CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 10 engines!
10 selected engines played 0 games with each other

CCRL Blitz Rating List — Custom engine selection (Quote)

Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "About" page.
Computed on April 17, 2021 with Bayeselo based on 2'506'279 games
Please refer to the "about" page for comments on engine inclusion

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 300 games or more. Normal font - less than 300 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
1Schooner 2.1 64-bit 4CPU3285+15−1551.1%−8.256.1%1283 
79.8%
 Schooner 2.2 64-bit 4CPU3277+10−1144.7%+31.756.0%2760
61.1%
 Schooner 2.0.34 64-bit 4CPU3274+16−1640.8%+54.545.2%1332
58.6%
 Schooner 2.2 64-bit3272+10−1044.5%+40.352.4%3183
100.0%
 Schooner 2.1 64-bit3200+16−1647.8%+13.451.6%1191
79.3%
 Schooner 2.0.34 64-bit3192+14−1452.4%−18.342.5%1848
100.0%
 Schooner 1.8 64-bit2519+16−1652.3%−17.128.2%1435
100.0%
 Schooner 1.7.0 64-bit2463+17−1654.3%−30.025.7%1315
100.0%
 Schooner 1.5 64-bit2356+17−1749.2%+7.322.4%1299
99.9%
 Schooner 1.4.1 64-bit2318+16−1648.3%+12.826.4%1458
 

Results matrix

Custom engine selection
#NameElo12345678910
1Schooner 2.1 64-bit 4CPU3285          
2Schooner 2.2 64-bit 4CPU3277          
3Schooner 2.0.34 64-bit 4CPU3274          
4Schooner 2.2 64-bit3272          
5Schooner 2.1 64-bit3200          
6Schooner 2.0.34 64-bit3192          
7Schooner 1.8 64-bit2519          
8Schooner 1.7.0 64-bit2463          
9Schooner 1.5 64-bit2356          
10Schooner 1.4.1 64-bit2318          
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
1Schooner 2.1 64-bit 4CPU3285 79.882.490.3100.0100.0100.0100.0100.0100.0
2Schooner 2.2 64-bit 4CPU327720.2 61.173.2100.0100.0100.0100.0100.0100.0
3Schooner 2.0.34 64-bit 4CPU327417.638.9 58.6100.0100.0100.0100.0100.0100.0
4Schooner 2.2 64-bit32729.726.841.4 100.0100.0100.0100.0100.0100.0
5Schooner 2.1 64-bit32000.00.00.00.0 79.3100.0100.0100.0100.0
6Schooner 2.0.34 64-bit31920.00.00.00.020.7 100.0100.0100.0100.0
7Schooner 1.8 64-bit25190.00.00.00.00.00.0 100.0100.0100.0
8Schooner 1.7.0 64-bit24630.00.00.00.00.00.00.0 100.0100.0
9Schooner 1.5 64-bit23560.00.00.00.00.00.00.00.0 99.9
10Schooner 1.4.1 64-bit23180.00.00.00.00.00.00.00.00.1 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1Schooner 2.1 64-bit 4CPU3285 13806450000000
2Schooner 2.2 64-bit 4CPU32771380 12630000000
3Schooner 2.0.34 64-bit 4CPU32746451263 0000000
4Schooner 2.2 64-bit3272000 13107560000
5Schooner 2.1 64-bit32000001310 8010000
6Schooner 2.0.34 64-bit3192000756801 3000
7Schooner 1.8 64-bit2519000003 4701129
8Schooner 1.7.0 64-bit2463000000470 2253
9Schooner 1.5 64-bit2356000000112225 1565
10Schooner 1.4.1 64-bit2318000000931565 
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
1Schooner 2.1 64-bit 4CPU3285 34.124.70.00.00.00.00.00.00.0
2Schooner 2.2 64-bit 4CPU327734.1 30.90.00.00.00.00.00.00.0
3Schooner 2.0.34 64-bit 4CPU327424.730.9 0.00.00.00.00.00.00.0
4Schooner 2.2 64-bit32720.00.00.0 29.915.00.00.00.00.0
5Schooner 2.1 64-bit32000.00.00.029.9 26.40.00.00.00.0
6Schooner 2.0.34 64-bit31920.00.00.015.026.4 0.10.00.00.0
7Schooner 1.8 64-bit25190.00.00.00.00.00.1 17.14.10.3
8Schooner 1.7.0 64-bit24630.00.00.00.00.00.017.1 8.60.1
9Schooner 1.5 64-bit23560.00.00.00.00.00.04.18.6 56.8
10Schooner 1.4.1 64-bit23180.00.00.00.00.00.00.30.156.8 
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 80 common opponents

Custom engine selection
NameEloSchooner
2.1
64-bit
4CPU
Schooner
2.2
64-bit
4CPU
Schooner
2.0.34
64-bit
4CPU
Schooner
2.2
64-bit
Schooner
2.1
64-bit
Schooner
2.0.34
64-bit
Schooner
1.8
64-bit
Schooner
1.7.0
64-bit
Schooner
1.5
64-bit
Schooner
1.4.1
64-bit
Stockfish 10 64-bit3490   16%
8/50
0%
0/1
14%
9/63
    
Fire 7.1 64-bit 4CPU3426 25%
37/147
23%
10/44
       
Laser 1.7 64-bit 4CPU336342%
14/33
32%
49/151
30%
32/107
       
Defenchess 2.2 64-bit 4CPU335435%
20.5/59
39%
59.5/151
        
Komodo 13.2.5 MCTS 64-bit3354   36%
18/50
31%
20/64
     
RofChade 2.202 64-bit 4CPU334440%
28/70
41%
61/150
        
Fizbo 2 64-bit 4CPU334339%
13/33
40%
60/151
49%
21.5/44
       
Andscacs 0.95 64-bit 4CPU333544%
14.5/33
41%
62/151
37%
26.5/72
       
Fire 7.1 64-bit3334   43%
21.5/50
 20%
6.5/33
    
Booot 6.3.1 64-bit 4CPU332444%
14.5/33
41%
62/151
42%
18.5/44
       
Ethereal 11.50 64-bit3321    50%
0.5/1
35%
17.5/50
    
RofChade 2.1 64-bit 4CPU330742%
14/33
 57%
16.5/29
       
RofChade 2.202 64-bit3277   44%
22/50
40%
19.5/49
     
Laser 1.7 64-bit3272   59%
29.5/50
42%
27/64
44%
58.5/134
    
Shredder 13 64-bit3270   45%
22.5/50
40%
25.5/64
31%
10/32
    
Fritz 17 64-bit3269   49%
24.5/50
36%
22.5/63
     
Booot 6.3.1 64-bit3254   49%
24.5/50
38%
24.5/65
36%
11.5/32
    
Equinox 3.30 64-bit 4CPU325155%
18/33
54%
53.5/100
        
Fizbo 2 64-bit3247   57%
28.5/50
41%
26/64
53%
17/32
    
Chiron 4 64-bit 4CPU324254%
18.5/34
53%
53/100
48%
20.5/43
       
NameEloSchooner
2.1
64-bit
4CPU
Schooner
2.2
64-bit
4CPU
Schooner
2.0.34
64-bit
4CPU
Schooner
2.2
64-bit
Schooner
2.1
64-bit
Schooner
2.0.34
64-bit
Schooner
1.8
64-bit
Schooner
1.7.0
64-bit
Schooner
1.5
64-bit
Schooner
1.4.1
64-bit
Critter 1.6a 64-bit 4CPU323265%
21.5/33
56%
56.5/100
        
Andscacs 0.95 64-bit3229   59%
29.5/50
38%
24.5/64
     
Hannibal 1.7 64-bit 4CPU322361%
20/33
59%
59/100
57%
25/44
       
NirvanaChess 2.4 64-bit 4CPU322156%
18.5/33
58%
58.5/100
        
RofChade 2.1 64-bit3215    45%
29/64
52%
26/50
    
Rybka 4.1 64-bit 4CPU320664%
21/33
61%
61/100
64%
28/44
       
RubiChess 1.6 64-bit3185   60%
30/50
56%
18/32
     
Arasan 22.0 64-bit3179   66%
33/50
60%
30/50
     
Chiron 4 64-bit3164   68%
34/50
58%
37/64
55%
17.5/32
    
Critter 1.6a 64-bit3156   62%
31/50
47%
30/64
45%
14.5/32
    
Vajolet2 2.7 64-bit3127    50%
0.5/1
71%
22/31
    
Nemorino 5.00 64-bit3116    50%
0.5/1
56%
18/32
    
iCE 3.0 64-bit3080    100%
1/1
69%
22/32
    
Zurichess Neuchatel 64-bit2901     67%
4/6
0%
0/1
   
Cyrano 0.6b17 64-bit2641      50%
0.5/1
100%
1/1
  
Fridolin 2.00 64-bit2538      55%
15.5/28
0%
0/1
  
Little Goliath Evolution 3.122502      58%
36.5/63
100%
1/1
  
CyberPagno 3.0 64-bit2494      51%
32.5/64
100%
1/1
24%
10/42
 
Bruja 1.9.1 64-bit2490      53%
34/64
48%
15.5/32
  
Tao 5.62489      55%
31.5/57
42%
13.5/32
  
NameEloSchooner
2.1
64-bit
4CPU
Schooner
2.2
64-bit
4CPU
Schooner
2.0.34
64-bit
4CPU
Schooner
2.2
64-bit
Schooner
2.1
64-bit
Schooner
2.0.34
64-bit
Schooner
1.8
64-bit
Schooner
1.7.0
64-bit
Schooner
1.5
64-bit
Schooner
1.4.1
64-bit
BBChess 1.3b 64-bit2481      53%
34/64
54%
13.5/25
  
Mephisto Gideon Professional2472      47%
16/34
50%
16/32
  
Kiwi 0.6d 64-bit2470      48%
14.5/30
34%
11/32
  
Cerebro 3.03d2469      50%
16.5/33
55%
11/20
  
Ares 1.005.2 64-bit2440      50%
0.5/1
66%
21/32
  
SpiderChess 0706032439      100%
1/1
52%
16.5/32
  
Gromit 3.8.22432      50%
0.5/1
42%
12.5/30
  
Delphil 3.2 64-bit2431      0%
0/1
56%
18.5/33
  
Hussar 0.42420      0%
0/1
61%
19.5/32
  
Nemeton 1.512420       44%
14/32
45%
14.5/32
 
Dragon 4.62417      100%
1/1
59%
19/32
  
Ifrit m1.8 64-bit2405       56%
18/32
42%
13.5/32
 
TJchess 1.3 64-bit2398       61%
19.5/32
38%
12/32
 
Comet B502387        34%
10.5/31
45%
13.5/30
Diablo 0.5.12384        55%
17.5/32
41%
13/32
Amy 0.87b2383        58%
18.5/32
35%
10.5/30
Gosu 0.162381        48%
15.5/32
38%
16/42
Myrddin 0.87 64-bit2380      0%
0/1
 34%
11/32
30%
9.5/32
Cmcchess 2.6 64-bit2375        47%
14/30
39%
10.5/27
Der Bringer 1.92373        45%
14/31
53%
16.5/31
NameEloSchooner
2.1
64-bit
4CPU
Schooner
2.2
64-bit
4CPU
Schooner
2.0.34
64-bit
4CPU
Schooner
2.2
64-bit
Schooner
2.1
64-bit
Schooner
2.0.34
64-bit
Schooner
1.8
64-bit
Schooner
1.7.0
64-bit
Schooner
1.5
64-bit
Schooner
1.4.1
64-bit
Patzer 3.802372        52%
16/31
24%
7/29
Giraffe 20161023 64-bit2370       95%
9.5/10
38%
10/26
 
Terra 3.42368        47%
15/32
48%
15.5/32
The Crazy Bishop 00522363        55%
17.5/32
55%
17/31
Homer 2.012356        53%
17/32
42%
13.5/32
Amateur 2.822350        56%
18/32
52%
16.5/32
Alex 2.14a 64-bit2347        42%
13.5/32
54%
22/41
Plisk 0.2.7d 64-bit2344        48%
15.5/32
65%
17.5/27
Tigran 2.4n 64-bit2344        58%
18/31
59%
22.5/38
CyberPagno 2.3 64-bit2343        66%
21/32
48%
14.5/30
Horizon 4.42343        55%
17.5/32
52%
16.5/32
TJchess 1.1 64-bit2336        42%
13.5/32
39%
16/41
Queen 4.032335        50%
16/32
56%
18/32
Arion 1.72332        57%
16/28
52%
22/42
Sorgenkind 0.42326      0%
0/1
  60%
6/10
Sage 3.532323        52%
16.5/32
56%
23.5/42
Chezzz 1.0.32320        47%
15/32
38%
16/42
Gibbon 2.69a 64-bit2319        56%
18/32
33%
10.5/32
Mediocre 0.5 64-bit2318      100%
1/1
 59%
19/32
48%
13.5/28
Aice 0.99.22316       50%
0.5/1
 52%
22/42
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 April 17, 2021