CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 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 May 19, 2019 with Bayeselo based on 2'021'465 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+
1Eeyore 1.52 64-bit2426+10−1047.3%+20.325.1%4129 
100.0%
 Eeyore 1.502343+15−1549.7%+1.723.6%1671
100.0%
 Eeyore 1.482289+12−1252.5%−22.422.5%2625
 

Results matrix

Custom engine selection
#NameElo123
1Eeyore 1.52 64-bit2426   
2Eeyore 1.502343   
3Eeyore 1.482289   
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
1Eeyore 1.52 64-bit2426 100.0100.0
2Eeyore 1.5023430.0 100.0
3Eeyore 1.4822890.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123
1Eeyore 1.52 64-bit2426 713916
2Eeyore 1.502343713 1091
3Eeyore 1.4822899161091 
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
1Eeyore 1.52 64-bit2426 12.313.6
2Eeyore 1.50234312.3 25.4
3Eeyore 1.48228913.625.4 
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 34 common opponents

Custom engine selection
NameEloEeyore
1.52
64-bit
Eeyore
1.50
Eeyore
1.48
Matacz 1.42446100%
1/1
26%
8/31
 
Atlas 3.14b 64-bit243633%
4/12
12%
4/32
 
Nejmet 3.07242553%
17.5/33
31%
10/32
27%
8.5/31
Snitch 1.6.2 32-bit241947%
15.5/33
 34%
11/32
Dragon 4.6241850%
16.5/33
38%
12/32
 
Hussar 0.4241850%
27.5/55
41%
13/32
 
RomiChess P3k 64-bit240866%
21/32
38%
12/32
 
PostModernist 1016238975%
1.5/2
 38%
12/32
Leila 0.53h238658%
19/33
48%
15.5/32
38%
12/32
Amy 0.87b238565%
20/31
 31%
10/32
Gosu 0.16238153%
17/32
47%
15/32
48%
36.5/76
Comet B682377100%
1/1
38%
12/32
31%
10/32
Sjeng 12.13237553%
17/32
 25%
8/32
Patzer 3.80237464%
20.5/32
 37%
12.5/34
Der Bringer 1.9237372%
23/32
44%
14/32
42%
13.5/32
Djinn 0.925x2373 45%
14.5/32
36%
11.5/32
Muse 0.899b237162%
20/32
30%
9.5/32
52%
15.5/30
Dirty ACCA32368 55%
17.5/32
32%
9.5/30
The Crazy Bishop 0052236456%
18/32
 27%
11.5/42
Betsy 6.51 Nobook235650%
0.5/1
 30%
18.5/62
NameEloEeyore
1.52
64-bit
Eeyore
1.50
Eeyore
1.48
Glass 1.32356 38%
12/32
33%
10/30
Homer 2.01235656%
18/32
 34%
11.5/34
Cheese 1.32343 56%
18/32
33%
4/12
Horizon 4.4234274%
24.5/33
55%
17.5/32
41%
14/34
Arion 1.72333 39%
12.5/32
36%
22.5/62
Sage 3.53232553%
17.5/33
52%
16.5/32
53%
18/34
Aice 0.99.22315100%
1/1
 53%
24.5/46
Tytan 9.32 64-bit2304100%
1/1
 41%
14/34
KnightX 1.9222970%
0/1
56%
18/32
59%
43.5/74
Ayito 0.2.9942287100%
1/1
 50%
16/32
Popochin 3.22275 70%
22.5/32
51%
17.5/34
Scidlet 3.61 64-bit2266100%
1/1
 50%
16/32
Natwarlal 0.142261 56%
18/32
50%
17/34
ChessAlex 2.0r4220650%
1/2
 74%
25/34
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 May 19, 2019