CCRL 40/40
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 1'102'078 games
played by 2'571 programs
150620 CPU days (X2 4600+)

White wins: 381'985 (34.7%)
Black wins: 283'767 (25.7%)
Draws: 436'326 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Computed on November 30, 2019 with Bayeselo based on 1'102'078 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Prophet 2.0 64-bit2183+29−2951.7%−13.725.5%416 
99.5%
 Prophet 2.0 32-bit2137+19−1949.3%+4.524.0%1025
71.8%
 Prophet3 20180811 64-bit2129+18−1852.7%−20.924.2%1214
95.6%
 Prophet3 20170909 64-bit2100+29−2948.4%+16.529.4%425
 

Results matrix

Custom engine selection
#NameElo1234
1Prophet 2.0 64-bit2183    
2Prophet 2.0 32-bit2137    
3Prophet3 20180811 64-bit2129    
4Prophet3 20170909 64-bit2100    
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
1Prophet 2.0 64-bit2183 99.599.9100.0
2Prophet 2.0 32-bit21370.5 71.898.3
3Prophet3 20180811 64-bit21290.128.2 95.6
4Prophet3 20170909 64-bit21000.01.74.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Prophet 2.0 64-bit2183 164110148
2Prophet 2.0 32-bit2137164 8892
3Prophet3 20180811 64-bit212911088 170
4Prophet3 20170909 64-bit210014892170 
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
1Prophet 2.0 64-bit2183 11.46.717.6
2Prophet 2.0 32-bit213711.4 3.96.3
3Prophet3 20180811 64-bit21296.73.9 10.4
4Prophet3 20170909 64-bit210017.66.310.4 
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 41 common opponents

Custom engine selection
NameEloProphet
2.0
64-bit
Prophet
2.0
32-bit
Prophet3
20180811
64-bit
Prophet3
20170909
64-bit
Asymptote 0.2.0 64-bit2314  28%
8.5/30
50%
1/2
Joker 1.1.142301 12%
0.5/4
 25%
1/4
Absolute Zero 2.4.7.2 64-bit229530%
3/10
 20%
6.5/32
38%
1.5/4
CT800 1.30 64-bit225536%
5/14
  0%
0/4
Weini 0.0.23 64-bit2240  53%
16/30
50%
1/2
Zevra 1.8.4 r650 64-bit223556%
4.5/8
  0%
0/2
Tiny Chess 1.46 64-bit2224  75%
1.5/2
17%
1/6
Robocide 20170718 64-bit2220  50%
1/2
19%
1.5/8
Joker2 0.7.7 64-bit2218  25%
0.5/2
0%
0/2
Uralochka 1.1b221717%
1/6
44%
3.5/8
  
OBender 03.2016 64-bit2214  33%
10/30
0%
0/4
Baislicka 1.0 64-bit2205  100%
2/2
50%
1/2
ChessAlex 2.0r4220475%
1.5/2
25%
1/4
  
Dorpsgek Eve's Temptation 64-bit2198  42%
5/12
62%
2.5/4
GopherCheck 0.2.3 64-bit2190  0%
0/2
58%
3.5/6
NG-Play 9.87 64-bit218750%
5/10
 48%
15.5/32
17%
1/6
NagaSkaki 5.12218662%
2.5/4
34%
5.5/16
  
Soldat III 0.187 64-bit2177  50%
2/4
25%
1.5/6
Clever Girl r185 64-bit2170 50%
3/6
40%
4/10
33%
2/6
Kurt 0.9.2.2 64-bit216975%
3/4
31%
7.5/24
  
NameEloProphet
2.0
64-bit
Prophet
2.0
32-bit
Prophet3
20180811
64-bit
Prophet3
20170909
64-bit
RamJet 0.142169  75%
3/4
12%
1.5/12
Embla 1.0.3 64-bit2167  45%
13.5/30
75%
1.5/2
Micah 1.0 64-bit216483%
5/6
 38%
3/8
 
K2 0.43f213950%
2/4
56%
4.5/8
  
Parrot 07.07.22213564%
9/14
59%
9.5/16
  
Barbarossa 0.4.0 64-bit2133  50%
1/2
44%
11.5/26
Tunguska 1.0 64-bit2129  25%
0.5/2
42%
5/12
BikJump 2.01 64-bit211962%
5/8
 53%
16/30
 
ChessKISS 1.3a 32-bit2111 75%
1.5/2
 47%
7.5/16
BigLion 2.23w207758%
7/12
69%
5.5/8
 56%
9/16
Jabba 1.0 64-bit207780%
17.5/22
  69%
11/16
FireFly 2.5.4207380%
8/10
46%
5.5/12
  
Hedgehog 1.9 64-bit2069  57%
17/30
50%
1/2
BigLion 2.23x206738%
1.5/4
57%
16/28
59%
19/32
 
Little Wing 0.5.0 64-bit2067  100%
2/2
25%
0.5/2
Protej 0.5.7205475%
3/4
62%
5/8
  
Ecce 1.0 (rev. 508) 64-bit205069%
5.5/8
  62%
10/16
PLP 1661571204675%
3/4
81%
6.5/8
 56%
9/16
ChessMind 0.822031 83%
5/6
 41%
6.5/16
Zeta Dva 0305 64-bit1982  75%
22.5/30
88%
3.5/4
NameEloProphet
2.0
64-bit
Prophet
2.0
32-bit
Prophet3
20180811
64-bit
Prophet3
20170909
64-bit
GChess IV 0.2.01880 88%
3.5/4
82%
24.5/30
 
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
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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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  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on November 30, 2019