CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 8 engines!
8 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 10, 2021 with Bayeselo based on 2'502'969 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+
1Sapeli 1.92 64-bit1992+18−1850.0%−1.721.7%1069 
81.5%
 Sapeli 1.79 64-bit1978+25−2550.6%−5.217.4%616
95.8%
 Sapeli 1.90 64-bit1943+30−3144.5%+40.019.9%391
60.2%
 Sapeli 1.64 64-bit1938+21−2154.8%−34.920.2%870
51.7%
 Sapeli 1.78 64-bit1937+27−2746.3%+27.717.6%506
96.8%
 Sapeli 1.68 64-bit1834+105−10550.0%−1.018.8%32
85.4%
 Sapeli 1.0 64-bit1777+19−1948.6%+12.018.8%1062
100.0%
 Sapeli 1.02 RND 64-bit269+869−86430.8%+116.759.7%6248
 

Results matrix

Custom engine selection
#NameElo12345678
1Sapeli 1.92 64-bit1992        
2Sapeli 1.79 64-bit1978        
3Sapeli 1.90 64-bit1943        
4Sapeli 1.64 64-bit1938        
5Sapeli 1.78 64-bit1937        
6Sapeli 1.68 64-bit1834        
7Sapeli 1.0 64-bit1777        
8Sapeli 1.02 RND 64-bit269        
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
#NameElo12345678
1Sapeli 1.92 64-bit1992 81.599.6100.099.999.8100.0100.0
2Sapeli 1.79 64-bit197818.5 95.899.298.499.5100.0100.0
3Sapeli 1.90 64-bit19430.44.2 60.260.697.4100.0100.0
4Sapeli 1.64 64-bit19380.00.839.8 51.797.1100.0100.0
5Sapeli 1.78 64-bit19370.11.639.448.3 96.8100.0100.0
6Sapeli 1.68 64-bit18340.20.52.62.93.2 85.4100.0
7Sapeli 1.0 64-bit17770.00.00.00.00.014.6 100.0
8Sapeli 1.02 RND 64-bit2690.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1Sapeli 1.92 64-bit1992 388669298375000
2Sapeli 1.79 64-bit1978388 219425384000
3Sapeli 1.90 64-bit1943669219 51186000
4Sapeli 1.64 64-bit193829842551 75103810
5Sapeli 1.78 64-bit1937375384186751 000
6Sapeli 1.68 64-bit183400000 00
7Sapeli 1.0 64-bit177700038100 0
8Sapeli 1.02 RND 64-bit2690000000 
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
#NameElo12345678
1Sapeli 1.92 64-bit1992 23.045.815.423.80.00.00.0
2Sapeli 1.79 64-bit197823.0 21.728.634.20.00.00.0
3Sapeli 1.90 64-bit194345.821.7 4.020.70.00.00.0
4Sapeli 1.64 64-bit193815.428.64.0 54.60.019.70.0
5Sapeli 1.78 64-bit193723.834.220.754.6 0.00.00.0
6Sapeli 1.68 64-bit18340.00.00.00.00.0 0.00.0
7Sapeli 1.0 64-bit17770.00.00.019.70.00.0 0.0
8Sapeli 1.02 RND 64-bit2690.00.00.00.00.00.00.0 
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 31 common opponents

Custom engine selection
NameEloSapeli
1.92
64-bit
Sapeli
1.79
64-bit
Sapeli
1.90
64-bit
Sapeli
1.64
64-bit
Sapeli
1.78
64-bit
Sapeli
1.68
64-bit
Sapeli
1.0
64-bit
Sapeli
1.02
RND
64-bit
Supernova 1.0.1 64-bit201455%
17/31
 23%
7/30
     
Matant 5.04200228%
9/32
25%
11.5/46
31%
9.5/31
50%
10/20
31%
10/32
   
ChessV 2.2 64-bit199863%
16.5/26
 32%
6.5/20
     
Gullydeckel 2.16pl1199357%
17/30
 50%
15/30
     
Chess4j 3.5 64-bit198943%
13/30
 25%
8/32
     
Bubble 1.5198758%
18.5/32
45%
21.5/48
      
BigLion 2.23x198638%
11.5/30
 52%
16.5/32
     
Celes 0.78 RWBC198338%
12/32
49%
16.5/34
 37%
9.5/26
    
Goldfish 1.13.0 64-bit198250%
16/32
 56%
18/32
     
Arabian Knight 1.55 64-bit198063%
19.5/31
 50%
15/30
     
Faile 1.4.4198041%
13/32
 48%
15/31
 27%
8.5/31
   
Slibo 0.5.1197855%
17.5/32
 36%
11.5/32
 52%
15/29
   
Snowy 0.2 64-bit197850%
16/32
50%
24.5/49
63%
19.5/31
     
SSEChessII 2.05 DC196748%
15.5/32
56%
28.5/51
 59%
19/32
36%
11.5/32
   
ALChess 1.84196262%
18/29
  55%
17.5/32
56%
18/32
   
Franky 1.0 64-bit1958   47%
14.5/31
47%
15/32
   
Cilian 4.141956   56%
18/32
56%
18/32
   
Tinman 0.4.0 64-bit1954 52%
16.5/32
57%
17/30
     
Micro-Max 4.81953   37%
11.5/31
31%
10/32
   
Jacksprat 1.0 64-bit1952 88%
26.5/30
 48%
15.5/32
50%
16/32
   
NameEloSapeli
1.92
64-bit
Sapeli
1.79
64-bit
Sapeli
1.90
64-bit
Sapeli
1.64
64-bit
Sapeli
1.78
64-bit
Sapeli
1.68
64-bit
Sapeli
1.0
64-bit
Sapeli
1.02
RND
64-bit
JanWillem 1.131952 61%
28.5/47
 50%
16/32
45%
14.5/32
   
AdaChess 3.6 64-bit1951   47%
15/32
58%
18.5/32
   
Etude 0.1.21951 52%
26/50
 50%
15.5/31
69%
22/32
   
BSC 3.9++ 64-bit1936   47%
14.5/31
64%
20.5/32
   
Monik 2.2.6 64-bit193473%
22.5/31
  56%
18/32
47%
14.5/31
   
Butter 1.0 64-bit1854   69%
22/32
  48%
15.5/32
 
Deepov 0.4.1 64-bit1853   60%
18.5/31
  32%
10/31
 
Roce 0.03901852   62%
20/32
  45%
14.5/32
 
Skiull 0.3 64-bit1830   56%
18/32
  45%
14.5/32
 
Sayuri 2018.05.23 64-bit1813   70%
22.5/32
  59%
19/32
 
Pigeon 1.5.1 64-bit1798   76%
23.5/31
  55%
17.5/32
 
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 10, 2021