CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 10 engines!
10 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 September 21, 2019 with Bayeselo based on 1'084'933 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+
1Betsabe II 1.962577+27−2750.5%−1.627.6%468 
98.3%
 Betsabe II 1.842543+14−1448.2%+14.725.6%1855
99.6%
 Betsabe II 1.752508+22−2251.8%−14.823.3%730
99.8%
 Betsabe II 1.662462+22−2246.7%+24.628.4%718
90.1%
 Betsabe II 1.472443+20−2049.9%+1.825.3%902
87.1%
 Betsabe II 1.30 64-bit2425+23−2348.8%+7.826.5%706
98.9%
 Betsabe II 1.28 64-bit2378+34−3450.2%+1.724.8%310
100.0%
 Betsabe II 1.08c2236+35−3549.2%+8.021.0%300
86.4%
 Betsabe II 1.09c2208+34−3548.2%+12.419.8%308
97.8%
 Betsabe II 1.052159+34−3445.2%+32.924.2%314
 

Results matrix

Custom engine selection
#NameElo12345678910
1Betsabe II 1.962577          
2Betsabe II 1.842543          
3Betsabe II 1.752508          
4Betsabe II 1.662462          
5Betsabe II 1.472443          
6Betsabe II 1.30 64-bit2425          
7Betsabe II 1.28 64-bit2378          
8Betsabe II 1.08c2236          
9Betsabe II 1.09c2208          
10Betsabe II 1.052159          
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
#NameElo12345678910
1Betsabe II 1.962577 98.3100.0100.0100.0100.0100.0100.0100.0100.0
2Betsabe II 1.8425431.7 99.6100.0100.0100.0100.0100.0100.0100.0
3Betsabe II 1.7525080.00.4 99.8100.0100.0100.0100.0100.0100.0
4Betsabe II 1.6624620.00.00.2 90.198.9100.0100.0100.0100.0
5Betsabe II 1.4724430.00.00.09.9 87.199.9100.0100.0100.0
6Betsabe II 1.30 64-bit24250.00.00.01.112.9 98.9100.0100.0100.0
7Betsabe II 1.28 64-bit23780.00.00.00.00.11.1 100.0100.0100.0
8Betsabe II 1.08c22360.00.00.00.00.00.00.0 86.499.9
9Betsabe II 1.09c22080.00.00.00.00.00.00.013.6 97.8
10Betsabe II 1.0521590.00.00.00.00.00.00.00.12.2 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Betsabe II 1.962577 296206144602016000
2Betsabe II 1.842543296 37419826042000
3Betsabe II 1.752508206374 50423815166600
4Betsabe II 1.662462144198504 294103106000
5Betsabe II 1.4724436026238294 463136000
6Betsabe II 1.30 64-bit2425200151103463 22324270
7Betsabe II 1.28 64-bit2378164266106136223 14620
8Betsabe II 1.08c2236006002414 186244
9Betsabe II 1.09c2208000002762186 180
10Betsabe II 1.0521590000000244180 
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
#NameElo12345678910
1Betsabe II 1.962577 12.717.212.14.41.72.10.00.00.0
2Betsabe II 1.84254312.7 14.57.70.90.01.90.00.00.0
3Betsabe II 1.75250817.214.5 34.814.610.56.30.60.00.0
4Betsabe II 1.66246212.17.734.8 18.17.210.30.00.00.0
5Betsabe II 1.4724434.40.914.618.1 28.811.20.00.00.0
6Betsabe II 1.30 64-bit24251.70.010.57.228.8 21.92.42.70.0
7Betsabe II 1.28 64-bit23782.11.96.310.311.221.9 2.310.00.0
8Betsabe II 1.08c22360.00.00.60.00.02.42.3 30.639.7
9Betsabe II 1.09c22080.00.00.00.00.02.710.030.6 28.9
10Betsabe II 1.0521590.00.00.00.00.00.00.039.728.9 
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 150 common opponents

Custom engine selection
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
Spike 1.0a264950%
1/2
29%
3.5/12
        
Cyrano 0.6b17 64-bit264825%
0.5/2
50%
6/12
        
DanaSah 7.3264050%
2/4
32%
11.5/36
        
Orion 0.6 64-bit263488%
3.5/4
50%
2/4
        
NoraGrace 2.0 64-bit2625    17%
1/6
25%
1/4
    
Donna 4.1 64-bit261025%
2/8
25%
1/4
        
Monolith 0.4 64-bit2608 38%
1.5/4
15%
1.5/10
       
Arminius 2015-08-06 64-bit2604   38%
1.5/4
0%
0/2
     
Glass 2.0 64-bit2598    38%
1.5/4
6%
0.5/8
    
Muse 0.953 64-bit259662%
2.5/4
 25%
1/4
       
Jellyfish 1.1 64-bit258050%
2/4
  25%
2/8
25%
1/4
     
GreKo 12.9 64-bit2578   25%
2.5/10
25%
0.5/2
     
Delocto 0.6 64-bit257631%
2.5/8
50%
20/40
39%
7/18
       
Capivara LK 0.09b02f 64-bit2569   15%
1.5/10
38%
3/8
     
DanaSah 5.072569    18%
2.5/14
38%
4.5/12
    
Schooner 1.8 64-bit2567 62%
2.5/4
50%
4/8
       
Coiled 0.4 64-bit2563  12%
1/8
25%
1.5/6
      
Jumbo 0.6.107 64-bit256262%
2.5/4
50%
18/36
        
JikChess 0.02 64-bit2556   50%
4/8
75%
1.5/2
     
Dorky 4.8 64-bit255338%
1.5/4
46%
18.5/40
        
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
Ghost 3.1 64-bit2550 48%
21/44
38%
3/8
       
GreKo 12.0 64-bit2541    43%
3/7
38%
1.5/4
    
chess22k 1.3 64-bit253938%
3/8
58%
7/12
 68%
9.5/14
      
RookieMonster 1.6.7 64-bit253875%
3/4
12%
0.5/4
        
Phalanx XXIV2537    75%
1.5/2
10%
1/10
    
FrankWalter 2.4.0 64-bit253675%
9/12
49%
18.5/38
        
Maverick 1.5 64-bit2534  39%
5.5/14
30%
6/20
75%
1.5/2
     
AnMon 5.66253338%
3/8
54%
6.5/12
        
Carballo 1.4 64-bit253356%
4.5/8
42%
5/12
        
Marvin 2.0.0 64-bit253350%
4/8
71%
8.5/12
 33%
4/12
      
Fridolin 2.00 64-bit2531  20%
2/10
50%
4/8
46%
5.5/12
     
nanoSzachy 4.1 64-bit2529   42%
5/12
38%
1.5/4
     
Sjakk 2.1 64-bit2525    54%
7/13
45%
4.5/10
    
Hakkapeliitta 1.0 64-bit2519    28%
4.5/16
50%
4/8
    
Bagatur 1.5e 64-bit2516 50%
6/12
42%
10/24
       
CyberPagno 3.0 64-bit251150%
4/8
68%
24.5/36
42%
7.5/18
37%
9.5/26
      
Shield 1.3.1 64-bit2510  25%
3.5/14
56%
4.5/8
      
Floyd 0.8 64-bit2509 62%
7.5/12
 43%
6/14
  30%
3/10
   
Maverick 1.0 64-bit2508    50%
5/10
 40%
4/10
   
Arminius 2014-01-18 64-bit2502    46%
5.5/12
45%
4.5/10
    
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
Dorky 4.5 64-bit2499  56%
10/18
41%
6.5/16
      
Delphil 3.2 64-bit2498  55%
5.5/10
56%
4.5/8
47%
7.5/16
45%
4.5/10
    
Pupsi2 0.092497  80%
8/10
 0%
0/2
45%
9/20
    
Winter 0.1.1 64-bit2495 53%
18/34
80%
8/10
       
MadChess 2.2 64-bit2494 53%
8.5/16
50%
15/30
       
Pepito 1.59 64-bit249262%
5/8
 50%
5/10
 35%
3.5/10
29%
3.5/12
    
Delphil 3.0 64-bit2491   25%
2.5/10
 25%
1/4
    
JikChess 0.01 64-bit2488    71%
8.5/12
50%
4/8
    
Ghost 2.0.2 64-bit2485   69%
5.5/8
44%
10.5/24
     
Drosophila 1.5.1 64-bit2480 59%
9.5/16
25%
1/4
       
Bruja 1.9.1 64-bit247988%
7/8
 40%
4/10
       
SpiderChess 070603247975%
6/8
 65%
6.5/10
       
Delphil 3.1 64-bit2477    39%
5.5/14
46%
12.5/27
    
MadChess 2.1 64-bit2476 62%
7.5/12
 39%
7/18
      
Nemeton 1.81247462%
7.5/12
62%
2.5/4
        
Shield 1.2 64-bit2473   69%
5.5/8
50%
1/2
     
Trace 1.37a2472  38%
1.5/4
 100%
1/1
     
Schooner 1.7.0 64-bit2470  64%
9/14
43%
6/14
      
Lozza 1.18 64-bit2469 59%
9.5/16
67%
8/12
       
Dirty 14M-22246769%
5.5/8
  50%
5/10
      
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
Giraffe 20150908 64-bit246075%
6/8
67%
8/12
45%
4.5/10
62%
2.5/4
43%
6/14
 25%
2/8
   
RubiChess 0.8 64-bit2459 50%
6/12
38%
1.5/4
       
Bumblebee 1.0 64-bit245881%
6.5/8
 80%
8/10
 50%
1/2
     
Carballo 1.22458   75%
7.5/10
35%
3.5/10
     
Nemeton 1.512452  75%
7.5/10
59%
13/22
      
Orion 0.4 64-bit2452 62%
7.5/12
67%
4/6
       
Dorky 4.3 64-bit2450    75%
1.5/2
 31%
2.5/8
   
Bumblebee 1.0.36898e1 64-bit2445  0%
0/2
50%
8/16
      
Hussar 0.42444   50%
2/4
0%
0/1
 69%
5.5/8
   
Shallow r694 64-bit244481%
6.5/8
 59%
9.5/16
57%
8/14
      
Abrok 5.0244362%
5/8
 65%
6.5/10
 50%
1/2
     
Lozza 1.17a 64-bit2443  57%
8/14
51%
17.5/34
      
Bearded N44.5 64-bit243775%
6/8
 60%
6/10
       
Snitch 1.6.2 64-bit2436  65%
6.5/10
 25%
0.5/2
     
Taltos rev118 64-bit243669%
5.5/8
63%
24/38
 92%
5.5/6
      
TJchess 1.3 64-bit2434  75%
15/20
50%
12/24
      
Pedone 0.4 64-bit2426    37%
5.5/15
40%
2/5
    
Jumbo 0.4.34 64-bit2423  75%
7.5/10
55%
5.5/10
      
Ares 1.005.2.1 64-bit2421  100%
4/4
62%
5/8
      
Cmcchess 2.6 64-bit2420  45%
4.5/10
56%
10/18
40%
4/10
     
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
PostModernist 10162420  80%
8/10
 75%
1.5/2
     
Ares 1.005 64-bit2418  50%
5/10
60%
6/10
48%
10.5/22
50%
4.5/9
    
RomiChess P3n 64-bit2416 75%
6/8
83%
5/6
       
Shallow r688 64-bit2413    65%
23.5/36
47%
8/17
    
Gaia 3.5 64-bit2412  75%
7.5/10
 50%
1.5/3
     
Ifrit m1.8 64-bit2412  40%
4/10
62%
2.5/4
83%
2.5/3
50%
11/22
56%
4.5/8
   
Ares 1.005.2 64-bit2411  50%
2/4
56%
4.5/8
62%
2.5/4
     
RomiChess P3L 64-bit2400     50%
7/14
29%
3.5/12
   
Simplex 0.9.8 64-bit2400  55%
5.5/10
 42%
5/12
 25%
1/4
   
Tigran 2.4n 64-bit2399   40%
4/10
60%
12/20
58%
11.5/20
    
Myrddin 0.87 64-bit2396   50%
2/4
68%
13/19
     
Shield 1.1 64-bit2394   70%
7/10
  55%
5.5/10
   
Alex 2.14a 64-bit2393    60%
6/10
38%
3/8
40%
4/10
   
Orion 0.3.0 64-bit2387  65%
6.5/10
56%
4.5/8
  38%
3/8
   
Jazz 721 64-bit2385  60%
6/10
 67%
2/3
54%
13/24
    
Waxman 20162378  100%
2/2
67%
8/12
      
OliThink 5.3.2 64-bit2374   88%
3.5/4
 54%
6.5/12
25%
1.5/6
   
iCE 0.22371     75%
7.5/10
 25%
3.5/14
  
TJchess 1.1 64-bit2364     82%
18/22
58%
3.5/6
   
Plisk 0.2.7d 64-bit2361    50%
1/2
 68%
11.5/17
   
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
Myrddin 0.86 64-bit2359    25%
0.5/2
56%
20/36
50%
1/2
   
Donna 1.0 64-bit2357    59%
9.5/16
50%
2/4
    
Jazz 840 64-bit2338    62%
5/8
 62%
5/8
   
Maverick 0.51 64-bit2337    45%
4.5/10
80%
4/5
    
Bagatur 1.3a 64-bit2326    25%
0.5/2
64%
9/14
75%
3/4
   
Sjakk 1.1.92326      58%
3.5/6
 29%
3.5/12
 
ECE 12.012319     60%
6/10
50%
5/10
 50%
1/2
 
Gibbon 2.69a 64-bit2319    75%
3/4
 75%
6/8
   
EveAnn 1.672318     55%
5.5/10
75%
4.5/6
 25%
0.5/2
 
EveAnn 1.71a2318    100%
2/2
53%
9.5/18
    
Mediocre 0.42318      75%
3/4
 12%
1.5/12
 
Waxman 20102308       12%
0.5/4
20%
2/10
12%
0.5/4
Waxman 20112304     50%
2.5/5
67%
4/6
 35%
3.5/10
 
Natwarlal 0.142302      25%
0.5/2
 25%
0.5/2
 
Sjakk 1.1.82302       25%
2/8
 50%
2/4
Anechka 0.082300       50%
1/2
25%
0.5/2
 
Absolute Zero 2.4.7.2 64-bit2295  50%
1/2
    35%
3.5/10
  
Mediocre 0.52293     62%
7.5/12
70%
3.5/5
   
Butcher 1.61 32-bit2285       75%
3/4
25%
0.5/2
 
AliChess 4.252284      75%
4.5/6
50%
4/8
  
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
Galjoen 0.38 64-bit2283        0%
0/4
25%
1/4
Rhetoric Lite2282     75%
4.5/6
50%
3/6
   
Butcher 1.64 64-bit2281     62%
2.5/4
58%
3.5/6
   
Gibbon 2.57a 64-bit2273     25%
0.5/2
70%
7/10
   
AliChess 4.202265       25%
2.5/10
 45%
4.5/10
Tigran 2.3 64-bit2261     93%
6.5/7
62%
2.5/4
   
Brutus 6.02251       44%
3.5/8
 45%
4.5/10
RattateChess 1.0 Nosferatu2251       44%
3.5/8
62%
2.5/4
44%
3.5/8
Atak 6.82236       40%
4/10
58%
3.5/6
36%
5/14
Dolphin 1.0 64-bit2230       45%
4.5/10
50%
1/2
40%
4/10
Bearded N44.22221       42%
2.5/6
42%
7.5/18
 
Beowulf 2.4a 32-bit2217       50%
5/10
75%
3/4
38%
3/8
Adam 3.32210       75%
3/4
81%
6.5/8
44%
8/18
Myrddin 0.85 32-bit2206       33%
2/6
25%
2/8
53%
8.5/16
Jazz 501 32-bit2204       69%
5.5/8
81%
13/16
 
Jazz 444 32-bit2195       55%
5.5/10
 44%
3.5/8
Zevra 1.8.2 r612 64-bit2194        25%
1/4
0%
0/4
FireFly 2.5.13 32-bit2187       43%
6/14
75%
6/8
 
KMTChess 1.2.1 32-bit2182       50%
1/2
58%
3.5/6
38%
1.5/4
ECE 11.012180       88%
3.5/4
 44%
3.5/8
NameEloBetsabe
II
1.96
Betsabe
II
1.84
Betsabe
II
1.75
Betsabe
II
1.66
Betsabe
II
1.47
Betsabe
II
1.30
64-bit
Betsabe
II
1.28
64-bit
Betsabe
II
1.08c
Betsabe
II
1.09c
Betsabe
II
1.05
iCE 0.12161       75%
6/8
 100%
2/2
Chesley r323 32-bit2156       53%
8.5/16
50%
3/6
75%
3/4
KnockOut 0.7.12151       100%
2/2
100%
2/2
50%
1/2
Waxman 20082134       85%
8.5/10
 65%
6.5/10
Barbarossa 0.4.0 64-bit2133        100%
2/2
38%
1.5/4
Kurt 0.9.2 32-bit2113        25%
0.5/2
25%
1/4
Protej 0.5.72054        100%
2/2
100%
2/2
PLP 16615712046        100%
2/2
50%
1/2
Slibo 0.5.12025        88%
3.5/4
50%
1/2
Bubble 1.52011        75%
3/4
75%
1.5/2
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 all common engines


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019