CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 5 engines!
5 selected engines played 0 games with each other

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on October 19, 2019 with Bayeselo based on 1'092'341 games

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 1.18 64-bit2468+16−1647.6%+17.133.3%1278 
98.0%
 Lozza 1.17a 64-bit2443+17−1748.1%+11.833.7%1113
99.8%
 Lozza 1.16 64-bit2398+25−2549.0%+7.533.5%526
99.8%
 Lozza 1.15 64-bit2347+25−2552.4%−17.134.2%530
100.0%
 Lozza 1.14a 64-bit2247+28−2946.8%+25.328.1%434
 

Results matrix

Custom engine selection
#NameElo12345
1Lozza 1.18 64-bit2468     
2Lozza 1.17a 64-bit2443     
3Lozza 1.16 64-bit2398     
4Lozza 1.15 64-bit2347     
5Lozza 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
#NameElo12345
1Lozza 1.18 64-bit2468 98.0100.0100.0100.0
2Lozza 1.17a 64-bit24432.0 99.8100.0100.0
3Lozza 1.16 64-bit23980.00.2 99.8100.0
4Lozza 1.15 64-bit23470.00.00.2 100.0
5Lozza 1.14a 64-bit22470.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1Lozza 1.18 64-bit2468 4971387436
2Lozza 1.17a 64-bit2443497 354166126
3Lozza 1.16 64-bit2398138354 21292
4Lozza 1.15 64-bit234774166212 348
5Lozza 1.14a 64-bit22473612692348 
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
#NameElo12345
1Lozza 1.18 64-bit2468 20.87.64.12.1
2Lozza 1.17a 64-bit244320.8 21.610.18.1
3Lozza 1.16 64-bit23987.621.6 20.19.6
4Lozza 1.15 64-bit23474.110.120.1 36.1
5Lozza 1.14a 64-bit22472.18.19.636.1 
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 81 common opponents

Custom engine selection
NameEloLozza
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 XXV26190%
0/1
12%
0.5/4
   
Delocto 0.6 64-bit257730%
4.5/15
25%
1/4
   
JikChess 0.02 64-bit2557 38%
3/8
50%
1/2
  
Ghost 3.1 64-bit255034%
5.5/16
38%
1.5/4
   
K2 0.832534 12%
0.5/4
19%
1.5/8
  
Maverick 1.5 64-bit253425%
1/4
29%
9/31
0%
0/2
  
Fridolin 2.00 64-bit253119%
1.5/8
19%
1.5/8
25%
1.5/6
  
nanoSzachy 4.1 64-bit2530 34%
7.5/22
25%
0.5/2
  
Bagatur 1.5e 64-bit251725%
1/4
44%
3.5/8
   
CyberPagno 3.0 64-bit251262%
2.5/4
50%
10/20
 20%
2/10
 
Betsabe II 1.75250833%
4/12
43%
6/14
   
Dorky 4.5 64-bit250038%
1.5/4
47%
14/30
   
Delphil 3.2 64-bit249850%
2/4
36%
5/14
50%
1/2
  
MadChess 2.2 64-bit249444%
16/36
25%
4.5/18
   
Green Light Chess 3.01.2.224890%
0/1
0%
0/1
   
Ghost 2.0.2 64-bit2485 61%
8.5/14
50%
1/2
  
Jumbo 0.6.10 64-bit248338%
3/8
67%
12/18
   
Zurichess Geneva 64-bit2483 40%
4/10
33%
2/6
  
Shield 1.2 64-bit2474 57%
8/14
50%
1/2
  
Giraffe 20150908 64-bit246150%
4/8
50%
2/4
52%
12.5/24
31%
2.5/8
 
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Bumblebee 1.0 64-bit2459 75%
7.5/10
56%
9/16
  
Carballo 1.2245938%
3/8
  25%
0.5/2
 
Nemeton 1.51245350%
4/8
44%
11.5/26
  8%
0.5/6
Orion 0.4 64-bit245242%
8.5/20
61%
11/18
   
Bumblebee 1.0.36898e1 64-bit244662%
2.5/4
59%
20/34
   
Shallow r694 64-bit244466%
10.5/16
50%
4/8
   
Betsabe II 1.472443  55%
5.5/10
 15%
1.5/10
Bagatur 1.4b 64-bit2442  25%
0.5/2
25%
2.5/10
 
Bearded N44.5 64-bit243873%
8/11
38%
1.5/4
   
TJchess 1.3 64-bit243538%
4.5/12
48%
11.5/24
   
Snitch 1.6.2 64-bit243450%
1/2
70%
7/10
   
Cmcchess 2.6 64-bit242155%
5.5/10
33%
6/18
44%
10.5/24
50%
1/2
 
PostModernist 1016242056%
4.5/8
70%
7/10
35%
3.5/10
  
RomiChess P3n 64-bit241656%
19/34
38%
3/8
   
Gaia 3.5 64-bit241225%
0.5/2
70%
7/10
 25%
0.5/2
25%
2.5/10
Ifrit m1.8 64-bit2412 62%
2.5/4
 56%
5/9
10%
1/10
Ares 1.005.2 64-bit241150%
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
 
Sjakk 2.0 64-bit2403  40%
4/10
38%
3/8
30%
3/10
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Patzer 3.80240265%
6.5/10
  50%
1/2
 
Simplex 0.9.8 64-bit2400 40%
4/10
 75%
1.5/2
 
Myrddin 0.87 64-bit239750%
3/6
61%
11/18
70%
7/10
40%
6/15
25%
2.5/10
Gosu 0.16239650%
4/8
  0%
0/1
 
Alex 2.14a 64-bit2393 60%
6/10
50%
5/10
  
Waxman 20142389  62%
2.5/4
40%
6/15
 
Orion 0.3.0 64-bit2388 59%
13/22
75%
3/4
  
Comet B682384  60%
6/10
33%
1/3
 
Waxman 20162378 62%
7.5/12
 62%
5/8
 
OliThink 5.3.2 64-bit237450%
4/8
88%
3.5/4
45%
4.5/10
100%
1/1
 
MadChess 2.0 64-bit2370  64%
9/14
42%
5/12
 
Waxman 2017237067%
8/12
88%
3.5/4
   
Plisk 0.2.7d 64-bit2361   83%
2.5/3
30%
3/10
Donna 1.0 64-bit2357   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 5.92349   81%
6.5/8
45%
4.5/10
Jazz 840 64-bit2338  61%
11/18
41%
6.5/16
50%
2/4
Gibbon 2.60a 64-bit2337 70%
7/10
 38%
1.5/4
60%
6/10
CyberPagno 2.2 64-bit2336 50%
5/10
 35%
3.5/10
 
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
Daydreamer 1.52336 65%
6.5/10
40%
4/10
  
Gibbon 2.69a 64-bit2319  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
Matilde 2008 64-bit2291   100%
1/1
50%
5.5/11
Fischerle 0.9.65 64-bit2290  88%
3.5/4
50%
1.5/3
 
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-bit2265   25%
1/4
38%
1.5/4
Protej 0.5.8c2253   45%
4.5/10
38%
1.5/4
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 4.12248   83%
5/6
38%
3/8
Fischerle 0.9.50 64-bit2244   81%
6.5/8
70%
7/10
Absolute Zero 2.4.0.0 64-bit2242   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-bit2181   69%
5.5/8
46%
11/24
NG-Play 9.86 64-bit2171   88%
3.5/4
38%
1.5/4
NameEloLozza
1.18
64-bit
Lozza
1.17a
64-bit
Lozza
1.16
64-bit
Lozza
1.15
64-bit
Lozza
1.14a
64-bit
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

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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 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 October 19, 2019