CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 4 engines!
4 selected engines played 36 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 Intel CPU.
Computed on July 11, 2019 with Bayeselo based on 1'066'603 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+
 Hedgehog 1.99 64-bit2255+60−5954.5%−34.123.0%100 
100.0%
1Hedgehog 1.82 64-bit2096+24−2349.8%+1.420.9%666
51.4%
 Hedgehog 1.81 64-bit2095+27−2753.2%−27.723.7%498
94.7%
 Hedgehog 1.9 64-bit2068+18−1943.9%+46.719.9%1175
 

Results matrix

Custom engine selection
#NameElo1234
1Hedgehog 1.99 64-bit2255    
2Hedgehog 1.82 64-bit2096   16 − 20
+11−15=10
−65
3Hedgehog 1.81 64-bit2095    
4Hedgehog 1.9 64-bit2068 20 − 16
+15−11=10
+65
  
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
1Hedgehog 1.99 64-bit2255 100.0100.0100.0
2Hedgehog 1.82 64-bit20960.0 51.496.9
3Hedgehog 1.81 64-bit20950.048.6 94.7
4Hedgehog 1.9 64-bit20680.03.15.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Hedgehog 1.99 64-bit2255 868690
2Hedgehog 1.82 64-bit209686 264385
3Hedgehog 1.81 64-bit209586264 265
4Hedgehog 1.9 64-bit206890385265 
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
1Hedgehog 1.99 64-bit2255 11.214.47.1
2Hedgehog 1.82 64-bit209611.2 22.720.9
3Hedgehog 1.81 64-bit209514.422.7 15.8
4Hedgehog 1.9 64-bit20687.120.915.8 
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 32 common opponents

Custom engine selection
NameEloHedgehog
1.99
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.81
64-bit
Hedgehog
1.9
64-bit
Invictus r228 64-bit228942%
2.5/6
 42%
2.5/6
 
CT800 1.30 64-bit2255 50%
1/2
25%
3.5/14
30%
11.5/38
SpaceDog 0.97.7 64-bit223450%
2/4
 0%
0/8
 
Tiny Chess 1.46 64-bit222450%
1/2
0%
0/2
  
Joker2 0.7.7 64-bit222050%
4/8
25%
3.5/14
40%
4/10
 
Robocide 20170718 64-bit222062%
2.5/4
  0%
0/1
Baislicka 1.0 64-bit220658%
3.5/6
62%
7.5/12
30%
3/10
 
ChessAlex 2.0r42204 33%
4/12
45%
4.5/10
 
Dorpsgek Eve's Temptation 64-bit220062%
5/8
50%
1/2
 38%
14.5/38
Zevra 1.8.2 r612 64-bit2195 12%
1.5/12
20%
2/10
 
GopherCheck 0.2.3 64-bit2190 25%
0.5/2
 50%
1/2
NG-Play 9.87 64-bit218658%
3.5/6
  33%
1/3
Isa 1.9.63 64-bit2185 46%
5.5/12
25%
2.5/10
 
Asymptote 0.1.8 64-bit2176 40%
16/40
 44%
16/36
Soldat III 0.187 64-bit217562%
2.5/4
36%
5/14
40%
4/10
50%
1/2
NG-Play 9.86 64-bit2169 50%
6/12
45%
4.5/10
 
RamJet 0.14216850%
2/4
50%
1/2
 32%
12/38
Embla 1.0.3 64-bit2166 46%
15.5/34
 34%
17/50
Clever Girl r185 64-bit216283%
5/6
57%
8/14
20%
2/10
50%
7/14
GopherCheck 0.2.2 64-bit2138 33%
4/12
40%
4/10
 
NameEloHedgehog
1.99
64-bit
Hedgehog
1.82
64-bit
Hedgehog
1.81
64-bit
Hedgehog
1.9
64-bit
Napoleon 1.7 64-bit2133  35%
3.5/10
39%
14/36
Barbarossa 0.4.0 64-bit2132 21%
3/14
30%
3/10
100%
2/2
Prophet3 20180811 64-bit213150%
1/2
  43%
13/30
Tunguska 1.0 64-bit2128 25%
3.5/14
75%
7.5/10
50%
1/2
Cinnamon 2.2a 64-bit211062%
2.5/4
  51%
17.5/34
Prophet3 20170909 64-bit2099 50%
1/2
45%
4.5/10
50%
1/2
Detroid 0.9.0 64-bit2091 63%
26.5/42
 39%
14/36
BigLion 2.23x2066  70%
7/10
38%
4.5/12
Abbess 2018.02.072031  60%
6/10
50%
7.5/15
La Dame Blanche 2.0c2001 66%
26.5/40
 100%
1/1
Heracles 0.6.161981  70%
7/10
53%
19/36
RataAeroespacial 0.2.11814  92%
29.5/32
90%
32.5/36
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):
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:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  Recalibrate current list to reference using selected engines only
  Recalibrate current list to reference using all common engines


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019