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 6 engines!
6 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+
1Myrddin 0.87 64-bit 4CPU2465+31−3153.8%−26.425.9%370 
100.0%
 Myrddin 0.87 64-bit2379+12−1249.3%+5.324.0%2400
91.3%
 Myrddin 0.86 64-bit2366+15−1548.3%+12.023.9%1724
100.0%
 Myrddin 0.85 64-bit2236+16−1650.8%−7.022.5%1522
100.0%
 Myrddin 0.83k 64-bit2082+17−1751.3%−9.723.5%1278
100.0%
 Myrddin 0.82 32-bit1915+19−2037.1%+112.115.2%1173
 

Results matrix

Custom engine selection
#NameElo123456
1Myrddin 0.87 64-bit 4CPU2465      
2Myrddin 0.87 64-bit2379      
3Myrddin 0.86 64-bit2366      
4Myrddin 0.85 64-bit2236      
5Myrddin 0.83k 64-bit2082      
6Myrddin 0.82 32-bit1915      
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
#NameElo123456
1Myrddin 0.87 64-bit 4CPU2465 100.0100.0100.0100.0100.0
2Myrddin 0.87 64-bit23790.0 91.3100.0100.0100.0
3Myrddin 0.86 64-bit23660.08.7 100.0100.0100.0
4Myrddin 0.85 64-bit22360.00.00.0 100.0100.0
5Myrddin 0.83k 64-bit20820.00.00.00.0 100.0
6Myrddin 0.82 32-bit19150.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456
1Myrddin 0.87 64-bit 4CPU2465 840000
2Myrddin 0.87 64-bit237984 18113961567
3Myrddin 0.86 64-bit236601811 7760192
4Myrddin 0.85 64-bit22360396776 1085562
5Myrddin 0.83k 64-bit208201501085 1561
6Myrddin 0.82 32-bit19150671925621561 
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
#NameElo123456
1Myrddin 0.87 64-bit 4CPU2465 3.00.00.00.00.0
2Myrddin 0.87 64-bit23793.0 43.910.10.41.9
3Myrddin 0.86 64-bit23660.043.9 23.90.06.6
4Myrddin 0.85 64-bit22360.010.123.9 38.820.9
5Myrddin 0.83k 64-bit20820.00.40.038.8 63.7
6Myrddin 0.82 32-bit19150.01.96.620.963.7 
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 82 common opponents

Custom engine selection
NameEloMyrddin
0.87
64-bit
4CPU
Myrddin
0.87
64-bit
Myrddin
0.86
64-bit
Myrddin
0.85
64-bit
Myrddin
0.83k
64-bit
Myrddin
0.82
32-bit
Magnum 4.0 32-bit2492 50%
1/2
10%
1/10
   
Gothmog 1.0b10247846%
17.5/38
29%
9/31
    
SpiderChess 070603243957%
21/37
0%
0/1
    
Bumblebee 1.0 64-bit243561%
22/36
0%
0/1
    
Shallow 2 rev8 64-bit242951%
18.5/36
0%
0/1
    
Eeyore 1.52 64-bit2426 100%
1/1
50%
21/42
   
Nejmet 3.072425 25%
0.5/2
44%
13.5/31
   
Quark 2.35242353%
19.5/37
100%
1/1
    
Gromit 3.82242255%
20.5/37
50%
0.5/1
    
Dragon 4.62418 42%
13.5/32
45%
14.5/32
   
Hussar 0.42418 39%
13/33
46%
19.5/42
32%
10/31
  
RomiChess P3L 64-bit2411 50%
16/32
43%
18/42
   
Simplex 0.9.8 64-bit2410 62%
20/32
31%
10/32
   
Ifrit m1.8 64-bit2401 48%
15.5/32
49%
20.5/42
   
OliThink 5.3.2 64-bit2401 50%
0.5/1
45%
18.5/41
   
PostModernist 10162389 30%
10.5/35
33%
10.5/32
   
Comet B502388 41%
12/29
55%
17.5/32
   
Leila 0.53h2386 38%
12.5/33
64%
20.5/32
   
Amy 0.87b2385 50%
16.5/33
45%
14/31
   
Gosu 0.162381 38%
12/32
44%
14/32
   
NameEloMyrddin
0.87
64-bit
4CPU
Myrddin
0.87
64-bit
Myrddin
0.86
64-bit
Myrddin
0.85
64-bit
Myrddin
0.83k
64-bit
Myrddin
0.82
32-bit
Patzer 3.802374 33%
10.5/32
40%
12.5/31
   
Der Bringer 1.92373 34%
11/32
61%
19.5/32
   
Muse 0.899b2371 75%
19.5/26
38%
12/32
   
Terra 3.42368 64%
20.5/32
50%
16/32
36%
11.5/32
  
The Crazy Bishop 00522364 59%
19.5/33
55%
17.5/32
   
Amateur 2.822351 45%
14/31
38%
12/32
   
Alex 2.14a 64-bit2347 55%
17.5/32
61%
19.5/32
   
Tigran 2.4n 64-bit2345 65%
22/34
56%
17.5/31
   
Horizon 4.42342 44%
14.5/33
56%
18/32
   
Plisk 0.2.7d 64-bit2341 65%
6.5/10
50%
16/32
   
Queen 4.032337 45%
14.5/32
45%
14.5/32
   
TJchess 1.1 64-bit2337 58%
18.5/32
58%
18.5/32
39%
12.5/32
  
Arion 1.72333 77%
24.5/32
55%
17.5/32
28%
9/32
 6%
2/32
Ares 1.0042332  47%
15/32
23%
7/31
  
Gibbon 2.60a 64-bit2332 66%
20.5/31
34%
11/32
   
Waxman 20142331 70%
22.5/32
67%
21.5/32
   
Sage 3.532325 61%
20/33
52%
16.5/32
39%
12.5/32
  
Chezzz 1.0.32324 57%
19.5/34
56%
18/32
44%
14/32
  
CyberPagno 2.2 64-bit2320 52%
16.5/32
64%
20.5/32
   
Sungorus 1.4 64-bit2313 100%
1/1
50%
16/32
31%
10/32
  
NameEloMyrddin
0.87
64-bit
4CPU
Myrddin
0.87
64-bit
Myrddin
0.86
64-bit
Myrddin
0.85
64-bit
Myrddin
0.83k
64-bit
Myrddin
0.82
32-bit
Averno 0.812307 100%
1/1
56%
14.5/26
   
KnightX 1.922297  73%
23.5/32
55%
17.5/32
 8%
2.5/32
Gibbon 2.57a 64-bit2286  52%
16.5/32
56%
18/32
  
Popochin 3.22275  62%
20/32
34%
11/32
 5%
1.5/32
Sjakk 1.1.92273  56%
18/32
36%
11.5/32
  
Zeus 1.292262 100%
2/2
  27%
8.5/32
 
Natwarlal 0.142261    34%
11/32
19%
6/32
Anechka 0.082234   50%
16/32
31%
10/32
14%
4.5/32
OBender 3.2.x2224   52%
16.5/32
27%
8.5/32
 
EXchess 4.032214   48%
15.5/32
36%
11.5/32
12%
4/32
Chispa 4.0.32206   55%
17.5/32
22%
7/32
 
CyberPagno 2.12205   55%
17.5/32
27%
8.5/32
 
Beowulf 2.4a 32-bit2202 50%
0.5/1
 59%
19/32
41%
13/32
 
Atak 6.82183   47%
15/32
39%
12.5/32
 
Genesis 2.02170   62%
20/32
34%
10.5/31
 
InmiChess3.06N2162   62%
20/32
42%
13.5/32
15%
4.5/31
BlackBishop 1.02156   72%
23/32
44%
14/32
 
Alarm 0.93.12145   61%
19.5/32
44%
14/32
 
Lime 662143   63%
19.5/31
34%
11/32
22%
7/32
Fortress 1.622134 100%
1/1
 50%
15.5/31
44%
14/32
 
NameEloMyrddin
0.87
64-bit
4CPU
Myrddin
0.87
64-bit
Myrddin
0.86
64-bit
Myrddin
0.85
64-bit
Myrddin
0.83k
64-bit
Myrddin
0.82
32-bit
FireFly 2.5.8 64-bit2133   62%
20/32
45%
14.5/32
 
WJChess 1.642131   73%
23.5/32
42%
13.5/32
 
Adam 3.22123    53%
17/32
23%
7.5/32
BikJump 2.01 64-bit2104   73%
23.5/32
47%
15/32
27%
8.5/32
Wing 2.0a2101   59%
19/32
56%
18/32
25%
5/20
Matheus 2.32059 100%
1/1
  56%
18/32
38%
7.5/20
Bestia 0.902021    39%
12.5/32
39%
12.5/32
Small Potato 0.6.11992    69%
22/32
56%
18/32
BigLion 2.23x1988    55%
17.5/32
48%
15.5/32
Faile 1.4.41977    62%
20/32
38%
12/32
Sjakk 1.1.51974    48%
15.5/32
36%
11.5/32
SSEChessII 2.05 DC1967    70%
22.5/32
45%
14.5/32
Marvin 1.3.01966    67%
21.5/32
42%
8.5/20
Micro-Max 4.81953    77%
24/31
45%
14/31
Rival 1.181953    69%
22/32
41%
13/32
JanWillem 1.131951    70%
22.5/32
48%
15.5/32
Smash 1.0.31924    75%
24/32
53%
17/32
Heracles 0.6.161921    64%
20.5/32
56%
18/32
BamBam1913    69%
22/32
45%
14.5/32
Warrior 1.0.31906    77%
24.5/32
45%
14.5/32
NameEloMyrddin
0.87
64-bit
4CPU
Myrddin
0.87
64-bit
Myrddin
0.86
64-bit
Myrddin
0.85
64-bit
Myrddin
0.83k
64-bit
Myrddin
0.82
32-bit
Clueless 1.41904    72%
23/32
55%
17.5/32
Beaches 2.321803    75%
24/32
53%
17/32
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
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Reference rating list:
Recalibrate:
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  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