CCRL 40/40
Downloads and Statistics
May 25, 2019
Testing summary:
Total: 1'048'225 games
played by 2'458 programs
143565 CPU days (X2 4600+)

White wins: 364'320 (34.8%)
Black wins: 271'251 (25.9%)
Draws: 412'654 (39.4%)
White score: 54.4%

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 May 25, 2019 with Bayeselo based on 1'048'225 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+
1Tucano 7.06 64-bit2847+21−2150.6%−7.949.9%678 
85.1%
 Tucano 7.07 64-bit2832+19−1947.0%+21.539.9%913
73.4%
 Tucano 7.00 64-bit2824+19−1952.2%−19.042.6%846
52.4%
 Tucano 7.05 64-bit2823+29−2951.4%−8.441.5%388
100.0%
 Tucano 6.00 64-bit2724+16−1647.4%+15.540.0%1369
100.0%
 Tucano 5.00 64-bit2679+18−1849.7%+0.441.7%987
81.0%
 Tucano 4.00 64-bit2665+25−2550.3%−1.134.6%546
99.5%
 Tucano 3.00 64-bit2620+24−2448.1%+12.337.2%562
99.2%
 Tucano 2.00 64-bit2572+31−3146.7%+21.337.9%335
92.7%
 Tucano 1.042540+30−3047.2%+17.436.5%359
 

Results matrix

Custom engine selection
#NameElo12345678910
1Tucano 7.06 64-bit2847          
2Tucano 7.07 64-bit2832          
3Tucano 7.00 64-bit2824          
4Tucano 7.05 64-bit2823          
5Tucano 6.00 64-bit2724          
6Tucano 5.00 64-bit2679          
7Tucano 4.00 64-bit2665          
8Tucano 3.00 64-bit2620          
9Tucano 2.00 64-bit2572          
10Tucano 1.042540          
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
1Tucano 7.06 64-bit2847 85.194.891.6100.0100.0100.0100.0100.0100.0
2Tucano 7.07 64-bit283214.9 73.471.0100.0100.0100.0100.0100.0100.0
3Tucano 7.00 64-bit28245.226.6 52.4100.0100.0100.0100.0100.0100.0
4Tucano 7.05 64-bit28238.429.047.6 100.0100.0100.0100.0100.0100.0
5Tucano 6.00 64-bit27240.00.00.00.0 100.0100.0100.0100.0100.0
6Tucano 5.00 64-bit26790.00.00.00.00.0 81.0100.0100.0100.0
7Tucano 4.00 64-bit26650.00.00.00.00.019.0 99.5100.0100.0
8Tucano 3.00 64-bit26200.00.00.00.00.00.00.5 99.2100.0
9Tucano 2.00 64-bit25720.00.00.00.00.00.00.00.8 92.7
10Tucano 1.0425400.00.00.00.00.00.00.00.07.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Tucano 7.06 64-bit2847 359374693174120000
2Tucano 7.07 64-bit2832359 222603600000
3Tucano 7.00 64-bit2824374222 241572300000
4Tucano 7.05 64-bit282369360241 133120030
5Tucano 6.00 64-bit272417436572133 42070181218
6Tucano 5.00 64-bit26791203012420 595283171142
7Tucano 4.00 64-bit2665000070595 30021064
8Tucano 3.00 64-bit2620000018283300 334155
9Tucano 2.00 64-bit2572000312171210334 223
10Tucano 1.04254000001814264155223 
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
1Tucano 7.06 64-bit2847 22.624.565.08.50.70.00.00.00.0
2Tucano 7.07 64-bit283222.6 12.64.61.60.00.00.00.00.0
3Tucano 7.00 64-bit282424.512.6 19.525.81.60.00.00.00.0
4Tucano 7.05 64-bit282365.04.619.5 7.60.90.00.00.40.0
5Tucano 6.00 64-bit27248.51.625.87.6 17.83.70.90.71.0
6Tucano 5.00 64-bit26790.70.01.60.917.8 38.818.312.910.5
7Tucano 4.00 64-bit26650.00.00.00.03.738.8 27.123.87.1
8Tucano 3.00 64-bit26200.00.00.00.00.918.327.1 37.216.8
9Tucano 2.00 64-bit25720.00.00.00.40.712.923.837.2 32.1
10Tucano 1.0425400.00.00.00.01.010.57.116.832.1 
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 159 common opponents

Custom engine selection
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
chess22k 1.11 64-bit298938%
7.5/20
  45%
4.5/10
      
RubiChess 1.3 64-bit297612%
0.5/4
20%
8/40
        
Chiron 1.5 64-bit296535%
7/20
  25%
2.5/10
      
Deuterium 2019.1.36.50 64-bit295725%
1/4
42%
17/40
        
Pirarucu 2.6.1 64-bit292540%
8/20
  40%
4/10
      
Cheng 4.39 64-bit292250%
2/4
  50%
0.5/1
      
Dirty CUCUMBER 64-bit291438%
3/8
42%
17/40
38%
4.5/12
       
Deuterium 2018.1.35.514 64-bit291225%
1/4
 41%
16.5/40
       
Demolito 2018-03-01 64-bit290935%
7/20
  45%
4.5/10
      
Amoeba 2.7 64-bit290445%
9/20
  20%
2/10
      
Atlas 3.91 64-bit290050%
2/4
33%
1/3
61%
8.5/14
       
Hiarcs 13.2289638%
7.5/20
  35%
3.5/10
20%
2/10
     
EXchess 7.97b 64-bit289325%
1/4
 61%
8.5/14
 25%
2/8
     
Winter 0.5 64-bit289138%
1.5/4
35%
14/40
54%
7.5/14
       
Scorpio 2.8 64-bit288612%
0.5/4
 44%
7/16
62%
2.5/4
      
Gull 1.0a 32-bit288538%
7.5/20
  50%
5/10
25%
2.5/10
     
Protector 1.4.0 32-bit2878  25%
2.5/10
 20%
2/10
     
Godel 5.5.1 64-bit286738%
1.5/4
51%
22/43
        
Thinker 5.4d Inert 64-bit2864 41%
16.5/40
35%
3.5/10
       
The Baron 3.44 64-bit286045%
9/20
38%
16.5/43
        
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
Gaviota 1.0 64-bit2859 45%
18/40
75%
1.5/2
       
Dirty 30Apr2017 64-bit2856  38%
6/16
62%
2.5/4
25%
2/8
     
MinkoChess 1.3 64-bit28540%
0/2
 45%
4.5/10
       
Marvin 3.3.2 64-bit285150%
6/12
50%
1.5/3
        
Atlas 3.80 64-bit2848    38%
1.5/4
25%
1/4
    
Nemo 1.0.1 64-bit284725%
0.5/2
 50%
1/2
       
DisasterArea 1.65 64-bit28460%
0/2
 46%
11/24
 31%
2.5/8
     
Tornado 8.0 64-bit284356%
14.5/26
50%
20/40
50%
10/20
45%
4.5/10
12%
1.5/12
     
Scorpio 2.9 MCTS 64-bit283950%
2/4
83%
2.5/3
        
The Baron 3.43 64-bit283867%
2/3
 62%
2.5/4
46%
12/26
      
Marvin 3.2.0 64-bit283650%
7/14
 38%
6/16
       
Fruit Reloaded 3.2.1 64-bit283217%
1/6
50%
21.5/43
45%
4.5/10
38%
1.5/4
      
Counter 3.2 64-bit283158%
11.5/20
50%
21.5/43
        
Murka 3 64-bit282450%
1/2
 50%
1/2
       
Rybka 1.0 64-bit282450%
10/20
  60%
6/10
      
Tornado 6.0 64-bit2820    15%
1.5/10
40%
4/10
    
Zurichess Neuchatel 64-bit281960%
15.5/26
33%
1/3
56%
18/32
46%
12.5/27
      
Toga II 3.1.2SE281860%
12/20
  70%
7/10
      
Tornado 7.0 64-bit2817    38%
6/16
25%
1/4
    
Ethereal 8.37 64-bit281558%
11.5/20
  50%
5/10
12%
0.5/4
     
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
Godel 4.4.5 64-bit281356%
19/34
  54%
13/24
      
GNU Chess 5.60 64-bit281158%
11.5/20
 50%
5/10
40%
4/10
 50%
2/4
    
Rhetoric 1.4.3 64-bit279475%
1.5/2
 42%
5/12
 38%
20.5/54
     
GnuCheese 1.00 64-bit2793    29%
7/24
50%
2/4
    
Monolith 1.0 64-bit279257%
17/30
50%
1.5/3
 65%
6.5/10
      
Loop 13.6 (Loop 2007) 64-bit2790    25%
0.5/2
25%
0.5/2
    
Marvin 3.1.0 64-bit279062%
12.5/20
 50%
2/4
54%
7.5/14
      
Crafty 23.6 64-bit278758%
11.5/20
 75%
7.5/10
45%
4.5/10
45%
4.5/10
     
RuyDos 1.1.0 64-bit278760%
12/20
 58%
3.5/6
55%
5.5/10
      
The Baron 3.29 64-bit2785    44%
3.5/8
38%
1.5/4
    
Octochess r5506 64-bit2781  56%
13.5/24
38%
1.5/4
46%
5.5/12
     
RuyDos 1.1.6 64-bit2781  55%
21/38
62%
2.5/4
      
Scorpio 2.7.6 64-bit2781     25%
2/8
50%
2/4
   
Pawny 1.2 64-bit2778  60%
12/20
 37%
9.5/26
     
EXchess 7.31b 64-bit2777     50%
5/10
50%
5/10
   
Frenzee 3.5.19 64-bit2775    38%
1.5/4
38%
1.5/4
    
Naraku 1.42775    39%
5.5/14
0%
0/2
    
RubiChess 1.1 64-bit277355%
11/20
  44%
8/18
      
Octochess r5190 64-bit2772    25%
0.5/2
25%
1/4
25%
1/4
   
Dirty 20Apr2013 64-bit2770     25%
1.5/6
38%
1.5/4
   
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
Twisted Logic 20100131x 64-bit2767  30%
3/10
 47%
7.5/16
0%
0/2
    
RuyDos 1.0.27 64-bit2763  64%
7/11
 38%
1.5/4
     
BugChess2 1.9 64-bit2762    33%
2/6
50%
2/4
    
GNU Chess 5.50 64-bit2757     25%
1/4
50%
2/4
   
Bison 9.11 64-bit2756    50%
2/4
62%
2.5/4
    
Ktulu 92754    30%
3/10
62%
2.5/4
    
Spike 1.2 Turin2745     42%
8.5/20
30%
3/10
   
Amoeba 2.3 64-bit2744  60%
6/10
 42%
5/12
     
Chronos 1.9.9 64-bit2739    75%
3/4
25%
1/4
    
Carballo 1.7 64-bit2737  75%
6/8
62%
2.5/4
42%
7.5/18
     
Godel 3.4.9 64-bit2727    58%
11.5/20
32%
15.5/49
29%
4/14
   
Bobcat 3.25 64-bit2725     50%
2.5/5
 25%
0.5/2
12%
0.5/4
 
ProDeo 2.22722  68%
15/22
 54%
13/24
     
Marvin 2.2.0 64-bit2718  70%
7/10
 54%
7.5/14
     
Rhetoric 1.4 64-bit2711     68%
7.5/11
43%
6/14
   
Carballo 1.6 64-bit2709  60%
6/10
 35%
3.5/10
     
GreKo 2018.07 64-bit270760%
12/20
  65%
6.5/10
      
iCE 1.0 64-bit2706      35%
3.5/10
0%
0/2
31%
5/16
 
Ktulu 82705     20%
2/10
50%
5/10
35%
3.5/10
  
Chess Tiger 2007.12704    58%
3.5/6
67%
4/6
 25%
0.5/2
  
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
Chessmaster 11 Aiglos II2701  75%
7.5/10
 100%
4/4
25%
1/4
    
Pawny 1.1 64-bit2701    50%
9/18
68%
19/28
    
Chessmaster 11 Archangel2694    57%
8/14
30%
3/10
    
Devel 1.80902690  95%
9.5/10
 54%
6.5/12
     
Delfi 5.42689     38%
1.5/4
50%
4/8
0%
0/2
  
Atlas 3.60 64-bit2688      42%
8.5/20
38%
1.5/4
  
Gogobello 1.4 64-bit2686  62%
2.5/4
 44%
3.5/8
     
Ethereal 8.19 64-bit2685  75%
7.5/10
 65%
6.5/10
     
WyldChess 1.51 64-bit2683  50%
5/10
 42%
7.5/18
     
ProDeo 2.02682    64%
9/14
42%
7.5/18
    
Chess Tiger 20072681     45%
4.5/10
 45%
4.5/10
  
Daydreamer 1.75 64-bit2680     57%
4/7
50%
4/8
   
Cheese 1.7 64-bit2678    55%
5.5/10
38%
10/26
    
Fridolin 3.10 64-bit267782%
11.5/14
76%
30.5/40
        
ProDeo 1.852675       0%
0/2
50%
5/10
 
chess22k 1.4 64-bit2675  70%
7/10
 50%
5/10
     
RedQueen 1.1.98 64-bit2669100%
2/2
 75%
4.5/6
 70%
21/30
     
Djinn 1.021 64-bit2668    56%
4.5/8
50%
25/50
60%
15.5/26
   
Movei 00.8.438 (10 10 10)2668     50%
1/2
58%
3.5/6
   
Chessmaster 112664     55%
5.5/10
53%
8.5/16
   
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
ProDeo 1.872663     38%
1.5/4
58%
11.5/20
   
Alaric 7072660     50%
1/2
31%
2.5/8
   
Pawny 1.0 64-bit2660     55%
11.5/21
39%
8.5/22
40%
10.5/26
38%
3/8
 
RedQueen 1.1.97 64-bit2660     51%
23.5/46
50%
10/20
   
Vajolet 2.032660       25%
0.5/2
29%
7.5/26
 
Atlas 3.50 64-bit2659       53%
8.5/16
50%
3/6
 
CM9000 Enforcer2657     62%
2.5/4
 50%
1/2
  
Godel 2.3.7 64-bit2657       50%
4/8
25%
0.5/2
0%
0/2
The Baron 2.23 64-bit2656     25%
0.5/2
29%
3.5/12
50%
1/2
  
CM10th Lazarus2654     50%
2/4
100%
2/2
100%
2/2
0%
0/2
 
Philou 3.7.1 64-bit2653    50%
2/4
55%
11/20
100%
2/2
50%
6/12
44%
3.5/8
0%
0/2
Cyrano 0.6b17 64-bit2648     50%
1/2
43%
6/14
50%
1/2
  
Rotor 0.7a2645      55%
5.5/10
  38%
1.5/4
Gandalf 7 64-bit2641   50%
0.5/1
60%
14.5/24
     
Cheng3 1.07 64-bit2635        25%
1.5/6
20%
2/10
Gandalf 62633       25%
1/4
 25%
0.5/2
Rotor 0.82628     56%
10/18
38%
3/8
34%
5.5/16
35%
9/26
 
Alfil 13.1 64-bit2626     50%
4/8
50%
9/18
45%
4.5/10
60%
6/10
25%
2/8
NoraGrace 2.0 64-bit2625    50%
4/8
62%
7.5/12
   25%
1/4
Ruffian 2.1.02623       62%
2.5/4
 50%
1/2
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
Nebula 2.0 64-bit2622     38%
1.5/4
62%
5/8
50%
9/18
45%
4.5/10
25%
1/4
Zappa 1.1 64-bit2615      50%
1/2
62%
2.5/4
42%
2.5/6
 
Naum 1.91 64-bit2609       75%
1.5/2
50%
4/8
62%
2.5/4
Godel 2.05 64-bit2608       60%
6/10
 29%
2/7
Donna 4.0 64-bit2605    50%
2/4
62%
2.5/4
    
Rodent 0.16 64-bit2603        50%
7/14
50%
2/4
Djinn 0.987 64-bit2601       62%
2.5/4
58%
7/12
 
Rodin 7.02600     64%
24.5/38
83%
5/6
   
Glass 2.0 64-bit2596     62%
2.5/4
42%
7.5/18
58%
7/12
53%
8.5/16
25%
1/4
Glass 1.9 64-bit2594     90%
9/10
   61%
8.5/14
GarboChess 3.0 64-bit2586     60%
6/10
 50%
1/2
50%
1/2
25%
3.5/14
Quazar 0.3b 32-bit2582       55%
5.5/10
25%
1/4
 
Jellyfish 1.1 64-bit2580    100%
4/4
62%
5/8
    
Rodent 0.15 64-bit2574       70%
7/10
 44%
3.5/8
GNU Chess 5.07.153b 64-bit2570      60%
6/10
56%
14/25
50%
2/4
 
Atlas 3.25 64-bit2569        32%
3.5/11
38%
7.5/20
DanaSah 5.072569     69%
5.5/8
75%
3/4
55%
11/20
  
Jellyfish 1.02567     35%
3.5/10
75%
1.5/2
   
Capivara LK 0.09b02g 64-bit256175%
1.5/2
 100%
2/2
 62%
8/13
     
Francesca MAD 0.192558        50%
2/4
64%
9/14
NameEloTucano
7.06
64-bit
Tucano
7.07
64-bit
Tucano
7.00
64-bit
Tucano
7.05
64-bit
Tucano
6.00
64-bit
Tucano
5.00
64-bit
Tucano
4.00
64-bit
Tucano
3.00
64-bit
Tucano
2.00
64-bit
Tucano
1.04
Capivara LK 0.09b02c 64-bit2557     75%
7.5/10
   60%
6/10
Arasan 12.0 64-bit2555        38%
1.5/4
44%
3.5/8
DanaSah 4.882555     70%
7/10
   25%
0.5/2
DanaSah 5.002551        42%
2.5/6
59%
9.5/16
Rodin 6.02550      88%
3.5/4
56%
4.5/8
56%
4.5/8
 
NirvanaChess 1.1 64-bit2549     85%
8.5/10
75%
7.5/10
70%
7/10
58%
3.5/6
 
nanoSzachy 4.0 64-bit2545       88%
3.5/4
57%
8/14
44%
8/18
GreKo 9.7 64-bit2544       45%
4.5/10
 62%
5/8
Rhetoric 1.1 64-bit2541       75%
3/4
 35%
3.5/10
Phalanx XXIV2537     81%
6.5/8
   60%
6/10
Sjakk 2.1 64-bit2524     60%
6/10
100%
2/2
   
Hakkapeliitta 1.0 64-bit2519     55%
5.5/10
75%
1.5/2
   
Cheese 1.5 64-bit2518       70%
7/10
50%
5/10
 
GreKo 10.0 64-bit2517        54%
6.5/12
62%
2.5/4
LittleThought 1.052 64-bit2502   100%
1/1
    83%
5/6
 
Cheese 1.4 64-bit2469        75%
3/4
88%
3.5/4
Tunguska 1.0 64-bit2134100%
1/1
 100%
2/2
       
Matheus 2.32042100%
2/2
 100%
2/2
       
Bubble 1.52012100%
2/2
 100%
2/2
       
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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Cross-tables show only best version of each engine
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Reference rating list:
Recalibrate:
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Created in 2005-2013 by CCRL team
Last games added on May 25, 2019