CCRL Blitz
Downloads and Statistics
May 9, 2021
Testing summary:
Total: 2'520'531 games
played by 3'005 programs

White wins: 968'591 (38.4%)
Black wins: 775'557 (30.8%)
Draws: 776'383 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 7 engines!
7 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 May 9, 2021 with Bayeselo based on 2'520'531 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+
1Belofte 0.9.121198+27−2840.7%+69.219.9%497 
100.0%
 Belofte 0.9.3 64-bit1051+117−8491.6%−503.45.4%367
53.0%
 Belofte 2.1.0 64-bit1049+96−8642.8%+40.727.2%459
82.8%
 Belofte 2.1.21028+116−10634.0%+117.024.4%398
80.1%
 Belofte 2.1.1 64-bit1010+132−12432.7%+141.015.3%639
100.0%
 Belofte 2.0.8 64-bit802+340−33215.3%+332.414.0%264
100.0%
 Belofte 0.9.0677+463−45753.6%−42.323.0%3237
 

Results matrix

Custom engine selection
#NameElo1234567
1Belofte 0.9.121198       
2Belofte 0.9.3 64-bit1051       
3Belofte 2.1.0 64-bit1049       
4Belofte 2.1.21028       
5Belofte 2.1.1 64-bit1010       
6Belofte 2.0.8 64-bit802       
7Belofte 0.9.0677       
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
#NameElo1234567
1Belofte 0.9.121198 100.0100.0100.0100.0100.0100.0
2Belofte 0.9.3 64-bit10510.0 53.075.289.3100.0100.0
3Belofte 2.1.0 64-bit10490.047.0 82.897.2100.0100.0
4Belofte 2.1.210280.024.817.2 80.1100.0100.0
5Belofte 2.1.1 64-bit10100.010.72.819.9 100.0100.0
6Belofte 2.0.8 64-bit8020.00.00.00.00.0 100.0
7Belofte 0.9.06770.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1Belofte 0.9.121198 03103226763570
2Belofte 0.9.3 64-bit10510 150009675
3Belofte 2.1.0 64-bit1049310150 5466705410
4Belofte 2.1.210283220546 68036799
5Belofte 2.1.1 64-bit10106760670680 46487
6Belofte 2.0.8 64-bit80235796541367464 0
7Belofte 0.9.0677075099870 
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
#NameElo1234567
1Belofte 0.9.121198 0.032.436.059.546.90.0
2Belofte 0.9.3 64-bit10510.0 18.20.00.015.22.1
3Belofte 2.1.0 64-bit104932.418.2 63.761.074.80.0
4Belofte 2.1.2102836.00.063.7 65.655.42.7
5Belofte 2.1.1 64-bit101059.50.061.065.6 51.42.2
6Belofte 2.0.8 64-bit80246.915.274.855.451.4 0.0
7Belofte 0.9.06770.02.10.02.72.20.0 
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 21 common opponents

Custom engine selection
NameEloBelofte
0.9.12
Belofte
0.9.3
64-bit
Belofte
2.1.0
64-bit
Belofte
2.1.2
Belofte
2.1.1
64-bit
Belofte
2.0.8
64-bit
Belofte
0.9.0
Ozwald 0.43134915%
4.5/30
   0%
0/16
  
Neocortex 1.0 64-bit133829%
9/31
   8%
2.5/31
  
CeruleanJS 0.1.1 Blizzard 64-bit128448%
15/31
   23%
7/30
  
Project Invincible 2.10128434%
18.5/55
   13%
4/31
  
KillerQueen 2.0b3128339%
12.5/32
   20%
6/30
  
Ronja 0.8.2 64-bit127739%
12/31
   8%
2.5/31
0%
0/32
 
Chess 1.3.1 by David Cimbalista126752%
16.5/32
  17%
5.5/33
22%
6.5/29
6%
1.5/25
 
Sargon 1978 1.001249  31%
15/48
38%
12/32
14%
4/29
19%
5.5/29
 
Tikov 0.6.31239   24%
8/34
19%
4.5/24
  
Toledo Nanochess Jan/11/2010122240%
12.5/31
 26%
12.5/48
19%
6.5/34
25%
7/28
3%
1/31
 
DarkFusch 0.9119053%
17/32
 22%
9/40
27%
8.5/32
34%
10/29
2%
0.5/21
 
Enxadrista 1.01118353%
16/30
 38%
18.5/49
38%
13/34
34%
9.5/28
13%
4/31
 
Neurone XXVII1155  31%
14.5/47
26%
9/34
29%
8/28
  
Cassandre 0.24113968%
20.5/30
 36%
18/50
37%
12.5/34
38%
10.5/28
11%
3.5/31
 
Megalodon 1.0.0 64-bit1128   28%
9/32
32%
10/31
  
MinimalChess 0.2 64-bit1073  30%
9/30
16%
5.5/34
34%
10.5/31
  
Iota 1.0 32-bit1033   53%
17.5/33
29%
8.5/29
 13%
11/85
Safrad 2.2.40.3601009  51%
25/49
 58%
17.5/30
22%
7/32
 
Haddock 0.2.1 64-bit964  57%
27.5/48
 62%
18.5/30
  
AcquaD 3.9.1 LDC737 91%
167/183
95%
47.5/50
  55%
17.5/32
 
NameEloBelofte
0.9.12
Belofte
0.9.3
64-bit
Belofte
2.1.0
64-bit
Belofte
2.1.2
Belofte
2.1.1
64-bit
Belofte
2.0.8
64-bit
Belofte
0.9.0
SxRandom 1 64-bit201 100%
25/25
    93%
126.5/136
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 9, 2021