CCRL 40/15
Downloads and Statistics
April 18, 2021
Testing summary:
Total: 1'237'253 games
played by 2'822 programs

White wins: 424'164 (34.3%)
Black wins: 311'650 (25.2%)
Draws: 501'439 (40.5%)
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 April 18, 2021 with Bayeselo based on 1'237'253 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+
1Lozza 2.0 64-bit2605+27−2743.7%+42.434.2%444 
100.0%
 Lozza 1.18 64-bit2472+15−1548.3%+12.733.2%1489
99.2%
 Lozza 1.17a 64-bit2444+17−1848.1%+11.433.7%1113
99.8%
 Lozza 1.16 64-bit2399+25−2549.0%+7.233.5%526
99.8%
 Lozza 1.15 64-bit2347+25−2552.4%−16.534.2%530
100.0%
 Lozza 1.14a 64-bit2247+28−2946.8%+25.028.1%434
 

Results matrix

Custom engine selection
#NameElo123456
1Lozza 2.0 64-bit2605      
2Lozza 1.18 64-bit2472      
3Lozza 1.17a 64-bit2444      
4Lozza 1.16 64-bit2399      
5Lozza 1.15 64-bit2347      
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-bit2605 100.0100.0100.0100.0100.0
2Lozza 1.18 64-bit24720.0 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-bit23470.00.00.00.2 100.0
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-bit2605 1550000
2Lozza 1.18 64-bit2472155 5551608940
3Lozza 1.17a 64-bit24440555 354166126
4Lozza 1.16 64-bit23990160354 21292
5Lozza 1.15 64-bit2347089166212 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-bit2605 8.00.00.00.00.0
2Lozza 1.18 64-bit24728.0 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-bit23470.04.410.120.1 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 91 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
Winter 0.2 64-bit265448%
9.5/20
21%
7.5/35
    
Bagatur 1.7 64-bit263542%
8.5/20
12%
0.5/4
    
Nawito 1906262842%
8.5/20
50%
2/4
    
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-bit255962%
2.5/4
75%
3/4
    
JikChess 0.02 64-bit2558  38%
3/8
50%
1/2
  
Detroid 1.0.1 64-bit255762%
2.5/4
38%
4.5/12
    
Ghost 3.1 64-bit2551 35%
7/20
38%
1.5/4
   
paulchen332 0.1.1 64-bit254738%
1.5/4
25%
1/4
    
FrankWalter 2.4.0 64-bit254062%
2.5/4
45%
10/22
    
Maverick 1.5 64-bit2536 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
  
Axolotl 1.9 64-bit252962%
2.5/4
31%
2.5/8
    
Raven 1.10 64-bit252875%
3/4
29%
4/14
    
Bagatur 1.5e 64-bit2517 25%
1/4
44%
3.5/8
   
CyberPagno 3.0 64-bit2515 45%
4.5/10
50%
10/20
 20%
2/10
 
Betsabe II 1.752508 33%
4/12
43%
6/14
   
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
Dorky 4.5 64-bit2500 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-bit2493 47%
18/38
25%
4.5/18
   
Green Light Chess 3.01.2.22489 0%
0/1
0%
0/1
   
Ghost 2.0.2 64-bit2485  61%
8.5/14
50%
1/2
  
Zurichess Geneva 64-bit2484  40%
4/10
33%
2/6
  
Jumbo 0.6.10 64-bit2483 38%
3/8
67%
12/18
   
Shield 1.2 64-bit2474  57%
8/14
50%
1/2
  
Bumblebee 1.0 64-bit2465 62%
2.5/4
75%
7.5/10
56%
9/16
  
Carballo 1.22464 38%
3/8
  25%
0.5/2
 
Giraffe 20150908 64-bit2462 50%
4/8
50%
2/4
52%
12.5/24
31%
2.5/8
 
Nemeton 1.512453 50%
4/8
44%
11.5/26
  8%
0.5/6
Orion 0.4 64-bit2452 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
Shallow r694 64-bit2443 66%
10.5/16
50%
4/8
   
Bagatur 1.4b 64-bit2442   25%
0.5/2
25%
2.5/10
 
Bearded N44.5 64-bit2441 63%
9.5/15
38%
1.5/4
   
Snitch 1.6.2 64-bit2435 50%
1/2
70%
7/10
   
TJchess 1.3 64-bit2434 38%
4.5/12
48%
11.5/24
   
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
Cmcchess 2.6 64-bit2421 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
RomiChess P3n 64-bit2414 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 4.62405   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-bit2401  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%
4/4
67%
6/9
    
Orion 0.3.0 64-bit2388  59%
13/22
75%
3/4
  
Comet B682384   60%
6/10
33%
1/3
 
Waxman 20162379  62%
7.5/12
 62%
5/8
 
OliThink 5.3.2 64-bit2374 50%
4/8
88%
3.5/4
45%
4.5/10
100%
1/1
 
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
Waxman 20172371 67%
8/12
88%
3.5/4
   
MadChess 2.0 64-bit2370   64%
9/14
42%
5/12
 
Plisk 0.2.7d 64-bit2363    83%
2.5/3
30%
3/10
Donna 1.0 64-bit2358    56%
4.5/8
30%
3/10
Nemeton 1.412356   50%
2/4
60%
6/10
 
K2 0.672355  60%
6/10
30%
3/10
  
GreKo 5.92347    81%
6.5/8
45%
4.5/10
Jazz 840 64-bit2340   61%
11/18
41%
6.5/16
50%
2/4
CyberPagno 2.2 64-bit2337  50%
5/10
 35%
3.5/10
 
Gibbon 2.60a 64-bit2337  70%
7/10
 38%
1.5/4
60%
6/10
Daydreamer 1.52336  65%
6.5/10
40%
4/10
  
Gibbon 2.69a 64-bit2320   75%
3/4
59%
9.5/16
 
Capivara LK 0.09a01a 64-bit2308  70%
7/10
65%
6.5/10
 35%
3.5/10
pikoSzachy Extreme2308    62%
2.5/4
36%
5/14
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-bit2287    61%
8.5/14
20%
1/5
Orion 0.2 64-bit2279    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
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
Exacto 0.e 64-bit2252    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
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-bit2243    50%
8/16
100%
4/4
ChessKISS 1.7c 64-bit2214    75%
1.5/2
65%
6.5/10
NG-Play 9.85 64-bit2191    56%
4.5/8
50%
5/10
Prophet 2.0 64-bit2177    69%
5.5/8
46%
11/24
NG-Play 9.86 64-bit2171    88%
3.5/4
38%
1.5/4
GopherCheck 0.2.2 64-bit2141  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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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):
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:
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Created in 2005-2013 by CCRL team
Last games added on April 18, 2021