%
1/1
0%
0/1
64%
18.5/29
   0%
0/6
 
Warrior 1.0.31907100%
1/1
 45%
13.5/30
39%
12.5/32
27%
8.5/32
  0%
0/2
Clueless 1.41905  62%
18.5/30
 25%
8/32
   
Morphy 3.2219030%
0/1
 53%
15.5/29
     
SnailChess 4.0131895   47%
15/32
54%
14.5/27
   
MatMoi 7.15.0-cct 64-bit1885 100%
1/1
61%
19/31
     
Purple Haze 2.1.01884   44%
14/32
22%
7/32
   
Roce 0.03901853    50%
16/32
  0%
0/1
Ranita 2.41843  67%
20/30
45%
14.5/32
36%
11.5/32
   
HeavyChess 0.13 beta1833100%
1/1
     0%
0/6
 
Celes 0.77c1824 100%
1/1
78%
23.5/30
56%
17.5/31
47%
13.5/29
   
NameEloChess4j
3.5
64-bit
Chess4j
3.4.1
64-bit
Chess4j
3.2
64-bit
Chess4j
3.1
64-bit
Chess4j
3.0
64-bit
Chess4j
2.0
Chess4j
1.2
Chess4j
0.1
MorphyChess 1.0.51805   60%
18.5/31
48%
15.5/32
   
Sayuri 2018.05.23 64-bit1805100%
1/1
75%
1.5/2
      
Beaches 2.321803  67%
20/30
44%
14/32
56%
18/32
  0%
0/1
Macromix 2.01180050%
0.5/1
     0%
0/6
 
Pigeon 1.5.1 64-bit1800 50%
0.5/1
83%
25/30
 47%
15/32
   
Mint 2.31764    52%
16/31
 0%
0/6
 
Vicki 0.041a1745 100%
1/1
  66%
18.5/28
 0%
0/6
 
Ziggy 0.71745      0%
0/6
0%
0/1
Kanguruh 1.931735 100%
1/1
  63%
19.5/31
   
TSCP 1.811724    64%
18.5/29
  0%
0/1
Belzebub 0.671662 100%
1/1
  61%
19.5/32
   
Nanook 0.171389      33%
2/6
21%
7/33
Skaki 1.231372      8%
0.5/6
0%
0/1
Virutor Chess 1.11364      0%
0/6
0%
0/1
KillerQueen 2.0b31290      17%
1/6
0%
0/1
TRex 1.91288      0%
0/6
0%
0/1
QuTeChess 1.0.1t r31275      12%
0.5/4
50%
0.5/1
Tikov 0.6.31244      0%
0/6
0%
0/1
Raffaela 0.1.41233      0%
0/5
0%
0/1
Gringo 1.4.9b1231      20%
1/5
4%
1/28
NameEloChess4j
3.5
64-bit
Chess4j
3.4.1
64-bit
Chess4j
3.2
64-bit
Chess4j
3.1
64-bit
Chess4j
3.0
64-bit
Chess4j
2.0
Chess4j
1.2
Chess4j
0.1
Toledo Nanochess Jan/11/20101226      0%
0/7
5%
1.5/32
DarkFusch 0.91185      33%
2/6
0%
0/1
Safrad 2.1.35.2101024      8%
0.5/6
14%
5.5/38
MicroChess 1976609      94%
16/17
82%
11.5/14
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 November 16, 2019