CCRL Blitz
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 2'344'796 games
played by 2'763 programs

White wins: 903'383 (38.5%)
Black wins: 726'503 (31.0%)
Draws: 714'910 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 10 engines!
10 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 August 1, 2020 with Bayeselo based on 2'344'796 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+
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423+14−1454.0%−25.156.1%1454 
100.0%
 SlowChess Blitz Classic 2.2 64-bit3351+17−1749.7%+6.054.4%1005
100.0%
 SlowChess Blitz Classic 2.1 64-bit3263+16−1649.6%+3.057.7%1150
99.6%
 SlowChess Blitz Classic 2.0 64-bit3231+18−1851.4%−11.648.9%885
100.0%
 SlowChess Blitz Classic 1.9 64-bit3152+18−1848.9%+6.648.5%958
99.6%
 SlowChess Blitz Classic 1.8 64-bit3117+19−1946.2%+23.940.8%925
100.0%
 SlowChess Blitz Classic 1.6 64-bit3023+18−1852.5%−16.941.0%986
99.7%
 SlowChess Blitz Classic 1.5 64-bit2988+19−1949.7%+3.035.6%937
95.1%
 SlowChess Blitz Classic 1.4 64-bit2964+21−2170.3%−142.732.8%854
100.0%
 Slow Chess Blitz WV2.12615+6−646.0%+30.329.8%12525
 

Results matrix

Custom engine selection
#NameElo12345678910
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423          
2SlowChess Blitz Classic 2.2 64-bit3351          
3SlowChess Blitz Classic 2.1 64-bit3263          
4SlowChess Blitz Classic 2.0 64-bit3231          
5SlowChess Blitz Classic 1.9 64-bit3152          
6SlowChess Blitz Classic 1.8 64-bit3117          
7SlowChess Blitz Classic 1.6 64-bit3023          
8SlowChess Blitz Classic 1.5 64-bit2988          
9SlowChess Blitz Classic 1.4 64-bit2964          
10Slow Chess Blitz WV2.12615          
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
#NameElo12345678910
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423 100.0100.0100.0100.0100.0100.0100.0100.0100.0
2SlowChess Blitz Classic 2.2 64-bit33510.0 100.0100.0100.0100.0100.0100.0100.0100.0
3SlowChess Blitz Classic 2.1 64-bit32630.00.0 99.6100.0100.0100.0100.0100.0100.0
4SlowChess Blitz Classic 2.0 64-bit32310.00.00.4 100.0100.0100.0100.0100.0100.0
5SlowChess Blitz Classic 1.9 64-bit31520.00.00.00.0 99.6100.0100.0100.0100.0
6SlowChess Blitz Classic 1.8 64-bit31170.00.00.00.00.4 100.0100.0100.0100.0
7SlowChess Blitz Classic 1.6 64-bit30230.00.00.00.00.00.0 99.7100.0100.0
8SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.00.00.00.3 95.1100.0
9SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.04.9 100.0
10Slow Chess Blitz WV2.126150.00.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678910
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423 000000000
2SlowChess Blitz Classic 2.2 64-bit33510 12776944793810000
3SlowChess Blitz Classic 2.1 64-bit326301277 149110529530000
4SlowChess Blitz Classic 2.0 64-bit323106941491 11438960000
5SlowChess Blitz Classic 1.9 64-bit3152047910521143 159563844803
6SlowChess Blitz Classic 1.8 64-bit311703819538961595 76651203
7SlowChess Blitz Classic 1.6 64-bit30230000638766 149906
8SlowChess Blitz Classic 1.5 64-bit298800004485121499 03
9SlowChess Blitz Classic 1.4 64-bit296400000000 598
10Slow Chess Blitz WV2.1261500003363598 
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
#NameElo12345678910
1SlowChess Blitz Classic 2.2 64-bit 4CPU3423 0.00.00.00.00.00.00.00.00.0
2SlowChess Blitz Classic 2.2 64-bit33510.0 59.336.724.419.70.00.00.00.0
3SlowChess Blitz Classic 2.1 64-bit32630.059.3 73.349.945.90.00.00.00.0
4SlowChess Blitz Classic 2.0 64-bit32310.036.773.3 62.049.50.00.00.00.0
5SlowChess Blitz Classic 1.9 64-bit31520.024.449.962.0 84.732.823.60.00.0
6SlowChess Blitz Classic 1.8 64-bit31170.019.745.949.584.7 40.127.50.00.0
7SlowChess Blitz Classic 1.6 64-bit30230.00.00.00.032.840.1 78.00.00.0
8SlowChess Blitz Classic 1.5 64-bit29880.00.00.00.023.627.578.0 0.00.0
9SlowChess Blitz Classic 1.4 64-bit29640.00.00.00.00.00.00.00.0 4.5
10Slow Chess Blitz WV2.126150.00.00.00.00.00.00.00.04.5 
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 75 common opponents

Custom engine selection
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Komodo 14 MCTS 64-bit3366 52%
33.5/64
32%
20.5/64
       
Xiphos 0.6 64-bit3341 53%
34/64
31%
20/64
       
Fire 7.1 64-bit3336 55%
35.5/64
42%
27/64
       
RofChade 2.3 64-bit3308 57%
36.5/64
46%
29.5/64
       
Booot 6.4 64-bit3293 57%
36.5/64
49%
31/63
38%
24/64
      
RofChade 2.202 64-bit3279   47%
23.5/50
25%
8/32
     
Schooner 2.2 64-bit3279 60%
38.5/64
48%
31/64
41%
20.5/50
36%
11.5/32
     
Laser 1.7 64-bit3275 59%
37/63
45%
28.5/64
39%
19/49
36%
11.5/32
19%
6/31
    
Fritz 17 64-bit3272 65%
41.5/64
47%
30/64
38%
19/50
34%
11/32
22%
7/32
    
Shredder 13 64-bit3272 69%
44/64
46%
29/63
43%
21.5/50
33%
10.5/32
33%
10.5/32
    
Defenchess 2.2 64-bit3271 70%
44.5/64
51%
32.5/64
40%
19/48
38%
12/32
25%
8/32
    
Booot 6.3.1 64-bit3256   44%
22/50
47%
14.5/31
26%
8/31
    
Fizbo 2 64-bit3249  43%
27.5/64
51%
25.5/50
36%
11.5/32
22%
7/32
    
RubiChess 1.7.1 64-bit3244  52%
33/64
44%
22/50
      
Andscacs 0.95 64-bit3229  59%
38/64
52%
26/50
38%
12/32
33%
10.5/32
    
RubiChess 1.6.1.1 64-bit3209   51%
25.5/50
38%
12/32
     
Arasan 22.0 64-bit3182  66%
42.5/64
62%
31/50
50%
16/32
38%
12/32
    
Pedone 2.0 64-bit3176  63%
40.5/64
67%
33.5/50
44%
14/32
39%
12.5/32
    
Chiron 4 64-bit3164  67%
43/64
65%
32.5/50
55%
17.5/32
48%
15/31
    
Critter 1.6a 64-bit3158  75%
48/64
64%
32/50
47%
14.5/31
44%
14/32
    
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Vajolet2 2.8 64-bit3138    53%
17/32
44%
14/32
    
NirvanaChess 2.4 64-bit3132    47%
15/32
39%
12.5/32
    
Wasp 3.75 64-bit3127    52%
16.5/32
52%
16.5/32
 27%
8.5/32
  
Nemorino 5.00 64-bit3118    61%
19.5/32
59%
19/32
    
Texel 1.07 64-bit3113    48%
15.5/32
52%
16.5/32
42%
13.5/32
   
iCE 4.0 64-bit3112    52%
16.5/32
41%
13/32
31%
10/32
   
Hannibal 1.7 64-bit3111    48%
15.5/32
56%
18/32
42%
13/31
  0%
0/1
Rybka 4.1 64-bit3110    52%
16.5/32
56%
18/32
25%
8/32
   
Protector 1.9.0 64-bit3087    59%
19/32
47%
15/32
42%
13.5/32
28%
9/32
  
Senpai 2.0 64-bit3087    55%
17.5/32
56%
18/32
44%
14/32
36%
11.5/32
  
chess22k 1.13 64-bit3085     53%
17/32
30%
9.5/32
30%
9.5/32
  
Demolito 2019-10-08 64-bit3079     64%
20.5/32
41%
13/32
   
SmarThink 1.98 64-bit3044    62%
20/32
62%
20/32
41%
13/32
45%
14.5/32
  
Naum 4.6 64-bit3032    69%
22/32
72%
23/32
50%
16/32
47%
15/32
  
Deuterium 2019.2.37.73 64-bit3022    67%
21.5/32
70%
22.5/32
42%
13/31
50%
16/32
  
Hakkapeliitta TCEC v2 64-bit3020    73%
23.5/32
59%
19/32
59%
19/32
52%
16.5/32
  
Pirarucu 3.0.7 64-bit3020      50%
16/32
48%
15.5/32
  
Rodent III 0.287 64-bit3005      52%
16/31
42%
13.5/32
  
ChessBrainVB 3.742999      55%
17.5/32
45%
14.5/32
  
Hiarcs 142985      59%
19/32
30%
9.5/32
  
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
Winter 0.7 64-bit2978      50%
15.5/31
41%
13/32
  
Amoeba 3.0 64-bit2975      55%
17/31
50%
16/32
  
Crafty 25.3 64-bit2965      72%
23/32
53%
17/32
  
Bobcat 8.0 64-bit2960      52%
16.5/32
50%
16/32
  
Marvin 3.4.0 64-bit2958      65%
20/31
61%
19.5/32
  
Godel 6.0 64-bit2948      66%
21/32
61%
19.5/32
  
Cheng 4.39 64-bit2943      66%
21/32
52%
16.5/32
  
Spark 1.0 64-bit2927      66%
21/32
58%
18.5/32
  
Dirty CUCUMBER 64-bit2926      73%
23.5/32
58%
18.5/32
  
Igel 2.0.0 64-bit2925      48%
15.5/32
73%
23.5/32
  
Atlas 3.91 64-bit2923      69%
22/32
59%
19/32
  
Spike 1.4 Leiden2920      77%
24.5/32
64%
69/108
 50%
0.5/1
Quazar 0.4 64-bit2901        56%
18/32
11%
3.5/32
Zurichess Neuchatel 64-bit2901        61%
19.5/32
100%
1/1
Daydreamer 2.0.0-pre2 64-bit2892        61%
19.5/32
50%
0.5/1
Bright 0.5c2771        94%
17/18
18%
5.5/31
Twisted Logic 20090922 64-bit2771        83%
15/18
28%
9/32
Frenzee 3.5.19 64-bit2770        83%
15/18
23%
7.5/32
tomitankChess 3.0 64-bit2765        69%
12.5/18
20%
5/25
Jonny 4.002763        72%
13/18
30%
9/30
NameEloSlowChess
Blitz
Classic
2.2
64-bit
4CPU
SlowChess
Blitz
Classic
2.2
64-bit
SlowChess
Blitz
Classic
2.1
64-bit
SlowChess
Blitz
Classic
2.0
64-bit
SlowChess
Blitz
Classic
1.9
64-bit
SlowChess
Blitz
Classic
1.8
64-bit
SlowChess
Blitz
Classic
1.6
64-bit
SlowChess
Blitz
Classic
1.5
64-bit
SlowChess
Blitz
Classic
1.4
64-bit
Slow
Chess
Blitz
WV2.1
BugChess2 1.9 64-bit2760        78%
14/18
27%
8.5/31
Chronos 1.9.9 64-bit2739        78%
14/18
30%
9.5/32
Shield 2.1 64-bit2737        81%
14.5/18
0%
0/1
Chess Tiger 2007.12713        75%
13.5/18
37%
40/109
Colossus 2008b2641        100%
4/4
48%
38/79
Cyrano 0.6b17 64-bit2640        88%
3.5/4
43%
27.5/64
Rodin 8.02639        75%
3/4
49%
16.5/34
Sjakk 2.2 64-bit2638        75%
3/4
53%
17/32
E.T. Chess 13.01.082634        100%
4/4
52%
16.5/32
WyldChess 1.51 64-bit2629        100%
4/4
50%
16/32
Orion 0.6 64-bit2624        100%
4/4
50%
16/32
WildCat 82624        75%
3/4
49%
33/67
Movei 00.8.438 (10 10 10)2622        75%
3/4
54%
21.5/40
Sloppy 0.2.2 64-bit2616        100%
4/4
43%
15/35
Rotor 0.82612        100%
4/4
67%
21.5/32
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



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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:
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  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 August 1, 2020