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 4 engines!
4 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+
1Koivisto 4.0 64-bit3118+17−1747.7%+14.341.0%1051 
100.0%
 Koivisto 3.0 64-bit3006+18−1845.6%+28.636.5%1025
100.0%
 Koivisto 2.0 64-bit2894+27−2751.1%−7.337.9%448
96.7%
 Koivisto 1.0 64-bit2862+20−2055.9%−42.426.4%860
 

Results matrix

Custom engine selection
#NameElo1234
1Koivisto 4.0 64-bit3118    
2Koivisto 3.0 64-bit3006    
3Koivisto 2.0 64-bit2894    
4Koivisto 1.0 64-bit2862    
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
#NameElo1234
1Koivisto 4.0 64-bit3118 100.0100.0100.0
2Koivisto 3.0 64-bit30060.0 100.0100.0
3Koivisto 2.0 64-bit28940.00.0 96.7
4Koivisto 1.0 64-bit28620.00.03.3 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Koivisto 4.0 64-bit3118 62500
2Koivisto 3.0 64-bit3006625 640
3Koivisto 2.0 64-bit2894064 832
4Koivisto 1.0 64-bit286200832 
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
#NameElo1234
1Koivisto 4.0 64-bit3118 30.10.00.0
2Koivisto 3.0 64-bit300630.1 4.30.0
3Koivisto 2.0 64-bit28940.04.3 63.6
4Koivisto 1.0 64-bit28620.00.063.6 
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 24 common opponents

Custom engine selection
NameEloKoivisto
4.0
64-bit
Koivisto
3.0
64-bit
Koivisto
2.0
64-bit
Koivisto
1.0
64-bit
Combusken 1.4.0 64-bit316940%
10/25
29%
9/31
  
Minic 2.53 64-bit311648%
15.5/32
24%
7.5/31
  
Texel 1.07 64-bit311358%
18/31
30%
9.5/32
  
Hannibal 1.7 64-bit311058%
18/31
34%
11/32
  
Rybka 4.1 64-bit311053%
16.5/31
20%
6.5/32
  
iCE 4.0 64-bit310852%
16.5/32
32%
10/31
  
chess22k 1.14 64-bit309752%
16.5/32
45%
14.5/32
  
Protector 1.9.0 64-bit308840%
12.5/31
32%
10/31
  
Senpai 2.0 64-bit308559%
19/32
45%
14.5/32
  
SmarThink 1.98 64-bit304545%
14.5/32
50%
16/32
  
Francesca MAD 0.29 64-bit2911  47%
15/32
48%
15.5/32
Fruit Reloaded 15th ann. 64-bit2905 64%
20.5/32
41%
13/32
 
Quazar 0.4 64-bit2901  53%
17/32
50%
16/32
Zurichess Neuchatel 64-bit2901  45%
14.5/32
44%
14/32
Deep Junior Yokohama 64-bit2897  56%
18/32
53%
17/32
Tucano 8.00 64-bit2895  48%
15.5/32
47%
15/32
Daydreamer 2.0.0-pre2 64-bit2890  61%
19.5/32
52%
16.5/32
Thinker 5.4d Inert 64-bit2884  39%
12.5/32
62%
20/32
Murka 3 64-bit2882  53%
17/32
45%
14.5/32
The Baron 3.44 64-bit2882  61%
19.5/32
47%
15/32
NameEloKoivisto
4.0
64-bit
Koivisto
3.0
64-bit
Koivisto
2.0
64-bit
Koivisto
1.0
64-bit
Gaviota 1.0 64-bit2871  47%
15/32
53%
17/32
DisasterArea 1.65 64-bit2869  50%
16/32
47%
15/32
MinkoChess 1.3 64-bit2869  55%
17.5/32
56%
18/32
Nemo 1.0.1 64-bit2857  59%
19/32
52%
16.5/32
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