CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 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 CPU.
Computed on December 7, 2019 with Bayeselo based on 2'143'600 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+
1Lozza 1.18 64-bit2445+16−1650.2%−1.529.0%1431 
99.9%
 Lozza 1.17a 64-bit2409+18−1850.0%−1.828.5%1100
100.0%
 Lozza 1.16 64-bit2360+14−1451.4%−10.024.7%1784
100.0%
 Lozza 1.13 64-bit2219+18−1853.5%−26.125.0%1053
 

Results matrix

Custom engine selection
#NameElo1234
1Lozza 1.18 64-bit2445    
2Lozza 1.17a 64-bit2409    
3Lozza 1.16 64-bit2360    
4Lozza 1.13 64-bit2219    
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
1Lozza 1.18 64-bit2445 99.9100.0100.0
2Lozza 1.17a 64-bit24090.1 100.0100.0
3Lozza 1.16 64-bit23600.00.0 100.0
4Lozza 1.13 64-bit22190.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Lozza 1.18 64-bit2445 99675118
2Lozza 1.17a 64-bit2409996 9499
3Lozza 1.16 64-bit2360751949 396
4Lozza 1.13 64-bit2219189396 
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
1Lozza 1.18 64-bit2445 39.423.40.7
2Lozza 1.17a 64-bit240939.4 32.90.4
3Lozza 1.16 64-bit236023.432.9 14.0
4Lozza 1.13 64-bit22190.70.414.0 
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 63 common opponents

Custom engine selection
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.13
64-bit
Yace 0.99.87250446%
13/28
 0%
0/1
 
CyberPagno 3.0 64-bit249143%
12/28
 37%
15.5/42
 
Kiwi 0.6d 64-bit24700%
0/1
 50%
0.5/1
 
Xpdnt 091007246950%
0.5/1
50%
0.5/1
  
Matacz 1.42446100%
1/1
0%
0/1
0%
0/1
 
Ares 1.005.2 64-bit244153%
31.5/59
47%
14/30
  
SpiderChess 070603243961%
16.5/27
 39%
12.5/32
 
MadChess 2.2 64-bit243648%
15.5/32
47%
15/32
  
Abrok 5.0243554%
32.5/60
45%
14/31
  
King of Kings 2.56243446%
12.5/27
 31%
10/32
 
LambChop 10.99243444%
14/32
56%
18/32
31%
16/52
 
Shallow 2 rev8 64-bit2429100%
1/1
 33%
7/21
 
Eeyore 1.52 64-bit242775%
1.5/2
45%
13.5/30
42%
12.5/30
 
Gaia 3.5 64-bit242558%
18.5/32
48%
30/62
36%
18.5/52
 
Nejmet 3.07242550%
16/32
41%
13/32
30%
15.5/51
 
Quark 2.352423 42%
12.5/30
54%
28/52
 
Caligula 0.7b2421100%
1/1
100%
1/1
100%
1/1
 
Hussar 0.4242033%
11/33
38%
12.5/33
33%
11/33
 
Orion 0.4 64-bit241944%
14/32
48%
15.5/32
  
Dragon 4.6241853%
17.5/33
39%
24/62
44%
14/32
 
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.13
64-bit
Simplex 0.9.8 64-bit240965%
21.5/33
52%
32/61
39%
12.5/32
 
Ifrit m1.8 64-bit240450%
17/34
48%
15.5/32
33%
10.5/32
 
OliThink 5.3.2 64-bit2402100%
1/1
 53%
17.5/33
 
TJchess 1.3 64-bit239950%
0.5/1
 58%
18.5/32
 
KnightDreamer 3.323930%
0/1
0%
0/1
  
Teki 2 64-bit239260%
17.5/29
73%
20.5/28
  
Bearded N44.5 64-bit2391 62%
18.5/30
50%
0.5/1
 
Leila 0.53h2388100%
1/1
100%
1/1
  
Diablo 0.5.12385 54%
33.5/62
0%
0/1
 
Capture R012384 72%
23/32
47%
14.5/31
 
Gosu 0.162382100%
1/1
 50%
0.5/1
 
Myrddin 0.87 64-bit23810%
0/1
 0%
0/1
 
Comet B682377100%
1/1
0%
0/1
100%
1/1
 
Der Bringer 1.92374 100%
1/1
100%
1/1
 
Patzer 3.802374100%
1/1
55%
30.5/55
  
Giraffe 20161023 64-bit2370 65%
19.5/30
46%
12/26
 
Terra 3.42368 48%
15.5/32
50%
10/20
 
The Crazy Bishop 00522364 25%
0.5/2
48%
9.5/20
 
Horizon 4.4234250%
1/2
 0%
0/1
 
TJchess 1.1 64-bit233864%
20.5/32
53%
17/32
  
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.13
64-bit
Sorgenkind 0.42329 100%
1/1
61%
11.5/19
 
Sage 3.532325 50%
1/2
57%
12/21
 
Chezzz 1.0.32324100%
1/1
 72%
11.5/16
 
Jazz 840 64-bit2320  50%
1/2
26%
8/31
Barbarossa 0.4.0 64-bit2319100%
1/1
 66%
25/38
 
Aice 0.99.2231575%
1.5/2
50%
0.5/1
41%
6.5/16
 
KnightX 1.92229750%
0.5/1
 100%
1/1
 
Esc 1.162267 100%
1/1
68%
22.5/33
 
Fischerle 0.9.65 64-bit2267  64%
20.5/32
47%
14/30
Zeus 1.292262100%
1/1
 47%
15/32
 
Ant 2006-F2236  79%
26/33
55%
16.5/30
Anechka 0.082235  70%
23/33
52%
16.5/32
AliChess 4.252229  66%
21/32
58%
18/31
OBender 3.2.x2225  78%
25/32
47%
15/32
Adam 3.32220 100%
1/1
72%
23/32
58%
18.5/32
Chispa 4.0.32207  25%
0.5/2
58%
18.5/32
Beowulf 2.4a 32-bit220350%
1/2
  45%
14.5/32
Uralochka 1.1b2189100%
1/1
  44%
14/32
Mango Paola Ajedrez 1.02185 50%
0.5/1
 61%
19.5/32
Atak 6.82184100%
1/1
  62%
20/32
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.13
64-bit
Madeleine 0.22182  50%
0.5/1
55%
17.5/32
Lime 66214375%
1.5/2
  40%
12.5/31
Nesik 0.7.0 alpha2133 100%
1/1
 69%
22/32
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%

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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

Maximum size of cross-tables (from 2 to 100):
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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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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019