CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 20 engines!
20 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 May 8, 2021 with Bayeselo based on 1'242'291 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+
 NirvanaChess 2.5 64-bit 4CPU3213+43−4351.0%−6.362.0%150 
94.3%
1NirvanaChess 2.4 64-bit 4CPU3177+13−1341.8%+55.354.5%1852
99.1%
 NirvanaChess 2.3 64-bit 4CPU3150+18−1841.4%+55.156.8%869
82.9%
 NirvanaChess 2.2 64-bit 4CPU3138+17−1741.5%+54.857.4%1001
68.1%
 NirvanaChess 2.5 64-bit3131+19−1948.9%+6.960.5%800
99.9%
 NirvanaChess 2.4 64-bit3098+9−944.9%+35.052.9%4257
64.8%
 NirvanaChess 2.1c 64-bit 4CPU3093+23−2345.2%+31.347.7%608
95.6%
 NirvanaChess 2.3 64-bit3070+12−1345.2%+32.453.4%2044
82.8%
 NirvanaChess 2.2 64-bit3061+14−1445.9%+26.753.8%1620
66.8%
 NirvanaChess 2.0a 64-bit 4CPU3054+30−3044.7%+35.750.1%337
95.8%
 NirvanaChess 2.1c 64-bit3020+23−2349.7%+1.853.0%564
98.8%
 NirvanaChess 2.0a 64-bit2983+23−2353.9%−25.246.2%571
100.0%
 NirvanaChess 1.8 64-bit2826+25−2549.3%+3.443.0%500
62.2%
 NirvanaChess 1.5 64-bit2820+29−2947.3%+17.944.6%372
51.1%
 NirvanaChess 1.6 64-bit2820+28−2849.1%+6.744.0%409
67.4%
 NirvanaChess 1.7 64-bit2810+31−3148.6%+12.241.0%327
98.8%
 NirvanaChess 1.4 64-bit2761+29−3047.1%+17.341.9%360
73.7%
 NirvanaChess 1.3 64-bit2747+31−3149.0%+7.537.1%342
98.1%
 NirvanaChess 1.2 64-bit2701+30−3048.2%+11.141.7%333
100.0%
 NirvanaChess 1.1 64-bit2549+26−2651.1%−14.632.0%532
 

Results matrix

Custom engine selection
#NameElo1234567891011121314151617181920
1NirvanaChess 2.5 64-bit 4CPU3213                    
2NirvanaChess 2.4 64-bit 4CPU3177                    
3NirvanaChess 2.3 64-bit 4CPU3150                    
4NirvanaChess 2.2 64-bit 4CPU3138                    
5NirvanaChess 2.5 64-bit3131                    
6NirvanaChess 2.4 64-bit3098                    
7NirvanaChess 2.1c 64-bit 4CPU3093                    
8NirvanaChess 2.3 64-bit3070                    
9NirvanaChess 2.2 64-bit3061                    
10NirvanaChess 2.0a 64-bit 4CPU3054                    
11NirvanaChess 2.1c 64-bit3020                    
12NirvanaChess 2.0a 64-bit2983                    
13NirvanaChess 1.8 64-bit2826                    
14NirvanaChess 1.5 64-bit2820                    
15NirvanaChess 1.6 64-bit2820                    
16NirvanaChess 1.7 64-bit2810                    
17NirvanaChess 1.4 64-bit2761                    
18NirvanaChess 1.3 64-bit2747                    
19NirvanaChess 1.2 64-bit2701                    
20NirvanaChess 1.1 64-bit2549                    
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
#NameElo1234567891011121314151617181920
1NirvanaChess 2.5 64-bit 4CPU3213 94.399.699.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2NirvanaChess 2.4 64-bit 4CPU31775.7 99.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3NirvanaChess 2.3 64-bit 4CPU31500.40.9 82.990.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4NirvanaChess 2.2 64-bit 4CPU31380.10.017.1 68.1100.099.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5NirvanaChess 2.5 64-bit31310.00.09.231.9 99.999.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
6NirvanaChess 2.4 64-bit30980.00.00.00.00.1 64.8100.0100.099.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
7NirvanaChess 2.1c 64-bit 4CPU30930.00.00.00.10.735.2 95.698.998.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
8NirvanaChess 2.3 64-bit30700.00.00.00.00.00.04.4 82.883.1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
9NirvanaChess 2.2 64-bit30610.00.00.00.00.00.01.117.2 66.899.9100.0100.0100.0100.0100.0100.0100.0100.0100.0
10NirvanaChess 2.0a 64-bit 4CPU30540.00.00.00.00.00.32.016.933.2 95.8100.0100.0100.0100.0100.0100.0100.0100.0100.0
11NirvanaChess 2.1c 64-bit30200.00.00.00.00.00.00.00.00.14.2 98.8100.0100.0100.0100.0100.0100.0100.0100.0
12NirvanaChess 2.0a 64-bit29830.00.00.00.00.00.00.00.00.00.01.2 100.0100.0100.0100.0100.0100.0100.0100.0
13NirvanaChess 1.8 64-bit28260.00.00.00.00.00.00.00.00.00.00.00.0 62.263.678.7100.0100.0100.0100.0
14NirvanaChess 1.5 64-bit28200.00.00.00.00.00.00.00.00.00.00.00.037.8 51.168.099.8100.0100.0100.0
15NirvanaChess 1.6 64-bit28200.00.00.00.00.00.00.00.00.00.00.00.036.448.9 67.499.8100.0100.0100.0
16NirvanaChess 1.7 64-bit28100.00.00.00.00.00.00.00.00.00.00.00.021.332.032.6 98.899.8100.0100.0
17NirvanaChess 1.4 64-bit27610.00.00.00.00.00.00.00.00.00.00.00.00.00.20.21.2 73.799.7100.0
18NirvanaChess 1.3 64-bit27470.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.226.3 98.1100.0
19NirvanaChess 1.2 64-bit27010.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.31.9 100.0
20NirvanaChess 1.1 64-bit25490.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567891011121314151617181920
1NirvanaChess 2.5 64-bit 4CPU3213 600300000000000000000
2NirvanaChess 2.4 64-bit 4CPU317760 377216019512367641230000000000
3NirvanaChess 2.3 64-bit 4CPU31500377 8120031400560000000000
4NirvanaChess 2.2 64-bit 4CPU313830216812 00667002260000000000
5NirvanaChess 2.5 64-bit31310000 14201212024000000000
6NirvanaChess 2.4 64-bit3098019500142 0195210650334633303333
7NirvanaChess 2.1c 64-bit 4CPU3093012331466700 004000000000000
8NirvanaChess 2.3 64-bit3070067001219520 168804452400000000
9NirvanaChess 2.2 64-bit30610640012106501688 01045380765870640000
10NirvanaChess 2.0a 64-bit 4CPU3054012562260040000 0000000000
11NirvanaChess 2.1c 64-bit30200300024334044510450 4777264606624000
12NirvanaChess 2.0a 64-bit29830000060243800477 2971317313860000
13NirvanaChess 1.8 64-bit28260000030076072297 25427936811217610842
14NirvanaChess 1.5 64-bit28200000030058064131254 3522902881147220
15NirvanaChess 1.6 64-bit2820000003007006073279352 3431461089446
16NirvanaChess 1.7 64-bit28100000000064066138368290343 10256766
17NirvanaChess 1.4 64-bit276100000300002460112288146102 22212620
18NirvanaChess 1.3 64-bit274700000300000017611410856222 28376
19NirvanaChess 1.2 64-bit2701000003000000108729476126283 159
20NirvanaChess 1.1 64-bit254900000300000042204662076159 
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
#NameElo1234567891011121314151617181920
1NirvanaChess 2.5 64-bit 4CPU3213 3.00.02.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
2NirvanaChess 2.4 64-bit 4CPU31773.0 13.97.60.03.25.01.71.80.51.20.00.00.00.00.00.00.00.00.0
3NirvanaChess 2.3 64-bit 4CPU31500.013.9 43.40.00.021.30.00.04.60.00.00.00.00.00.00.00.00.00.0
4NirvanaChess 2.2 64-bit 4CPU31382.67.643.4 0.00.041.50.00.016.90.00.00.00.00.00.00.00.00.00.0
5NirvanaChess 2.5 64-bit31310.00.00.00.0 2.80.00.40.50.01.80.00.00.00.00.00.00.00.00.0
6NirvanaChess 2.4 64-bit30980.03.20.00.02.8 0.031.018.10.06.90.10.10.10.10.00.10.10.10.1
7NirvanaChess 2.1c 64-bit 4CPU30930.05.021.341.50.00.0 0.00.042.30.00.00.00.00.00.00.00.00.00.0
8NirvanaChess 2.3 64-bit30700.01.70.00.00.431.00.0 46.10.017.10.90.00.00.00.00.00.00.00.0
9NirvanaChess 2.2 64-bit30610.01.80.00.00.518.10.046.1 0.047.817.33.62.93.43.30.00.00.00.0
10NirvanaChess 2.0a 64-bit 4CPU30540.00.54.616.90.00.042.30.00.0 0.00.00.00.00.00.00.00.00.00.0
11NirvanaChess 2.1c 64-bit30200.01.20.00.01.86.90.017.147.80.0 42.06.86.86.27.42.60.00.00.0
12NirvanaChess 2.0a 64-bit29830.00.00.00.00.00.10.00.917.30.042.0 27.713.97.415.46.40.00.00.0
13NirvanaChess 1.8 64-bit28260.00.00.00.00.00.10.00.03.60.06.827.7 29.130.744.513.020.913.04.1
14NirvanaChess 1.5 64-bit28200.00.00.00.00.00.10.00.02.90.06.813.929.1 45.141.539.316.010.22.2
15NirvanaChess 1.6 64-bit28200.00.00.00.00.00.10.00.03.40.06.27.430.745.1 46.619.014.412.74.9
16NirvanaChess 1.7 64-bit28100.00.00.00.00.00.00.00.03.30.07.415.444.541.546.6 14.88.411.50.7
17NirvanaChess 1.4 64-bit27610.00.00.00.00.00.10.00.00.00.02.66.413.039.319.014.8 31.618.22.2
18NirvanaChess 1.3 64-bit27470.00.00.00.00.00.10.00.00.00.00.00.020.916.014.48.431.6 41.98.7
19NirvanaChess 1.2 64-bit27010.00.00.00.00.00.10.00.00.00.00.00.013.010.212.711.518.241.9 18.4
20NirvanaChess 1.1 64-bit25490.00.00.00.00.00.10.00.00.00.00.00.04.12.24.90.72.28.718.4 
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 208 common opponents

Custom engine selection
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Stockfish 8 64-bit 4CPU3375 29%
9.5/33
14%
5/35
                 
Houdini 5.01 64-bit 4CPU3369 30%
9.5/32
12%
0.5/4
                 
Komodo 10.1 64-bit 4CPU3360  24%
8/34
15%
4.5/31
                
Komodo 9.2 64-bit 4CPU3324   19%
7/36
  8%
2.5/30
             
Stockfish 7 64-bit 4CPU3324  25%
8.5/34
14%
7/51
                
Komodo 11.2 64-bit3319     16%
9.5/58
 15%
8/54
            
Stockfish 8 64-bit3299     24%
13.5/56
 20%
13.5/68
            
Stockfish 6 64-bit 4CPU3289   31%
10/32
  29%
5.5/19
  15%
7.5/50
          
Deep Shredder 13 64-bit 4CPU3276 36%
11.5/32
12%
0.5/4
                 
Komodo 10.1 64-bit3263       20%
6.5/32
27%
13/48
           
Fire 5 64-bit 4CPU3262 36%
11.5/32
38%
1.5/4
                 
Stockfish 7 64-bit3242       24%
8.5/36
21%
14.5/70
           
Houdini 4 64-bit 4CPU3240  38%
13.5/36
37%
14/38
  25%
1/4
             
Stockfish 6 64-bit3223        28%
4.5/16
 33%
4/12
12%
4/32
        
Booot 6.2 64-bit 4CPU3214 44%
14/32
41%
13/32
                 
Laser 1.7 64-bit3205    38%
7.5/20
38%
1.5/4
              
Fire 6.1 64-bit3202 41%
16.5/40
   34%
23/68
              
Defenchess 2.2 64-bit3201    33%
8/24
38%
1.5/4
              
Schooner 2.2 64-bit3201    43%
15.5/36
39%
5.5/14
              
Fire 4 64-bit 4CPU3196  39%
14/36
45%
18/40
  29%
7/24
  25%
1/4
          
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Vajolet2 2.8 64-bit 4CPU318255%
5.5/10
48%
11.5/24
                  
Andscacs 0.95 64-bit3179    62%
2.5/4
25%
2/8
              
Gull 3 64-bit 4CPU3178 45%
14.5/32
42%
16/38
48%
19/40
  38%
1.5/4
  50%
2/4
          
Fire 5 64-bit3173     39%
22.5/58
 27%
4/15
            
Fizbo 1.9 64-bit3173     38%
25/66
 50%
5.5/11
            
Equinox 3.20 64-bit 4CPU3171 45%
14.5/32
56%
19/34
52%
21/40
  20%
4.5/23
             
Andscacs 0.94 64-bit3167    55%
11/20
38%
4.5/12
              
Houdini 4 64-bit3165       30%
9.5/32
29%
10.5/36
           
Equinox 3.30 64-bit 4CPU3159  50%
2/4
62%
2.5/4
     50%
2/4
          
Fritz 15 64-bit 4CPU3159  39%
15/38
49%
16.5/34
                
Critter 1.6a 64-bit 4CPU3157 53%
17/32
50%
19/38
46%
18.5/40
  42%
10/24
             
Bouquet 1.8 64-bit 4CPU3147  50%
17/34
50%
19/38
  41%
9.5/23
             
Rybka 4 64-bit 4CPU3145  58%
18.5/32
51%
18.5/36
  62%
2.5/4
             
Fire 4 64-bit3143       46%
16.5/36
41%
19.5/48
 25%
5.5/22
         
Rybka 4.1 64-bit 4CPU3142      75%
1.5/2
  12%
0.5/4
          
Booot 6.2 64-bit3141     47%
35.5/76
 40%
9.5/24
            
Andscacs 0.91 64-bit3138     34%
18.5/55
 25%
1/4
            
Protector 1.9.0 64-bit 4CPU3137  38%
1.5/4
47%
28/59
                
Alfil 15.7 64-bit 4CPU3135   51%
17.5/34
  45%
10/22
             
Chiron 3.01 64-bit 4CPU3128  38%
1.5/4
50%
11/22
                
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
BlackMamba 2.0 64-bit 4CPU3121  50%
1/2
50%
19/38
  50%
12/24
             
iCE 4.0 64-bit 4CPU312165%
6.5/10
57%
12.5/22
                  
Gull 3 64-bit3117     54%
28/52
 44%
15/34
41%
16.5/40
 29%
7/24
         
Elektro 1.2 64-bit 4CPU3116      55%
12/22
  38%
1.5/4
          
Sting SF 5 64-bit 4CPU3115   50%
1/2
  51%
19.5/38
             
Chiron 4 64-bit3113     51%
41/80
 38%
3/8
            
Roc 0.7 64-bit3113     51%
44/86
 44%
11.5/26
            
Hannibal 1.5 64-bit 4CPU3108   55%
5.5/10
  55%
16/29
  42%
12.5/30
          
Houdini 1.5a 64-bit3108    50%
2/4
38%
1.5/4
 48%
25/52
31%
5.5/18
           
Andscacs 0.872 64-bit3103       39%
15/38
43%
23/54
           
Strelka 5.5 64-bit3101 64%
20.5/32
   48%
25/52
 55%
17.5/32
39%
12.5/32
 35%
3.5/10
         
Critter 1.6a 64-bit3098     48%
31/64
 53%
18/34
43%
20/46
 36%
8/22
         
Equinox 3.20 64-bit3093     55%
29.5/54
 44%
15/34
45%
14.5/32
           
Naum 4.6 64-bit 4CPU3093  50%
1/2
38%
3/8
  60%
6/10
  44%
11/25
          
Fritz 15 64-bit3092     52%
29/56
 46%
22/48
44%
20/45
           
Chiron 2 64-bit 4CPU3083   75%
3/4
  40%
4/10
  42%
2.5/6
          
Equinox 3.30 64-bit3083     50%
0.5/1
 33%
2/6
48%
24/50
 48%
11.5/24
         
Texel 1.05 64-bit 4CPU3082   55%
5.5/10
  50%
14.5/29
  49%
22.5/46
          
Hannibal 1.7 64-bit3078     51%
41/80
 46%
25.5/55
            
Rybka 4.1 64-bit3076     50%
0.5/1
 50%
1/2
51%
17.5/34
 54%
6.5/12
         
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Rybka 4 64-bit3074     50%
26/52
 47%
38.5/82
            
Protector 1.7.0 64-bit 4CPU3073      50%
2.5/5
  50%
10.5/21
          
Bouquet 1.8 64-bit3072     48%
25/52
 46%
17.5/38
55%
24/44
 32%
6.5/20
         
Topple 0.7.5 64-bit 4CPU306360%
6/10
  68%
13.5/20
                
Sting SF 4.8.4 64-bit3062        45%
4.5/10
  45%
4.5/10
        
Fizbo 1.7 64-bit3059       56%
19/34
58%
14/24
           
Protector 1.9.0 64-bit3056     61%
45.5/74
 57%
40/70
47%
35.5/76
           
Alfil 15.7 64-bit3055     56%
29/52
  45%
13.5/30
 50%
2/4
         
Alfil 15.8 64-bit 4CPU3054  50%
1/2
67%
4/6
  58%
11.5/20
             
BlackMamba 2.0 64-bit3054     63%
34/54
 43%
19/44
56%
23.5/42
 46%
11/24
         
Seer 1.2.1 64-bit3053    75%
3/4
50%
6/12
              
Hiarcs 14 4CPU3052  75%
1.5/2
   50%
5/10
  17%
1/6
          
Pedone 1.6 64-bit 4CPU3050 100%
1/1
77%
24.5/32
                 
Chiron 3.01 64-bit3049       60%
6/10
46%
15.5/34
           
Vitruvius 1.11C 64-bit3047     50%
1/2
 50%
1/2
  50%
1/2
         
Rybka 3 64-bit3046    58%
11.5/20
     50%
4/8
         
Vajolet2 2.2 64-bit 4CPU3040  75%
1.5/2
68%
13.5/20
                
Elektro 1.2 64-bit3039     50%
1/2
 50%
2/4
43%
6/14
 54%
7.5/14
         
Texel 1.06 64-bit3039     55%
29.5/54
 54%
38/70
56%
9/16
           
iCE 3.0 64-bit3039     58%
39/67
 57%
39/69
53%
16/30
           
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Hannibal 1.5 64-bit3038       56%
18.5/33
53%
26.5/50
 56%
18/32
50%
2/4
        
Sting SF 5 64-bit3038        44%
3.5/8
 45%
15/33
40%
8/20
        
Sting SF 8.5 64-bit3038     58%
3.5/6
 65%
6.5/10
            
Protector 1.8.0 64-bit3036        59%
6.5/11
 45%
12.5/28
         
Booot 6.0.2 64-bit3028       52%
21/40
50%
8/16
           
Laser 1.4 64-bit3024     69%
5.5/8
 56%
9/16
            
Deep Junior Yokohama 64-bit 4CPU3023  75%
1.5/2
75%
1.5/2
  81%
6.5/8
  42%
2.5/6
          
Senpai 1.0 64-bit 4CPU3021  50%
1/2
75%
1.5/2
  70%
7/10
  59%
13/22
          
Arasan 20.2 64-bit3020     38%
1.5/4
 65%
6.5/10
            
Deep Shredder 12 64-bit 4CPU3016   25%
0.5/2
  60%
6/10
  50%
3/6
          
Rybka 2.3.2a 64-bit 4CPU3016      25%
0.5/2
  75%
1.5/2
          
Spike 1.4 Leiden 4CPU3014      75%
3/4
  52%
11.5/22
          
Chiron 2 64-bit3013        67%
16/24
 50%
10/20
53%
8.5/16
        
Cheng 4.39 64-bit 4CPU3008  100%
2/2
50%
2/4
  61%
8.5/14
             
Naum 4.6 64-bit3008     75%
1.5/2
 62%
2.5/4
57%
17/30
 50%
14.5/29
53%
8.5/16
        
Protector 1.7.0 64-bit3008          45%
4.5/10
50%
10/20
        
Texel 1.05 64-bit3007        65%
24/37
 56%
13.5/24
44%
8/18
        
Andscacs 0.82 64-bit3006        61%
8.5/14
 47%
7.5/16
         
Andscacs 0.81 64-bit3005        70%
7/10
 45%
4.5/10
         
SmarThink 1.96 64-bit3004       59%
24/41
56%
10/18
           
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Topple 0.8.0 64-bit3004    88%
3.5/4
61%
8.5/14
              
Nemorino 3.0 64-bit2994     88%
3.5/4
 59%
9.5/16
            
SmarThink 1.97 64-bit2993 100%
1/1
   67%
4/6
 62%
10/16
            
Cheng4 0.38 64-bit 4CPU2979      58%
3.5/6
  71%
24/34
          
ChessBrainVB 3.502978     75%
1.5/2
 50%
5/10
            
Pedone 1.6 64-bit2975     100%
2/2
 55%
5.5/10
            
Texel 1.04 64-bit2969           50%
6.5/13
   38%
3/8
    
Alfil 15.8 64-bit2962        71%
8.5/12
 67%
4/6
         
Chiron 1.5 64-bit2962            29%
3.5/12
25%
2.5/10
35%
3.5/10
25%
2/8
    
Andscacs 0.80 64-bit2959          58%
15/26
50%
7/14
        
Hiarcs 142959        68%
9.5/14
 55%
5.5/10
64%
4.5/7
25%
2.5/10
15%
1.5/10
25%
2.5/10
38%
3/8
    
Senpai 1.0 64-bit2959        57%
8/14
 60%
6/10
52%
16/31
30%
3/10
25%
1/4
35%
3.5/10
31%
2.5/8
    
Vajolet2 2.2 64-bit2959       75%
4.5/6
75%
9/12
           
Fizbo 1.5 64-bit2955        62%
10/16
 55%
12/22
         
Pedone 1.4.1 64-bit2955       67%
4/6
66%
10.5/16
           
Hakkapeliitta 3.0 64-bit2952       67%
4/6
62%
17.5/28
           
Deep Sjeng c't 20102939        65%
6.5/10
  75%
1.5/2
        
Deep Shredder 12 64-bit2937        71%
8.5/12
 65%
6.5/10
47%
7.5/16
20%
2/10
35%
3.5/10
25%
2.5/10
19%
1.5/8
    
Crafty 25.2 64-bit2930     50%
0.5/1
 85%
8.5/10
            
Hannibal 1.3 32-bit2928             25%
2.5/10
15%
1.5/10
50%
4/8
    
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Cheng 4.39 64-bit2918        75%
1.5/2
 75%
15/20
         
Deep Junior Yokohama 64-bit2918        80%
8/10
 40%
4/10
56%
9.5/17
        
Gull 1.2 64-bit2917              25%
2.5/10
25%
2/8
    
SmarThink 1.70 64-bit2916        75%
1.5/2
 65%
6.5/10
76%
13/17
50%
2/4
       
Vajolet2 2.0 64-bit2915        100%
2/2
 80%
8/10
50%
4/8
        
Deep Junior 13.3 64-bit2914            45%
4.5/10
50%
5/10
60%
6/10
25%
2/8
    
Spike 1.4 Leiden2913           75%
1.5/2
40%
4/10
  12%
1/8
    
Hannibal 1.2 32-bit2904            40%
4/10
   20%
2/10
25%
2.5/10
  
Gull 1.1 64-bit2903            40%
4/10
35%
3.5/10
      
Quazar 0.4 64-bit2903           67%
8/12
    12%
0.5/4
   
Protector 1.4.0 64-bit2899             60%
6/10
 19%
1.5/8
25%
2.5/10
   
DiscoCheck 5.2 64-bit2898          65%
6.5/10
65%
6.5/10
 12%
0.5/4
 25%
1/4
21%
3/14
   
Hiarcs 13.22894                35%
3.5/10
15%
1.5/10
  
DiscoCheck 5.2.1 64-bit2893           60%
6/10
50%
7/14
       
Booot 5.2.0 64-bit2892           58%
11.5/20
56%
4.5/8
  38%
1.5/4
25%
1/4
   
Fizbo 1.31 64-bit2892           65%
13/20
39%
5.5/14
       
Spark 1.0 64-bit2891             25%
1.5/6
 38%
3/8
    
iCE 2.0 64-bit2891           65%
13/20
42%
2.5/6
       
Deuterium 14.3.34.130 64-bit2889           68%
13.5/20
32%
4.5/14
       
Cheng4 0.38 64-bit2888          65%
6.5/10
88%
7/8
        
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Quazar 0.4 32-bit2878             30%
3/10
45%
4.5/10
 35%
3.5/10
35%
3.5/10
  
Protector 1.4.0 32-bit2877            20%
2/10
    50%
5/10
  
Vajolet2 1.45 64-bit2865           71%
10/14
50%
2/4
       
Gaviota 1.0 64-bit2858           50%
9/18
56%
4.5/8
43%
9.5/22
 50%
2/4
    
Deuterium 14.2.33.276 64-bit2855            47%
7/15
 70%
7/10
     
MinkoChess 1.3 64-bit2851             67%
8/12
  42%
5/12
   
Toga II 3.02849           86%
12/14
25%
1/4
50%
5/10
 38%
1.5/4
50%
2/4
   
Vajolet2 1.28 64-bit2844             50%
4/8
30%
3/10
50%
6/12
    
Arasan 17.4 64-bit2841           65%
6.5/10
54%
7.5/14
       
Fizbo 1.2 64-bit2832            32%
4.5/14
  75%
1.5/2
    
Zappa Mexico 64-bit2832              60%
6/10
25%
2/8
    
SmarThink 1.50 64-bit2829             50%
6/12
  33%
8/24
   
Rybka 1.0 64-bit2824             35%
3.5/10
 44%
3.5/8
    
Murka 3 64-bit2822            50%
9/18
38%
4.5/12
 42%
5/12
50%
2/4
   
Tornado 4.88 64-bit2818            45%
4.5/10
69%
5.5/8
65%
6.5/10
65%
6.5/10
    
Arasan 17.0 64-bit2810             70%
7/10
50%
5/10
     
Crafty 23.8 64-bit2810             48%
10.5/22
46%
5.5/12
 43%
6/14
35%
3.5/10
25%
0.5/2
 
Deuterium 14.1.32.119 64-bit2807             48%
10.5/22
38%
4.5/12
 55%
5.5/10
   
DiscoCheck 5.0.1 64-bit2802                 50%
5.5/11
75%
1.5/2
 
Cheng4 0.36c 64-bit2797            66%
10.5/16
58%
10.5/18
59%
9.5/16
55%
5.5/10
    
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Hiarcs Paderborn 20072794               75%
1.5/2
  0%
0/2
 
Loop 13.6 (Loop 2007) 64-bit2788            50%
1/2
     0%
0/2
 
Arasan 17.2 64-bit2787            0%
0/1
 67%
8/12
64%
9/14
    
Atlas 3.70em 64-bit2786            59%
9.5/16
  75%
7.5/10
    
Fizbo 1.1 64-bit2785              50%
7/14
42%
5/12
    
Arasan 16.3 64-bit2781             75%
1.5/2
  53%
18/34
12%
0.5/4
  
Glaurung 2.2 64-bit2781              75%
1.5/2
  70%
7/10
100%
2/2
 
Gaviota 0.86 64-bit2780             40%
4/10
  35%
3.5/10
50%
2/4
50%
1/2
 
Scorpio 2.7.6 64-bit2780            100%
2/2
75%
1.5/2
38%
1.5/4
 62%
2.5/4
 25%
1/4
 
EXchess 7.31b 64-bit2775            44%
7/16
  58%
7/12
    
EXchess 7.18b 64-bit2774             56%
9/16
45%
4.5/10
 46%
6.5/14
36%
5/14
22%
3.5/16
 
Naraku 1.42773            50%
1/2
 25%
0.5/2
  50%
1/2
  
Frenzee 3.5.19 64-bit2772            50%
1/2
 50%
1/2
 50%
5/10
 12%
0.5/4
 
Octochess r5190 64-bit2771            83%
5/6
50%
1/2
 70%
7/10
50%
5/10
31%
5/16
44%
15/34
 
Crafty 24.0 64-bit2770            62%
2.5/4
 67%
4/6
     
EXchess 7.26b 64-bit2770              42%
8.5/20
100%
1/1
    
Dirty 20Apr2013 64-bit2768            75%
1.5/2
50%
1/2
67%
4/6
75%
1.5/2
57%
8/14
 62%
2.5/4
 
Thinker 5.3b Passive 64-bit2764                 40%
4/10
12%
0.5/4
 
BugChess2 1.9 64-bit2759            75%
1.5/2
 50%
1/2
     
Rodent 1.4 64-bit2758            68%
7.5/11
 62%
10/16
54%
7.5/14
    
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
GNU Chess 5.50 64-bit2756            75%
1.5/2
50%
1/2
50%
1/2
62%
5/8
 50%
2/4
38%
1.5/4
 
Bison 9.11 64-bit2755     100%
1/1
      50%
1/2
75%
1.5/2
50%
1/2
 55%
5.5/10
50%
1/2
25%
0.5/2
 
Andscacs 0.64 64-bit2750            75%
1.5/2
 45%
4.5/10
50%
3/6
    
Cheng4 0.36a 64-bit2746                45%
4.5/10
44%
11.5/26
  
Rodent 1.3 64-bit2739             25%
0.5/2
  30%
3/10
   
Chronos 1.9.9 64-bit2738            40%
4/10
 50%
1/2
31%
2.5/8
 0%
0/2
50%
2/4
 
Arasan 16.2 64-bit2737                 55%
11.5/21
38%
1.5/4
 
Deuterium 13.1.31.113 64-bit2729                 55%
5.5/10
49%
17.5/36
 
Godel 3.4.9 64-bit2726              75%
4.5/6
25%
0.5/2
50%
5/10
   
Bobcat 3.25 64-bit2724            65%
6.5/10
  100%
2/2
55%
5.5/10
75%
10.5/14
42%
2.5/6
 
iCE 1.0 64-bit2705            60%
6/10
 75%
4.5/6
75%
1.5/2
 68%
9.5/14
48%
12/25
21%
2.5/12
ProDeo 1.862700            65%
6.5/10
    56%
13.5/24
 45%
4.5/10
Chessmaster 11 Conqueror2694            60%
6/10
    45%
4.5/10
  
Rhetoric 1.2 64-bit2694             50%
5/10
67%
4/6
    20%
2/10
Rodent 1.2 64-bit2689                 68%
9.5/14
25%
0.5/2
 
Djinn 1.021 64-bit2667               75%
1.5/2
50%
4/8
   
Vajolet 2.032660                  59%
13.5/23
46%
6.5/14
Pawny 1.0 64-bit2659                 50%
5/10
50%
3/6
 
RedQueen 1.1.97 64-bit2659              62%
2.5/4
    55%
5.5/10
Atlas 3.50 64-bit2658                  50%
4/8
25%
0.5/2
NameEloNirvanaChess
2.5
64-bit
4CPU
NirvanaChess
2.4
64-bit
4CPU
NirvanaChess
2.3
64-bit
4CPU
NirvanaChess
2.2
64-bit
4CPU
NirvanaChess
2.5
64-bit
NirvanaChess
2.4
64-bit
NirvanaChess
2.1c
64-bit
4CPU
NirvanaChess
2.3
64-bit
NirvanaChess
2.2
64-bit
NirvanaChess
2.0a
64-bit
4CPU
NirvanaChess
2.1c
64-bit
NirvanaChess
2.0a
64-bit
NirvanaChess
1.8
64-bit
NirvanaChess
1.5
64-bit
NirvanaChess
1.6
64-bit
NirvanaChess
1.7
64-bit
NirvanaChess
1.4
64-bit
NirvanaChess
1.3
64-bit
NirvanaChess
1.2
64-bit
NirvanaChess
1.1
64-bit
Djinn 1.010 64-bit2652                65%
6.5/10
  45%
4.5/10
RedQueen 1.1.4 64-bit2652                 75%
7.5/10
62%
16/26
50%
5/10
Rotor 0.82628                  75%
3/4
42%
2.5/6
NoraGrace 2.0 64-bit2622     100%
1/1
             62%
2.5/4
Tucano 3.00 64-bit2619                  75%
4.5/6
30%
3/10
Djinn 0.987 64-bit2600                  50%
2/4
25%
0.5/2
Glass 2.0 64-bit2597                  88%
3.5/4
15%
1.5/10
Djinn 0.992 64-bit2588                  50%
1/2
35%
3.5/10
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%

Alter engine selection



Alter output selection

Rating list
Testing profile
  (Step: , Numbers: )

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
Sort cross-tables by:   Rating   Name
Highlight diagonal of cells wide. (0 to highlight everything)

Reference rating list:
Recalibrate:
  No recalibration (reference and current list are compared as they are)
  Recalibrate reference list to current one using selected engines only
  Recalibrate reference list to current one using all common engines
  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 May 8, 2021