CCRL Blitz
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 2'344'796 games
played by 2'763 programs

White wins: 903'383 (38.5%)
Black wins: 726'503 (31.0%)
Draws: 714'910 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 15 engines!
15 selected engines played 52 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 August 1, 2020 with Bayeselo based on 2'344'796 games

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+
1Pirarucu 3.3.5 64-bit 4CPU3133+18−1848.5%+9.644.1%948 
60.1%
 Pirarucu 3.2.4 64-bit 4CPU3130+15−1547.3%+15.949.2%1280
99.8%
 Pirarucu 2.9.5 64-bit 4CPU3096+17−1751.4%−10.847.0%1038
99.4%
 Pirarucu 3.3.5 64-bit3064+18−1750.7%−5.839.6%1049
92.4%
 Pirarucu 3.2.4 64-bit3038+30−2956.0%−35.644.7%351
86.0%
 Pirarucu 3.0.7 64-bit3020+15−1548.6%+6.741.4%1402
99.7%
 Pirarucu 2.9.5 64-bit2987+19−1947.6%+15.340.2%898
83.9%
 Pirarucu 2.7.4 64-bit2975+16−1648.6%+7.442.8%1348
100.0%
 Pirarucu 2.6.1 64-bit2935+16−1644.4%+36.137.3%1414
100.0%
 Pirarucu 2.3.8 64-bit2866+19−1951.4%−14.234.1%984
100.0%
 Pirarucu 2.2.2 64-bit2674+17−1850.6%−8.626.6%1246
100.0%
 Pirarucu 2.0.2 64-bit2347+37−3665.5%−126.015.5%310
86.9%
 Pirarucu 2.0.0 64-bit2324+16−1658.2%−62.718.7%1484
100.0%
 Pirarucu 1.72 64-bit2091+30−2965.6%−122.414.0%464
100.0%
 Pirarucu 1.4 64-bit1851+31−3142.6%+59.516.7%408
 

Results matrix

Custom engine selection
#NameElo123456789101112131415
1Pirarucu 3.3.5 64-bit 4CPU3133               
2Pirarucu 3.2.4 64-bit 4CPU3130               
3Pirarucu 2.9.5 64-bit 4CPU3096               
4Pirarucu 3.3.5 64-bit3064               
5Pirarucu 3.2.4 64-bit3038               
6Pirarucu 3.0.7 64-bit3020               
7Pirarucu 2.9.5 64-bit2987               
8Pirarucu 2.7.4 64-bit2975               
9Pirarucu 2.6.1 64-bit2935         33 − 19
+19−5=28
+11
     
10Pirarucu 2.3.8 64-bit2866        19 − 33
+5−19=28
−11
      
11Pirarucu 2.2.2 64-bit2674               
12Pirarucu 2.0.2 64-bit2347               
13Pirarucu 2.0.0 64-bit2324               
14Pirarucu 1.72 64-bit2091               
15Pirarucu 1.4 64-bit1851               
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
#NameElo123456789101112131415
1Pirarucu 3.3.5 64-bit 4CPU3133 60.199.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Pirarucu 3.2.4 64-bit 4CPU313039.9 99.8100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Pirarucu 2.9.5 64-bit 4CPU30960.20.2 99.499.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
4Pirarucu 3.3.5 64-bit30640.00.00.6 92.4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
5Pirarucu 3.2.4 64-bit30380.00.00.17.6 86.099.8100.0100.0100.0100.0100.0100.0100.0100.0
6Pirarucu 3.0.7 64-bit30200.00.00.00.014.0 99.7100.0100.0100.0100.0100.0100.0100.0100.0
7Pirarucu 2.9.5 64-bit29870.00.00.00.00.20.3 83.9100.0100.0100.0100.0100.0100.0100.0
8Pirarucu 2.7.4 64-bit29750.00.00.00.00.00.016.1 100.0100.0100.0100.0100.0100.0100.0
9Pirarucu 2.6.1 64-bit29350.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
10Pirarucu 2.3.8 64-bit28660.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
11Pirarucu 2.2.2 64-bit26740.00.00.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
12Pirarucu 2.0.2 64-bit23470.00.00.00.00.00.00.00.00.00.00.0 86.9100.0100.0
13Pirarucu 2.0.0 64-bit23240.00.00.00.00.00.00.00.00.00.00.013.1 100.0100.0
14Pirarucu 1.72 64-bit20910.00.00.00.00.00.00.00.00.00.00.00.00.0 100.0
15Pirarucu 1.4 64-bit18510.00.00.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789101112131415
1Pirarucu 3.3.5 64-bit 4CPU3133 960547000000000000
2Pirarucu 3.2.4 64-bit 4CPU3130960 460000000000000
3Pirarucu 2.9.5 64-bit 4CPU3096547460 144023130278289000000
4Pirarucu 3.3.5 64-bit306400144 3198913194284746600000
5Pirarucu 3.2.4 64-bit3038000319 0000000000
6Pirarucu 3.0.7 64-bit3020002318910 90483593439100000
7Pirarucu 2.9.5 64-bit2987003023190904 909102235500000
8Pirarucu 2.7.4 64-bit297500784280835909 1004540960000
9Pirarucu 2.6.1 64-bit293500289474093410221004 9302880000
10Pirarucu 2.3.8 64-bit2866000660391355540930 2880000
11Pirarucu 2.2.2 64-bit2674000000096288288 67800
12Pirarucu 2.0.2 64-bit234700000000006 11230
13Pirarucu 2.0.0 64-bit2324000000000078112 00
14Pirarucu 1.72 64-bit20910000000000030 113
15Pirarucu 1.4 64-bit18510000000000000113 
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
#NameElo123456789101112131415
1Pirarucu 3.3.5 64-bit 4CPU3133 43.127.50.00.00.00.00.00.00.00.00.00.00.00.0
2Pirarucu 3.2.4 64-bit 4CPU313043.1 19.80.00.00.00.00.00.00.00.00.00.00.00.0
3Pirarucu 2.9.5 64-bit 4CPU309627.519.8 6.90.09.515.63.311.80.00.00.00.00.00.0
4Pirarucu 3.3.5 64-bit30640.00.06.9 22.836.416.417.919.23.20.00.00.00.00.0
5Pirarucu 3.2.4 64-bit30380.00.00.022.8 0.00.00.00.00.00.00.00.00.00.0
6Pirarucu 3.0.7 64-bit30200.00.09.536.40.0 39.330.433.216.40.00.00.00.00.0
7Pirarucu 2.9.5 64-bit29870.00.015.616.40.039.3 40.544.218.90.00.00.00.00.0
8Pirarucu 2.7.4 64-bit29750.00.03.317.90.030.440.5 36.423.23.70.00.00.00.0
9Pirarucu 2.6.1 64-bit29350.00.011.819.20.033.244.236.4 38.810.80.00.00.00.0
10Pirarucu 2.3.8 64-bit28660.00.00.03.20.016.418.923.238.8 12.90.00.00.00.0
11Pirarucu 2.2.2 64-bit26740.00.00.00.00.00.00.03.710.812.9 0.42.90.00.0
12Pirarucu 2.0.2 64-bit23470.00.00.00.00.00.00.00.00.00.00.4 6.20.40.0
13Pirarucu 2.0.0 64-bit23240.00.00.00.00.00.00.00.00.00.02.96.2 0.00.0
14Pirarucu 1.72 64-bit20910.00.00.00.00.00.00.00.00.00.00.00.40.0 13.0
15Pirarucu 1.4 64-bit18510.00.00.00.00.00.00.00.00.00.00.00.00.013.0 
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 78 common opponents

Custom engine selection
NameEloPirarucu
3.3.5
64-bit
4CPU
Pirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.2.4
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
chess22k 1.14 64-bit 4CPU318249%
33.5/69
 41%
43/105
            
Nemorino 5.00 64-bit 4CPU318032%
21/65
39%
24/61
             
Senpai 2.0 64-bit 4CPU317843%
29.5/69
46%
28/61
             
iCE 4.0 64-bit 4CPU317042%
29/69
37%
53.5/146
             
Igel 2.3.1 64-bit 4CPU3159 38%
27.5/72
43%
38.5/90
            
Naum 4.6 64-bit 4CPU315049%
33.5/68
53%
32.5/61
             
Minic 2.0 64-bit 4CPU313847%
32/68
49%
20.5/42
             
Xiphos 0.3 64-bit3137         0%
0/1
0%
0/1
    
NirvanaChess 2.4 64-bit3132   33%
10.5/32
 36%
11.5/32
 38%
21/55
       
Protector 1.9.0 64-bit 4CPU313050%
34.5/69
62%
37.5/60
33%
9/27
            
Demolito 2020-02-08 64-bit3119   41%
13/32
35%
11/31
          
Nemorino 5.00 64-bit3118   43%
13/30
 0%
0/1
         
Texel 1.07 64-bit3113   55%
17.5/32
 36%
11.5/32
   50%
0.5/1
     
iCE 4.0 64-bit3112   45%
14.5/32
 28%
9/32
         
Hannibal 1.7 64-bit3111   50%
16/32
 32%
10/31
         
Rybka 4.1 64-bit3110   31%
10/32
 35%
11/31
 36%
19.5/54
       
Demolito 2018-10-29 64-bit 4CPU3105 48%
30/62
50%
13.5/27
            
Amoeba 3.1 64-bit 4CPU310151%
35.5/69
 50%
40/80
            
PeSTO 2.210 64-bit 4CPU309965%
44.5/68
50%
30.5/61
49%
37/75
            
Protector 1.9.0 64-bit3087   50%
16/32
 29%
9.5/33
  25%
12.5/50
      
NameEloPirarucu
3.3.5
64-bit
4CPU
Pirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.2.4
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
Senpai 2.0 64-bit3087   33%
10.5/32
 48%
15/31
 31%
17/55
26%
13.5/51
      
Vajolet2 2.6 64-bit3085       0%
0/1
28%
14.5/51
      
iCE 3.0 64-bit3081  54%
30.5/56
  35%
11.5/33
38%
15/40
 26%
13.5/52
      
Wasp 3.50 64-bit3066      39%
12.5/32
40%
34/85
       
ChessBrainVB 3.723049     50%
16/32
45%
14.5/32
        
Defenchess 1.1f 64-bit3048     45%
14.5/32
44%
14/32
39%
21/54
36%
18/50
50%
0.5/1
     
SmarThink 1.98 64-bit3044  56%
29/52
53%
17/32
 72%
23/32
45%
31.5/70
 48%
24/50
      
Bagatur 2.0 64-bit3032   55%
17.5/32
55%
17.5/32
          
Naum 4.6 64-bit3032   47%
15/32
 40%
12/30
44%
14/32
42%
22.5/54
34%
17.5/51
      
Minic 2.07 64-bit3028   55%
17.5/32
45%
14.5/32
          
Deuterium 2019.2.37.73 64-bit3022   55%
17.5/32
 50%
16/32
         
Hakkapeliitta TCEC v2 64-bit3020  45%
12.5/28
47%
15/32
 53%
16/30
45%
32.5/72
28%
14/50
36%
18.5/51
      
ChessBrainVB 3.742999   69%
22/32
 50%
16/32
         
Deuterium 2019.1.36.50 64-bit2999     50%
16/32
56%
18/32
56%
17.5/31
       
Rodent III 0.275 64-bit2998      39%
12.5/32
 54%
27.5/51
      
Rodent IV 022 64-bit2994   69%
22/32
 50%
16/32
         
Marvin 3.5.0 64-bit2989   64%
20.5/32
55%
17.5/32
          
Hiarcs 142985   66%
20.5/31
 53%
16.5/31
36%
11.5/32
 37%
11/30
36%
11.5/32
     
Amoeba 3.1 64-bit2984   64%
20.5/32
61%
19.5/32
          
Amoeba 3.0 64-bit2975     53%
17/32
55%
22/40
        
NameEloPirarucu
3.3.5
64-bit
4CPU
Pirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.2.4
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
Bobcat 8.0 64-bit2960     62%
20/32
56%
40/72
54%
56.5/104
38%
20/52
39%
12.5/32
     
Demolito 2018-03-01 64-bit2957        44%
23/52
38%
12.5/33
     
Amoeba 2.8 64-bit2953      50%
36/72
55%
47.5/87
42%
23/55
42%
13.5/32
     
Deuterium 2018.1.35.514 64-bit2952       47%
23.5/50
49%
24/49
34%
11/32
     
Cheng 4.39 64-bit2943     61%
19.5/32
60%
43.5/72
53%
26/49
46%
25/54
42%
13.5/32
     
Winter 0.6 64-bit2938     62%
20/32
56%
18/32
        
Crafty 25.2 64-bit2934     69%
21.5/31
  50%
16/32
38%
12.5/33
     
Spark 1.0 64-bit2927     69%
22/32
 65%
32.5/50
 42%
13.5/32
     
Dirty CUCUMBER 64-bit2926     69%
22/32
  62%
20/32
      
Atlas 3.91 64-bit2923     66%
20.5/31
   44%
14/32
     
Toga II 4.0 64-bit2922        45%
14.5/32
36%
11.5/32
     
Spike 1.4 Leiden2920       49%
24.5/50
 42%
13.5/32
     
DiscoCheck 5.2.1 64-bit2913     50%
0.5/1
 51%
27/53
       
Scorpio 2.8 64-bit2904        45%
14.5/32
100%
1/1
     
Zurichess Neuchatel 64-bit2901       57%
31/54
 50%
0.5/1
     
Gaviota 1.0 64-bit2872       65%
32.5/50
44%
14/32
 19%
7.5/40
    
Zappa Mexico II 64-bit2846       69%
34.5/50
 100%
1/1
     
Godel 4.4.5 64-bit2839       100%
1/1
77%
24.5/32
42%
19.5/46
     
RuyDos 1.1.6 64-bit2798        66%
21/32
 39%
15.5/40
    
Marvin 3.1.0 64-bit2793        56%
18/32
53%
17/32
     
NameEloPirarucu
3.3.5
64-bit
4CPU
Pirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
Pirarucu
3.3.5
64-bit
Pirarucu
3.2.4
64-bit
Pirarucu
3.0.7
64-bit
Pirarucu
2.9.5
64-bit
Pirarucu
2.7.4
64-bit
Pirarucu
2.6.1
64-bit
Pirarucu
2.3.8
64-bit
Pirarucu
2.2.2
64-bit
Pirarucu
2.0.2
64-bit
Pirarucu
2.0.0
64-bit
Pirarucu
1.72
64-bit
Pirarucu
1.4
64-bit
Pawny 1.2 64-bit2767       100%
1/1
 58%
18.5/32
33%
18.5/56
    
Bison 9.11 64-bit2762        66%
21/32
 36%
14.5/40
    
Chronos 1.9.9 64-bit2739     0%
0/1
 100%
1/1
 80%
25.5/32
     
Shield 2.1 64-bit2737       0%
0/1
 72%
23/32
44%
17.5/40
    
Cheese 1.9 64-bit2731         84%
13.5/16
44%
17.5/40
    
Devel 2.00002713        75%
24/32
62%
20/32
52%
21/40
    
Donna 4.0 64-bit2650         100%
1/1
49%
19.5/40
    
DanaSah 7.32617         50%
0.5/1
59%
23.5/40
    
Delocto 0.6 64-bit2611          59%
24/41
0%
0/1
   
Teki 2 64-bit2387          84%
33.5/40
 45%
13/29
  
Patzer 3.802373          50%
0.5/1
 58%
15/26
  
Plisk 0.2.7d 64-bit2342          50%
0.5/1
54%
13.5/25
37%
10/27
  
CT800 1.30 64-bit2228           70%
17.5/25
66%
21/32
  
Beowulf 2.4a 32-bit2203          100%
1/1
 81%
13/16
  
Hedgehog 1.814 64-bit2126           100%
1/1
81%
13/16
  
Plywood 1.7.32012             56%
15/27
29%
8.5/29
Arabian Knight 1.55 64-bit1981             61%
17/28
31%
9/29
Snowy 0.2 64-bit1979           100%
1/1
 65%
17/26
 
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 August 1, 2020