CCRL Blitz
Downloads and Statistics
July 11, 2020
Testing summary:
Total: 2'325'533 games
played by 2'738 programs

White wins: 896'067 (38.5%)
Black wins: 720'738 (31.0%)
Draws: 708'728 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 5 engines!
5 selected engines played 64 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 July 11, 2020 with Bayeselo based on 2'325'533 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+
1Strelka 5.1 64-bit3142+20−2066.4%−119.339.7%907 
56.0%
 Strelka 5.5 64-bit3140+9−933.8%+127.832.6%6357
100.0%
 Strelka 2.0 B 64-bit2856+19−1957.1%−51.129.1%1037
100.0%
 Strelka 1.8 32-bit2782+13−1348.2%+8.435.5%2103
100.0%
 Strelka 1.0b 32-bit2739+17−1755.4%−41.030.9%1202
 

Results matrix

Custom engine selection
#NameElo12345
1Strelka 5.1 64-bit3142     
2Strelka 5.5 64-bit3140     
3Strelka 2.0 B 64-bit2856     
4Strelka 1.8 32-bit2782    43 − 21
+32−10=22
+69
5Strelka 1.0b 32-bit2739   21 − 43
+10−32=22
−69
 
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
#NameElo12345
1Strelka 5.1 64-bit3142 56.0100.0100.0100.0
2Strelka 5.5 64-bit314044.0 100.0100.0100.0
3Strelka 2.0 B 64-bit28560.00.0 100.0100.0
4Strelka 1.8 32-bit27820.00.00.0 100.0
5Strelka 1.0b 32-bit27390.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345
1Strelka 5.1 64-bit3142 18047600
2Strelka 5.5 64-bit3140180 000
3Strelka 2.0 B 64-bit28564760 17563
4Strelka 1.8 32-bit278200175 2108
5Strelka 1.0b 32-bit273900632108 
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
#NameElo12345
1Strelka 5.1 64-bit3142 2.524.50.00.0
2Strelka 5.5 64-bit31402.5 0.00.00.0
3Strelka 2.0 B 64-bit285624.50.0 5.62.8
4Strelka 1.8 32-bit27820.00.05.6 63.8
5Strelka 1.0b 32-bit27390.00.02.863.8 
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 36 common opponents

Custom engine selection
NameEloStrelka
5.1
64-bit
Strelka
5.5
64-bit
Strelka
2.0
B
64-bit
Strelka
1.8
32-bit
Strelka
1.0b
32-bit
Komodo 5 64-bit314555%
22/40
50%
50.5/100
   
Komodo 4 64-bit312748%
24.5/51
 14%
7/50
  
Naum 4.2 64-bit 4CPU309948%
9.5/20
59%
59/100
   
Naum 4.2 64-bit298782%
24.5/30
 22%
7/32
  
Rybka 2.3.2a 64-bit2977  22%
7/32
12%
2/16
 
Spark 1.0 64-bit292680%
25.5/32
 41%
13/32
  
Spike 1.4 Leiden292089%
27.5/31
 44%
14/32
  
Hannibal 1.1 64-bit289580%
25.5/32
 45%
14.5/32
  
Protector 1.4.0 64-bit288990%
26/29
 33%
10.5/32
  
Loop M1-T 64-bit 4CPU2881   31%
29.5/96
24%
23.5/99
Rybka 1.2 32-bit2864   32%
20/63
28%
18/64
Rybka 1.1 32-bit2853   32%
20.5/64
31%
20/64
Rybka 1.0 64-bit2852   36%
23/64
23%
14.5/64
Zappa Mexico II 64-bit284588%
25.5/29
 45%
14.5/32
  
Rybka 1.0 32-bit2791   41%
26.5/64
39%
25/64
Toga II 1.2.1a 32-bit2762   50%
16/32
56%
18/32
Spike 1.2 Turin2731   61%
19.5/32
55%
17.5/32
Naum 2.0 32-bit2699  79%
24.5/31
56%
18/32
73%
23.5/32
Naum 2.0 64-bit2693   59%
19/32
64%
20.5/32
Alaric 7072662  64%
20.5/32
67%
21.5/32
 
NameEloStrelka
5.1
64-bit
Strelka
5.5
64-bit
Strelka
2.0
B
64-bit
Strelka
1.8
32-bit
Strelka
1.0b
32-bit
Glaurung 1.2.1 32-bit2657   56%
17.5/31
69%
22/32
Glaurung 1.2.1 64-bit2655   67%
19.5/29
66%
21/32
Scorpio 1.912640   73%
23.5/32
59%
19/32
Alaric 7042617   70%
22.5/32
73%
23.5/32
Delfi 5.12615   77%
24.5/32
71%
22/31
Frenzee 3.0 64-bit2614   70%
22.5/32
64%
20.5/32
Slow Chess Blitz WV2.12614   73%
23.5/32
62%
20/32
WildCat 72606   78%
25/32
70%
22.5/32
Pharaon 3.5.12603   83%
26.5/32
67%
21.5/32
Zappa 1.1 64-bit2603   77%
24.5/32
80%
25.5/32
List 5.122591   75%
24/32
77%
24/31
Ruffian 1.0.52585   75%
24/32
78%
25/32
Pseudo 0.7c2575   77%
24.5/32
73%
23.5/32
SOS 5.12571   92%
29.5/32
72%
23/32
Aristarch 4.502567   81%
26/32
80%
25.5/32
Petir 4.392566   84%
27/32
72%
23/32
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 July 11, 2020