CCRL 40/40
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 1'090'583 games
played by 2'551 programs
149018 CPU days (X2 4600+)

White wins: 378'348 (34.7%)
Black wins: 281'291 (25.8%)
Draws: 430'944 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 11 engines!
11 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 12, 2019 with Bayeselo based on 1'090'583 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 7.07 64-bit 4CPU2940+34−3453.0%−18.344.6%271 
100.0%
 Tucano 7.06 64-bit2853+20−2049.1%+0.250.0%746
77.0%
 Tucano 7.07 64-bit2843+17−1748.7%+9.141.0%1113
90.1%
 Tucano 7.00 64-bit2826+19−1952.2%−18.743.4%866
54.0%
 Tucano 7.05 64-bit2824+29−2951.4%−8.141.5%388
100.0%
 Tucano 6.00 64-bit2724+16−1647.4%+16.040.0%1369
100.0%
 Tucano 5.00 64-bit2679+18−1849.7%+0.841.7%987
81.2%
 Tucano 4.00 64-bit2665+25−2550.3%−0.834.6%546
99.5%
 Tucano 3.00 64-bit2620+24−2448.1%+12.537.2%562
99.2%
 Tucano 2.00 64-bit2573+30−3147.4%+16.237.4%345
92.8%
 Tucano 1.042541+30−3047.2%+17.036.5%359
 

Results matrix

Custom engine selection
#NameElo1234567891011
1Tucano 7.07 64-bit 4CPU2940           
2Tucano 7.06 64-bit2853           
3Tucano 7.07 64-bit2843           
4Tucano 7.00 64-bit2826           
5Tucano 7.05 64-bit2824           
6Tucano 6.00 64-bit2724           
7Tucano 5.00 64-bit2679           
8Tucano 4.00 64-bit2665           
9Tucano 3.00 64-bit2620           
10Tucano 2.00 64-bit2573           
11Tucano 1.042541           
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
#NameElo1234567891011
1Tucano 7.07 64-bit 4CPU2940 100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Tucano 7.06 64-bit28530.0 77.097.194.7100.0100.0100.0100.0100.0100.0
3Tucano 7.07 64-bit28430.023.0 90.186.3100.0100.0100.0100.0100.0100.0
4Tucano 7.00 64-bit28260.02.99.9 54.0100.0100.0100.0100.0100.0100.0
5Tucano 7.05 64-bit28240.05.313.746.0 100.0100.0100.0100.0100.0100.0
6Tucano 6.00 64-bit27240.00.00.00.00.0 100.0100.0100.0100.0100.0
7Tucano 5.00 64-bit26790.00.00.00.00.00.0 81.2100.0100.0100.0
8Tucano 4.00 64-bit26650.00.00.00.00.00.018.8 99.5100.0100.0
9Tucano 3.00 64-bit26200.00.00.00.00.00.00.00.5 99.2100.0
10Tucano 2.00 64-bit25730.00.00.00.00.00.00.00.00.8 92.8
11Tucano 1.0425410.00.00.00.00.00.00.00.00.07.2 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011
1Tucano 7.07 64-bit 4CPU2940 1812300000000
2Tucano 7.06 64-bit285318 395374693174120000
3Tucano 7.07 64-bit284312395 236713600000
4Tucano 7.00 64-bit282630374236 241572300000
5Tucano 7.05 64-bit2824069371241 133120030
6Tucano 6.00 64-bit2724017436572133 42070181218
7Tucano 5.00 64-bit267901203012420 595283171142
8Tucano 4.00 64-bit26650000070595 30021064
9Tucano 3.00 64-bit26200000018283300 334155
10Tucano 2.00 64-bit25730000312171210334 223
11Tucano 1.042541000001814264155223 
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
#NameElo1234567891011
1Tucano 7.07 64-bit 4CPU2940 1.80.92.60.00.00.00.00.00.00.0
2Tucano 7.06 64-bit28531.8 21.223.261.18.20.70.00.00.00.0
3Tucano 7.07 64-bit28430.921.2 11.94.71.50.00.00.00.00.0
4Tucano 7.00 64-bit28262.623.211.9 19.225.61.60.00.00.00.0
5Tucano 7.05 64-bit28240.061.14.719.2 7.60.90.00.00.40.0
6Tucano 6.00 64-bit27240.08.21.525.67.6 17.83.70.90.71.0
7Tucano 5.00 64-bit26790.00.70.01.60.917.8 38.818.312.810.5
8Tucano 4.00 64-bit26650.00.00.00.00.03.738.8 27.123.67.1
9Tucano 3.00 64-bit26200.00.00.00.00.00.918.327.1 36.816.8
10Tucano 2.00 64-bit25730.00.00.00.00.40.712.823.636.8 31.7
11Tucano 1.0425410.00.00.00.00.01.010.57.116.831.7 
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 162 common opponents

Custom engine selection
NameEloTucano
7.07
64-bit
4CPU
Tucano
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-bit2990 38%
7.5/20
  45%
4.5/10
      
RubiChess 1.3 64-bit2981 12%
0.5/4
20%
8/40
        
Chiron 1.5 64-bit2965 35%
7/20
  25%
2.5/10
      
Deuterium 2019.1.36.50 64-bit2954 25%
1/4
42%
17/40
        
Marvin 3.4.0 64-bit2938 38%
4.5/12
50%
2/4
        
Pirarucu 2.6.1 64-bit2926 40%
8/20
  40%
4/10
      
Cheng 4.39 64-bit2921 50%
2/4
  50%
0.5/1
      
Dirty CUCUMBER 64-bit2919 38%
3/8
42%
17/40
38%
4.5/12
       
Deuterium 2018.1.35.514 64-bit2913 25%
1/4
 41%
16.5/40
       
Demolito 2018-03-01 64-bit2911 35%
7/20
  45%
4.5/10
      
Amoeba 2.7 64-bit2906 45%
9/20
  20%
2/10
      
Atlas 3.91 64-bit290266%
10.5/16
50%
2/4
38%
1.5/4
61%
8.5/14
       
Hiarcs 13.22896 38%
7.5/20
  35%
3.5/10
20%
2/10
     
EXchess 7.97b 64-bit2894 25%
1/4
 61%
8.5/14
 25%
2/8
     
Winter 0.5 64-bit2894 38%
1.5/4
35%
14/40
54%
7.5/14
       
Gull 1.0a 32-bit2886 38%
7.5/20
  50%
5/10
25%
2.5/10
     
Scorpio 2.8 64-bit2885 12%
0.5/4
 44%
7/16
62%
2.5/4
      
Protector 1.4.0 32-bit2879   25%
2.5/10
 20%
2/10
     
Godel 5.5.1 64-bit2876 38%
1.5/4
51%
22.5/44
        
Scorpio 2.9 MCTS 64-bit2867 50%
2/4
62%
5/8
        
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Thinker 5.4d Inert 64-bit2865  41%
16.5/40
35%
3.5/10
       
The Baron 3.44 64-bit2863 45%
9/20
40%
19/48
        
Gaviota 1.0 64-bit2860  45%
18/40
75%
1.5/2
       
Dirty 30Apr2017 64-bit2857   38%
6/16
62%
2.5/4
25%
2/8
     
Marvin 3.3.2 64-bit2857 50%
6/12
50%
2/4
        
MinkoChess 1.3 64-bit2854 0%
0/2
 45%
4.5/10
       
Atlas 3.80 64-bit2848     38%
1.5/4
25%
1/4
    
Nemo 1.0.1 64-bit2848 25%
0.5/2
 50%
1/2
       
DisasterArea 1.65 64-bit2846 0%
0/2
 46%
11/24
 31%
2.5/8
     
Tornado 8.0 64-bit2843 56%
14.5/26
50%
20/40
50%
10/20
45%
4.5/10
12%
1.5/12
     
The Baron 3.43 64-bit2840 67%
2/3
 62%
2.5/4
46%
12/26
      
Marvin 3.2.0 64-bit2837 50%
7/14
 38%
6/16
       
Fruit Reloaded 3.2.1 64-bit2836 17%
1/6
51%
26/51
45%
4.5/10
38%
1.5/4
      
Counter 3.2 64-bit2834 58%
11.5/20
51%
22.5/44
        
Murka 3 64-bit2825 50%
1/2
 50%
1/2
       
Rybka 1.0 64-bit2824 50%
10/20
  60%
6/10
      
Zurichess Neuchatel 64-bit2823 60%
15.5/26
38%
1.5/4
56%
18/32
46%
12.5/27
      
Tornado 6.0 64-bit2820     15%
1.5/10
40%
4/10
    
Tornado 7.0 64-bit2817     38%
6/16
25%
1/4
    
Ethereal 8.37 64-bit2816 58%
11.5/20
  50%
5/10
12%
0.5/4
     
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Toga II 3.1.2SE2816 60%
12/20
  70%
7/10
      
Godel 4.4.5 64-bit2815 56%
19/34
  54%
13/24
      
GNU Chess 5.60 64-bit2812 58%
11.5/20
 50%
5/10
40%
4/10
 50%
2/4
    
Monolith 1.0 64-bit2796 57%
17/30
43%
3/7
 65%
6.5/10
      
Rhetoric 1.4.3 64-bit2795 75%
1.5/2
 42%
5/12
 38%
20.5/54
     
GnuCheese 1.00 64-bit2793     29%
7/24
50%
2/4
    
RuyDos 1.1.9 64-bit279375%
12/16
50%
1/2
         
Marvin 3.1.0 64-bit2791 62%
12.5/20
 50%
2/4
54%
7.5/14
      
Loop 13.6 (Loop 2007) 64-bit2790     25%
0.5/2
25%
0.5/2
    
Crafty 23.6 64-bit2788 58%
11.5/20
 75%
7.5/10
45%
4.5/10
45%
4.5/10
     
RuyDos 1.1.0 64-bit2788 60%
12/20
 58%
3.5/6
55%
5.5/10
      
The Baron 3.29 64-bit2786     44%
3.5/8
38%
1.5/4
    
Octochess r5506 64-bit2783   56%
13.5/24
38%
1.5/4
46%
5.5/12
     
RuyDos 1.1.6 64-bit2783   55%
21/38
62%
2.5/4
      
Scorpio 2.7.6 64-bit2782      25%
2/8
50%
2/4
   
EXchess 7.31b 64-bit2777      50%
5/10
50%
5/10
   
Pawny 1.2 64-bit2777   60%
12/20
 37%
9.5/26
     
Naraku 1.42776     39%
5.5/14
0%
0/2
    
Frenzee 3.5.19 64-bit2775     38%
1.5/4
38%
1.5/4
    
RubiChess 1.1 64-bit2775 55%
11/20
  44%
8/18
      
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
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
   
Twisted Logic 20100131x 64-bit2768   30%
3/10
 47%
7.5/16
0%
0/2
    
RuyDos 1.0.27 64-bit2764   64%
7/11
 38%
1.5/4
     
BugChess2 1.9 64-bit2762     33%
2/6
50%
2/4
    
GNU Chess 5.50 64-bit2758      25%
1/4
50%
2/4
   
Bison 9.11 64-bit2756     50%
2/4
62%
2.5/4
    
Ktulu 92755     30%
3/10
62%
2.5/4
    
Spike 1.2 Turin2746      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
     
Shield 2.1 64-bit2728  50%
2/4
88%
3.5/4
       
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 2.22723   68%
15/22
 54%
13/24
     
Marvin 2.2.0 64-bit2719   70%
7/10
 54%
7.5/14
     
Carballo 1.6 64-bit2710   60%
6/10
 35%
3.5/10
     
GreKo 2018.07 64-bit2709 60%
12/20
  65%
6.5/10
      
Rhetoric 1.4 64-bit2707      68%
7.5/11
43%
6/14
   
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Ktulu 82706      20%
2/10
50%
5/10
35%
3.5/10
  
iCE 1.0 64-bit2706       35%
3.5/10
0%
0/2
31%
5/16
 
Chess Tiger 2007.12704     58%
3.5/6
67%
4/6
 25%
0.5/2
  
Pawny 1.1 64-bit2702     50%
9/18
68%
19/28
    
Chessmaster 11 Aiglos II2701   75%
7.5/10
 100%
4/4
25%
1/4
    
Chessmaster 11 Archangel2696     57%
8/14
30%
3/10
    
Devel 1.80902691   95%
9.5/10
 54%
6.5/12
     
Delfi 5.42690      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-bit2688   62%
2.5/4
 44%
3.5/8
     
Ethereal 8.19 64-bit2685   75%
7.5/10
 65%
6.5/10
     
Fridolin 3.10 64-bit2685 82%
11.5/14
76%
30.5/40
        
WyldChess 1.51 64-bit2684   50%
5/10
 42%
7.5/18
     
ProDeo 2.02683     64%
9/14
42%
7.5/18
    
Chess Tiger 20072682      45%
4.5/10
 45%
4.5/10
  
Daydreamer 1.75 64-bit2680      57%
4/7
50%
4/8
   
Cheese 1.7 64-bit2679     55%
5.5/10
38%
10/26
    
chess22k 1.4 64-bit2675   70%
7/10
 50%
5/10
     
ProDeo 1.852674        0%
0/2
50%
5/10
 
Djinn 1.021 64-bit2668     56%
4.5/8
50%
25/50
60%
15.5/26
   
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Movei 00.8.438 (10 10 10)2667      50%
1/2
58%
3.5/6
   
RedQueen 1.1.98 64-bit2667 100%
2/2
 75%
4.5/6
 70%
21/30
     
Chessmaster 112665      55%
5.5/10
53%
8.5/16
   
ProDeo 1.872664      38%
1.5/4
58%
11.5/20
   
Alaric 7072661      50%
1/2
31%
2.5/8
   
Vajolet 2.032661        25%
0.5/2
29%
7.5/26
 
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
   
Atlas 3.50 64-bit2659        53%
8.5/16
50%
3/6
 
CM10th Lazarus2658      50%
2/4
100%
2/2
100%
2/2
0%
0/2
 
CM9000 Enforcer2658      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
  
Philou 3.7.1 64-bit2652     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 0.7a2646       55%
5.5/10
  38%
1.5/4
Gandalf 7 64-bit2643    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
Alfil 13.1 64-bit2628      50%
4/8
50%
9/18
45%
4.5/10
60%
6/10
25%
2/8
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Rotor 0.82628      56%
10/18
38%
3/8
34%
5.5/16
35%
9/26
 
NoraGrace 2.0 64-bit2625     50%
4/8
62%
7.5/12
   25%
1/4
Ruffian 2.1.02624        62%
2.5/4
 50%
1/2
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
 
Godel 2.05 64-bit2609        60%
6/10
 29%
2/7
Naum 1.91 64-bit2609        75%
1.5/2
50%
4/8
62%
2.5/4
Donna 4.0 64-bit2606     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 7.02601      64%
24.5/38
83%
5/6
   
Glass 2.0 64-bit2598      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-bit2587      60%
6/10
 50%
1/2
50%
1/2
25%
3.5/14
Quazar 0.3b 32-bit2583        55%
5.5/10
25%
1/4
 
Jellyfish 1.1 64-bit2580     100%
4/4
62%
5/8
    
Rodent 0.15 64-bit2576        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
  
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Jellyfish 1.02567      35%
3.5/10
75%
1.5/2
   
Capivara LK 0.09b02g 64-bit2561 75%
1.5/2
 100%
2/2
 62%
8/13
     
Francesca MAD 0.192558         50%
2/4
64%
9/14
Capivara LK 0.09b02c 64-bit2557      75%
7.5/10
   60%
6/10
DanaSah 4.882556      70%
7/10
   25%
0.5/2
Arasan 12.0 64-bit2555         38%
1.5/4
44%
3.5/8
DanaSah 5.002552         42%
2.5/6
59%
9.5/16
Rodin 6.02551       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-bit2546        88%
3.5/4
57%
8/14
44%
8/18
GreKo 9.7 64-bit2545        45%
4.5/10
 62%
5/8
Rhetoric 1.1 64-bit2545        75%
3/4
 35%
3.5/10
Phalanx XXIV2537      81%
6.5/8
   60%
6/10
Sjakk 2.1 64-bit2525      60%
6/10
100%
2/2
   
Cheese 1.5 64-bit2519        70%
7/10
50%
5/10
 
Hakkapeliitta 1.0 64-bit2519      55%
5.5/10
75%
1.5/2
   
GreKo 10.0 64-bit2517         54%
6.5/12
62%
2.5/4
LittleThought 1.052 64-bit2500    100%
1/1
    83%
5/6
 
Cheese 1.4 64-bit2470         75%
3/4
88%
3.5/4
Tunguska 1.0 64-bit2129 100%
1/1
 100%
2/2
       
NameEloTucano
7.07
64-bit
4CPU
Tucano
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
Matheus 2.32041 100%
2/2
 100%
2/2
       
Bubble 1.52011 100%
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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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on October 12, 2019