CCRL Blitz
Downloads and Statistics
April 4, 2020
Testing summary:
Total: 2'237'337 games
played by 2'622 programs

White wins: 863'695 (38.6%)
Black wins: 695'766 (31.1%)
Draws: 677'876 (30.3%)
White score: 53.8%

Custom engine selection

Comparing 13 engines!
13 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 April 4, 2020 with Bayeselo based on 2'237'337 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 3.2.4 64-bit 4CPU3131+15−1547.3%+16.549.2%1280 
99.9%
 Pirarucu 2.9.5 64-bit 4CPU3092+18−1852.6%−17.146.1%933
99.9%
 Pirarucu 3.2.4 64-bit3033+33−3255.7%−34.943.9%287
75.3%
 Pirarucu 3.0.7 64-bit3020+15−1548.6%+7.041.4%1402
99.7%
 Pirarucu 2.9.5 64-bit2987+19−1947.6%+15.240.2%898
84.2%
 Pirarucu 2.7.4 64-bit2975+16−1648.6%+7.242.8%1348
100.0%
 Pirarucu 2.6.1 64-bit2935+16−1644.4%+36.037.3%1414
100.0%
 Pirarucu 2.3.8 64-bit2866+19−1951.4%−14.034.1%984
100.0%
 Pirarucu 2.2.2 64-bit2675+18−1850.6%−9.126.6%1246
100.0%
 Pirarucu 2.0.2 64-bit2348+37−3665.5%−126.015.5%310
87.2%
 Pirarucu 2.0.0 64-bit2325+16−1658.2%−63.018.7%1484
100.0%
 Pirarucu 1.72 64-bit2093+30−2965.6%−122.314.0%464
100.0%
 Pirarucu 1.4 64-bit1853+31−3142.6%+59.716.7%408
 

Results matrix

Custom engine selection
#NameElo12345678910111213
1Pirarucu 3.2.4 64-bit 4CPU3131             
2Pirarucu 2.9.5 64-bit 4CPU3092             
3Pirarucu 3.2.4 64-bit3033             
4Pirarucu 3.0.7 64-bit3020             
5Pirarucu 2.9.5 64-bit2987             
6Pirarucu 2.7.4 64-bit2975             
7Pirarucu 2.6.1 64-bit2935       33 − 19
+19−5=28
+11
     
8Pirarucu 2.3.8 64-bit2866      19 − 33
+5−19=28
−11
      
9Pirarucu 2.2.2 64-bit2675             
10Pirarucu 2.0.2 64-bit2348             
11Pirarucu 2.0.0 64-bit2325             
12Pirarucu 1.72 64-bit2093             
13Pirarucu 1.4 64-bit1853             
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
#NameElo12345678910111213
1Pirarucu 3.2.4 64-bit 4CPU3131 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
2Pirarucu 2.9.5 64-bit 4CPU30920.1 99.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
3Pirarucu 3.2.4 64-bit30330.00.1 75.399.199.9100.0100.0100.0100.0100.0100.0100.0
4Pirarucu 3.0.7 64-bit30200.00.024.7 99.7100.0100.0100.0100.0100.0100.0100.0100.0
5Pirarucu 2.9.5 64-bit29870.00.00.90.3 84.2100.0100.0100.0100.0100.0100.0100.0
6Pirarucu 2.7.4 64-bit29750.00.00.10.015.8 100.0100.0100.0100.0100.0100.0100.0
7Pirarucu 2.6.1 64-bit29350.00.00.00.00.00.0 100.0100.0100.0100.0100.0100.0
8Pirarucu 2.3.8 64-bit28660.00.00.00.00.00.00.0 100.0100.0100.0100.0100.0
9Pirarucu 2.2.2 64-bit26750.00.00.00.00.00.00.00.0 100.0100.0100.0100.0
10Pirarucu 2.0.2 64-bit23480.00.00.00.00.00.00.00.00.0 87.2100.0100.0
11Pirarucu 2.0.0 64-bit23250.00.00.00.00.00.00.00.00.012.8 100.0100.0
12Pirarucu 1.72 64-bit20930.00.00.00.00.00.00.00.00.00.00.0 100.0
13Pirarucu 1.4 64-bit18530.00.00.00.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910111213
1Pirarucu 3.2.4 64-bit 4CPU3131 46000000000000
2Pirarucu 2.9.5 64-bit 4CPU3092460 023130278289000000
3Pirarucu 3.2.4 64-bit303300 0000000000
4Pirarucu 3.0.7 64-bit302002310 90483593439100000
5Pirarucu 2.9.5 64-bit298703020904 909102235500000
6Pirarucu 2.7.4 64-bit29750780835909 1004540960000
7Pirarucu 2.6.1 64-bit29350289093410221004 9302880000
8Pirarucu 2.3.8 64-bit2866000391355540930 2880000
9Pirarucu 2.2.2 64-bit26750000096288288 67800
10Pirarucu 2.0.2 64-bit2348000000006 11230
11Pirarucu 2.0.0 64-bit23250000000078112 00
12Pirarucu 1.72 64-bit209300000000030 113
13Pirarucu 1.4 64-bit185300000000000113 
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
#NameElo12345678910111213
1Pirarucu 3.2.4 64-bit 4CPU3131 20.80.00.00.00.00.00.00.00.00.00.00.0
2Pirarucu 2.9.5 64-bit 4CPU309220.8 0.09.916.53.412.30.00.00.00.00.00.0
3Pirarucu 3.2.4 64-bit30330.00.0 0.00.00.00.00.00.00.00.00.00.0
4Pirarucu 3.0.7 64-bit30200.09.90.0 39.330.433.216.40.00.00.00.00.0
5Pirarucu 2.9.5 64-bit29870.016.50.039.3 40.544.218.90.00.00.00.00.0
6Pirarucu 2.7.4 64-bit29750.03.40.030.440.5 36.423.23.70.00.00.00.0
7Pirarucu 2.6.1 64-bit29350.012.30.033.244.236.4 38.810.80.00.00.00.0
8Pirarucu 2.3.8 64-bit28660.00.00.016.418.923.238.8 12.90.00.00.00.0
9Pirarucu 2.2.2 64-bit26750.00.00.00.00.03.710.812.9 0.42.90.00.0
10Pirarucu 2.0.2 64-bit23480.00.00.00.00.00.00.00.00.4 6.20.40.0
11Pirarucu 2.0.0 64-bit23250.00.00.00.00.00.00.00.02.96.2 0.00.0
12Pirarucu 1.72 64-bit20930.00.00.00.00.00.00.00.00.00.40.0 13.0
13Pirarucu 1.4 64-bit18530.00.00.00.00.00.00.00.00.00.00.013.0 
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 60 common opponents

Custom engine selection
NameEloPirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
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
Igel 2.3.1 64-bit 4CPU316038%
27.5/72
43%
38.5/90
           
Xiphos 0.3 64-bit3137       0%
0/1
0%
0/1
    
NirvanaChess 2.4 64-bit3132   36%
11.5/32
 38%
21/55
       
Protector 1.9.0 64-bit 4CPU312862%
37.5/60
33%
9/27
           
Texel 1.07 64-bit3113   36%
11.5/32
   50%
0.5/1
     
Rybka 4.1 64-bit3109   35%
11/31
 36%
19.5/54
       
PeSTO 2.210 64-bit 4CPU310750%
30.5/61
49%
37/75
           
Demolito 2018-10-29 64-bit 4CPU310648%
30/62
50%
13.5/27
           
Senpai 2.0 64-bit3087   48%
15/31
 31%
17/55
26%
13.5/51
      
Protector 1.9.0 64-bit3086   29%
9.5/33
  25%
12.5/50
      
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 3.723048   50%
16/32
45%
14.5/32
        
Defenchess 1.1f 64-bit3047   45%
14.5/32
44%
14/32
39%
21/54
36%
18/50
50%
0.5/1
     
SmarThink 1.98 64-bit3043 56%
29/52
 72%
23/32
45%
31.5/70
 48%
24/50
      
Naum 4.6 64-bit3032   40%
12/30
44%
14/32
42%
22.5/54
34%
17.5/51
      
Hakkapeliitta TCEC v2 64-bit3020 45%
12.5/28
 53%
16/30
45%
32.5/72
28%
14/50
36%
18.5/51
      
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
      
NameEloPirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
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
Hiarcs 142986   53%
16.5/31
36%
11.5/32
 37%
11/30
36%
11.5/32
     
Amoeba 3.0 64-bit2975   53%
17/32
55%
22/40
        
Bobcat 8.0 64-bit2961   62%
20/32
56%
40/72
54%
56.5/104
38%
20/52
39%
12.5/32
     
Demolito 2018-03-01 64-bit2958      44%
23/52
38%
12.5/33
     
Amoeba 2.8 64-bit2952    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-bit2944   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-bit2925   69%
22/32
  62%
20/32
      
Atlas 3.91 64-bit2924   66%
20.5/31
   44%
14/32
     
Toga II 4.0 64-bit2921      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-bit2903      45%
14.5/32
100%
1/1
     
Zurichess Neuchatel 64-bit2900     57%
31/54
 50%
0.5/1
     
Gaviota 1.0 64-bit2873     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
     
NameEloPirarucu
3.2.4
64-bit
4CPU
Pirarucu
2.9.5
64-bit
4CPU
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
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
     
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-bit2740   0%
0/1
 100%
1/1
 80%
25.5/32
     
Shield 2.1 64-bit2738     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-bit2651       100%
1/1
49%
19.5/40
    
DanaSah 7.32618       50%
0.5/1
59%
23.5/40
    
Delocto 0.6 64-bit2612        59%
24/41
0%
0/1
   
Teki 2 64-bit2393        84%
33.5/40
 45%
13/29
  
Patzer 3.802375        50%
0.5/1
 58%
15/26
  
Plisk 0.2.7d 64-bit2344        50%
0.5/1
54%
13.5/25
37%
10/27
  
CT800 1.30 64-bit2229         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 1.732020           56%
15/27
29%
8.5/29
Arabian Knight 1.551990           61%
17/28
31%
9/29
Snowy 0.2 64-bit1985         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 April 4, 2020