CCRL 40/40
Downloads and Statistics
April 20, 2019
Testing summary:
Total: 1'030'366 games
played by 2'431 programs
141330 CPU days (X2 4600+)

White wins: 358'090 (34.8%)
Black wins: 266'587 (25.9%)
Draws: 405'689 (39.4%)
White score: 54.4%

Custom engine selection

Comparing 3 engines!
3 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 Intel CPU.
Computed on April 20, 2019 with Bayeselo based on 1'030'366 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+
1GNU Chess 5.60 64-bit2808+17−1749.0%+4.541.8%1105 
100.0%
 GNU Chess 5.50 64-bit2757+19−1948.5%+9.637.6%927
100.0%
 GNU Chess 5.07.153b 64-bit2570+23−2350.2%−2.432.1%657
 

Results matrix

Custom engine selection
#NameElo123
1GNU Chess 5.60 64-bit2808   
2GNU Chess 5.50 64-bit2757   
3GNU Chess 5.07.153b 64-bit2570   
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
#NameElo123
1GNU Chess 5.60 64-bit2808 100.0100.0
2GNU Chess 5.50 64-bit27570.0 100.0
3GNU Chess 5.07.153b 64-bit25700.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1GNU Chess 5.60 64-bit2808 31153
2GNU Chess 5.50 64-bit2757311 147
3GNU Chess 5.07.153b 64-bit257053147 
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
#NameElo123
1GNU Chess 5.60 64-bit2808 15.33.0
2GNU Chess 5.50 64-bit275715.3 9.3
3GNU Chess 5.07.153b 64-bit25703.09.3 
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 34 common opponents

Custom engine selection
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
5.07.153b
64-bit
Gaviota 1.0 64-bit285975%
1.5/2
67%
4/6
 
MinkoChess 1.3 64-bit285450%
1/2
42%
5/12
 
Toga II 3.0285025%
0.5/2
21%
3/14
 
Nemo 1.0.1 64-bit284725%
0.5/2
29%
3.5/12
 
NirvanaChess 1.8 64-bit282864%
11.5/18
25%
0.5/2
 
Murka 3 64-bit282443%
6/14
18%
2.5/14
 
Crafty 24.1 64-bit280350%
7/14
0%
0/2
 
Cheng4 0.36c 64-bit279864%
13.5/21
53%
9.5/18
 
Atlas 3.70em 64-bit278752%
11.5/22
35%
3.5/10
 
Rodent 1.5 64-bit278450%
5/10
50%
1/2
 
Gaviota 0.86 64-bit2782 46%
5.5/12
12%
0.5/4
Scorpio 2.7.6 64-bit278125%
1.5/6
55%
17.5/32
 
Rhetoric 1.4.1 64-bit277669%
16.5/24
42%
2.5/6
 
EXchess 7.18b 64-bit2775 56%
4.5/8
25%
2.5/10
Octochess r5190 64-bit277246%
5.5/12
48%
24/50
 
Dirty 20Apr2013 64-bit277056%
4.5/8
38%
12/32
 
Godel 3.4.9 64-bit272775%
3/4
48%
9.5/20
 
Rhetoric 1.2 64-bit2695 75%
4.5/6
45%
4.5/10
Rodent 1.2 64-bit2690 75%
3/4
5%
0.5/10
EXchess 6.71b 64-bit2685 65%
6.5/10
25%
1/4
NameEloGNU
Chess
5.60
64-bit
GNU
Chess
5.50
64-bit
GNU
Chess
5.07.153b
64-bit
Tucano 5.00 64-bit267950%
2/4
75%
3/4
 
Djinn 1.021 64-bit266888%
3.5/4
75%
3/4
 
Tucano 4.00 64-bit2665 50%
2/4
40%
4/10
Pawny 1.0 64-bit266050%
2/4
72%
13/18
 
RedQueen 1.1.97 64-bit266075%
3/4
54%
6.5/12
45%
4.5/10
Vajolet 2.032660 75%
1.5/2
12%
0.5/4
Atlas 3.50 64-bit2659 100%
2/2
55%
5.5/10
RedQueen 1.1.4 64-bit2653 75%
1.5/2
35%
3.5/10
Rotor 0.8262888%
3.5/4
75%
3/4
33%
2/6
Pedone 0.5 64-bit262775%
3/4
38%
1.5/4
 
Alfil 13.1 64-bit2626100%
4/4
75%
3/4
50%
2.5/5
Nebula 2.0 64-bit2624 75%
7.5/10
50%
1/2
Rodin 7.0260088%
3.5/4
 35%
3.5/10
Glass 2.0 64-bit259688%
3.5/4
 33%
2/6
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:
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  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 April 20, 2019