CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Custom engine selection

Comparing 6 engines!
6 selected engines played 0 games with each other

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on March 6, 2021 with Bayeselo based on 1'223'030 games
Please refer to the "about" page for comments on engine inclusion

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+
 Lozza 2.0 64-bit2659+115−10671.2%−133.842.3%26 
99.9%
1Lozza 1.18 64-bit2473+15−1548.3%+12.233.2%1489
99.2%
 Lozza 1.17a 64-bit2444+17−1748.1%+11.833.7%1113
99.8%
 Lozza 1.16 64-bit2399+25−2549.0%+7.533.5%526
99.8%
 Lozza 1.15 64-bit2348+25−2552.4%−17.034.2%530
100.0%
 Lozza 1.14a 64-bit2247+28−2846.8%+25.428.1%434
 

Results matrix

Custom engine selection
#NameElo123456
1Lozza 2.0 64-bit2659      
2Lozza 1.18 64-bit2473      
3Lozza 1.17a 64-bit2444      
4Lozza 1.16 64-bit2399      
5Lozza 1.15 64-bit2348      
6Lozza 1.14a 64-bit2247      
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
1Lozza 2.0 64-bit2659 99.9100.0100.0100.0100.0
2Lozza 1.18 64-bit24730.1 99.2100.0100.0100.0
3Lozza 1.17a 64-bit24440.00.8 99.8100.0100.0
4Lozza 1.16 64-bit23990.00.00.2 99.8100.0
5Lozza 1.15 64-bit23480.00.00.00.2 100.0
6Lozza 1.14a 64-bit22470.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456
1Lozza 2.0 64-bit2659 480000
2Lozza 1.18 64-bit247348 5551608940
3Lozza 1.17a 64-bit24440555 354166126
4Lozza 1.16 64-bit23990160354 21292
5Lozza 1.15 64-bit2348089166212 348
6Lozza 1.14a 64-bit224704012692348 
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
1Lozza 2.0 64-bit2659 3.20.00.00.00.0
2Lozza 1.18 64-bit24733.2 21.37.94.42.1
3Lozza 1.17a 64-bit24440.021.3 21.610.18.1
4Lozza 1.16 64-bit23990.07.921.6 20.19.6
5Lozza 1.15 64-bit23480.04.410.120.1 36.1
6Lozza 1.14a 64-bit22470.02.18.19.636.1 
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 88 common opponents

Custom engine selection
NameEloLozza
2.0
64-bit
Lozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Phalanx XXV2619 0%
0/1
12%
0.5/4
   
Delocto 0.6 64-bit2580 28%
4.5/16
25%
1/4
   
Jumbo 0.7.0 64-bit256075%
1.5/2
75%
3/4
    
JikChess 0.02 64-bit2559  38%
3/8
50%
1/2
  
Detroid 1.0.1 64-bit255875%
1.5/2
38%
4.5/12
    
Ghost 3.1 64-bit2552 35%
7/20
38%
1.5/4
   
paulchen332 0.1.1 64-bit254550%
1/2
25%
1/4
    
FrankWalter 2.4.0 64-bit253975%
1.5/2
45%
10/22
    
Maverick 1.5 64-bit2537 25%
1/4
29%
9/31
0%
0/2
  
K2 0.832534  12%
0.5/4
19%
1.5/8
  
nanoSzachy 4.1 64-bit2534 25%
1/4
34%
7.5/22
25%
0.5/2
  
Fridolin 2.00 64-bit2532 19%
1.5/8
19%
1.5/8
25%
1.5/6
  
Raven 1.10 64-bit253067%
2/3
29%
4/14
    
Axolotl 1.9 64-bit252975%
1.5/2
31%
2.5/8
    
Bagatur 1.5e 64-bit2518 25%
1/4
44%
3.5/8
   
CyberPagno 3.0 64-bit2515 45%
4.5/10
50%
10/20
 20%
2/10
 
Betsabe II 1.752509 33%
4/12
43%
6/14
   
Dorky 4.5 64-bit2501 38%
1.5/4
47%
14/30
   
Delphil 3.2 64-bit2496 50%
3/6
36%
5/14
50%
1/2
  
MadChess 2.2 64-bit2494 47%
18/38
25%
4.5/18
   
NameEloLozza
2.0
64-bit
Lozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Green Light Chess 3.01.2.22490 0%
0/1
0%
0/1
   
Ghost 2.0.2 64-bit2486  61%
8.5/14
50%
1/2
  
Jumbo 0.6.10 64-bit2484 38%
3/8
67%
12/18
   
Zurichess Geneva 64-bit2484  40%
4/10
33%
2/6
  
Shield 1.2 64-bit2474  57%
8/14
50%
1/2
  
Bumblebee 1.0 64-bit2467 62%
2.5/4
75%
7.5/10
56%
9/16
  
Carballo 1.22464 38%
3/8
  25%
0.5/2
 
Giraffe 20150908 64-bit2463 50%
4/8
50%
2/4
52%
12.5/24
31%
2.5/8
 
Nemeton 1.512454 50%
4/8
44%
11.5/26
  8%
0.5/6
Orion 0.4 64-bit2453 42%
8.5/20
61%
11/18
   
Bumblebee 1.0.36898e1 64-bit2448 62%
2.5/4
59%
20/34
   
Betsabe II 1.472444   55%
5.5/10
 15%
1.5/10
Bagatur 1.4b 64-bit2443   25%
0.5/2
25%
2.5/10
 
Shallow r694 64-bit2443 66%
10.5/16
50%
4/8
   
Bearded N44.5 64-bit2441 63%
9.5/15
38%
1.5/4
   
TJchess 1.3 64-bit2435 38%
4.5/12
48%
11.5/24
   
Snitch 1.6.2 64-bit2434 50%
1/2
70%
7/10
   
Cmcchess 2.6 64-bit2422 55%
5.5/10
33%
6/18
44%
10.5/24
50%
1/2
 
PostModernist 10162418 56%
4.5/8
70%
7/10
35%
3.5/10
  
Gaia 3.5 64-bit2417 25%
0.5/2
70%
7/10
 25%
0.5/2
25%
2.5/10
NameEloLozza
2.0
64-bit
Lozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
RomiChess P3n 64-bit2415 56%
19/34
38%
3/8
   
Ifrit m1.8 64-bit2413  62%
2.5/4
 56%
5/9
10%
1/10
Ares 1.005.2 64-bit2412 50%
1/2
47%
7.5/16
39%
11/28
  
Dragon 4.62406   35%
3.5/10
25%
2/8
 
Amy 0.87b2403  50%
5/10
 50%
1/2
 
Gosu 0.162403 50%
4/8
  0%
0/1
 
Sjakk 2.0 64-bit2403   40%
4/10
38%
3/8
30%
3/10
Simplex 0.9.8 64-bit2402  40%
4/10
 75%
1.5/2
 
Myrddin 0.87 64-bit2397 55%
5.5/10
61%
11/18
70%
7/10
40%
6/15
25%
2.5/10
Patzer 3.802397 65%
6.5/10
  50%
1/2
 
Alex 2.14a 64-bit2394  60%
6/10
50%
5/10
  
Waxman 20142391   62%
2.5/4
40%
6/15
 
Ares GB 1.1 64-bit2389100%
3/3
67%
6/9
    
Orion 0.3.0 64-bit2389  59%
13/22
75%
3/4
  
Comet B682385   60%
6/10
33%
1/3
 
Waxman 20162379  62%
7.5/12
 62%
5/8
 
OliThink 5.3.2 64-bit2375 50%
4/8
88%
3.5/4
45%
4.5/10
100%
1/1
 
MadChess 2.0 64-bit2371   64%
9/14
42%
5/12
 
Waxman 20172371 67%
8/12
88%
3.5/4
   
Plisk 0.2.7d 64-bit2363    83%
2.5/3
30%
3/10
NameEloLozza
2.0
64-bit
Lozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Donna 1.0 64-bit2358    56%
4.5/8
30%
3/10
Nemeton 1.412357   50%
2/4
60%
6/10
 
K2 0.672356  60%
6/10
30%
3/10
  
GreKo 5.92347    81%
6.5/8
45%
4.5/10
Jazz 840 64-bit2341   61%
11/18
41%
6.5/16
50%
2/4
CyberPagno 2.2 64-bit2337  50%
5/10
 35%
3.5/10
 
Daydreamer 1.52337  65%
6.5/10
40%
4/10
  
Gibbon 2.60a 64-bit2337  70%
7/10
 38%
1.5/4
60%
6/10
Gibbon 2.69a 64-bit2320   75%
3/4
59%
9.5/16
 
pikoSzachy Extreme2309    62%
2.5/4
36%
5/14
Capivara LK 0.09a01a 64-bit2308  70%
7/10
65%
6.5/10
 35%
3.5/10
Fischerle 0.9.65 64-bit2290   88%
3.5/4
50%
1.5/3
 
Matilde 2008 64-bit2290    100%
1/1
50%
5.5/11
FireFly 2.7.0 64-bit2288    61%
8.5/14
20%
1/5
Orion 0.2 64-bit2280    39%
7/18
70%
3.5/5
Fischerle 0.9.60 64-bit2266    25%
1/4
38%
1.5/4
Protej 0.5.8c2257    45%
4.5/10
38%
1.5/4
Exacto 0.e 64-bit2253    56%
4.5/8
50%
2/4
Beowulf 2.4a 64-bit2250    50%
4/8
45%
4.5/10
MadChess 1.4 64-bit2249    69%
5.5/8
88%
7/8
NameEloLozza
2.0
64-bit
Lozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Mango Paola Ajedrez 4.12246    83%
5/6
38%
3/8
Fischerle 0.9.50 64-bit2245    81%
6.5/8
70%
7/10
Absolute Zero 2.4.0.0 64-bit2244    50%
8/16
100%
4/4
ChessKISS 1.7c 64-bit2215    75%
1.5/2
65%
6.5/10
NG-Play 9.85 64-bit2192    56%
4.5/8
50%
5/10
Prophet 2.0 64-bit2178    69%
5.5/8
46%
11/24
NG-Play 9.86 64-bit2172    88%
3.5/4
38%
1.5/4
GopherCheck 0.2.2 64-bit2142  100%
4/4
  50%
2/4
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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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 March 6, 2021