CCRL Blitz
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 2'478'353 games
played by 2'951 programs

White wins: 953'046 (38.5%)
Black wins: 763'412 (30.8%)
Draws: 761'895 (30.7%)
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 March 6, 2021 with Bayeselo based on 2'478'353 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+
1RedQueen 1.1.4 64-bit2690+13−1349.4%+4.429.4%2096 
81.3%
 RedQueen 1.1.97 64-bit2680+16−1644.9%+35.629.4%1309
69.0%
 RedQueen 1.0.0 64-bit2675+15−1557.5%−55.226.9%1756
72.9%
 RedQueen 1.1.98 64-bit2669+12−1243.7%+44.827.3%2803
60.4%
 RedQueen 1.1.3 64-bit2666+18−1849.2%+7.032.0%1074
100.0%
 RedQueen 1.1.1 64-bit2609+15−1543.8%+46.125.3%1686
100.0%
 RedQueen 0.9.5 64-bit2571+18−1854.0%−28.826.4%1146
 

Results matrix

Custom engine selection
#NameElo1234567
1RedQueen 1.1.4 64-bit2690       
2RedQueen 1.1.97 64-bit2680       
3RedQueen 1.0.0 64-bit2675       
4RedQueen 1.1.98 64-bit2669       
5RedQueen 1.1.3 64-bit2666       
6RedQueen 1.1.1 64-bit2609       
7RedQueen 0.9.5 64-bit2571       
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
1RedQueen 1.1.4 64-bit2690 81.393.599.098.2100.0100.0
2RedQueen 1.1.97 64-bit268018.7 69.086.687.4100.0100.0
3RedQueen 1.0.0 64-bit26756.531.0 72.976.9100.0100.0
4RedQueen 1.1.98 64-bit26690.913.427.1 60.4100.0100.0
5RedQueen 1.1.3 64-bit26661.812.623.139.6 100.0100.0
6RedQueen 1.1.1 64-bit26090.00.00.00.00.0 100.0
7RedQueen 0.9.5 64-bit25710.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234567
1RedQueen 1.1.4 64-bit2690 59589750315731513447
2RedQueen 1.1.97 64-bit2680595 3184164143820
3RedQueen 1.0.0 64-bit2675897318 252101212781255
4RedQueen 1.1.98 64-bit2669503416252 30128572
5RedQueen 1.1.3 64-bit266615734141012301 1476432
6RedQueen 1.1.1 64-bit2609151338212782851476 447
7RedQueen 0.9.5 64-bit25714470125572432447 
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
1RedQueen 1.1.4 64-bit2690 17.523.310.349.640.013.8
2RedQueen 1.1.97 64-bit268017.5 10.410.117.412.80.0
3RedQueen 1.0.0 64-bit267523.310.4 5.535.837.143.2
4RedQueen 1.1.98 64-bit266910.310.15.5 7.86.31.8
5RedQueen 1.1.3 64-bit266649.617.435.87.8 53.519.5
6RedQueen 1.1.1 64-bit260940.012.837.16.353.5 15.8
7RedQueen 0.9.5 64-bit257113.80.043.21.819.515.8 
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 86 common opponents

Custom engine selection
NameEloRedQueen
1.1.4
64-bit
RedQueen
1.1.97
64-bit
RedQueen
1.0.0
64-bit
RedQueen
1.1.98
64-bit
RedQueen
1.1.3
64-bit
RedQueen
1.1.1
64-bit
RedQueen
0.9.5
64-bit
Nemo 1.0.1 64-bit285829%
2/7
 20%
6.5/32
    
Scorpio 2.7.5 64-bit2804    25%
2.5/10
11%
1/9
 
Gaviota 0.86 64-bit279928%
11/40
   25%
2.5/10
  
Ktulu 92781 23%
7.5/32
  38%
12/32
32%
10/31
 
Octochess r5190 64-bit278041%
19/46
53%
17/32
     
Bright 0.5c2772 36%
11.5/32
36%
11.5/32
0%
0/2
34%
11/32
  
Twisted Logic 20090922 64-bit277131%
9.5/31
28%
9/32
48%
15.5/32
 23%
7.5/32
  
Frenzee 3.5.19 64-bit276935%
13.5/39
34%
11/32
  42%
13.5/32
42%
13.5/32
 
Pawny 1.2 64-bit2767 25%
8/32
 25%
0.5/2
   
Jonny 4.002764 30%
9.5/32
38%
12/32
50%
0.5/1
 29%
9/31
 
Dirty 20Apr2013 64-bit276127%
8/30
26%
8/31
     
BugChess2 1.9 64-bit2760 41%
13/32
39%
12/31
 23%
7.5/32
38%
12/32
 
Tucano 6.00 64-bit2751 52%
16.5/32
 25%
8/32
   
SmarThink 1.20 64-bit274831%
10/32
   30%
9.5/32
36%
11.5/32
 
Godel 3.4.9 64-bit274252%
15.5/30
45%
14.5/32
 39%
12.5/32
   
ChessBrainVB 3.02274148%
23.5/49
  31%
10/32
   
Chronos 1.9.9 64-bit274028%
9/32
44%
14/32
42%
13/31
31%
10/32
45%
14.5/32
41%
13/32
 
Dirty 05Sep2012 64-bit2740    50%
5/10
0%
0/14
 
Gaviota 0.85.1 64-bit2728  44%
14/32
  40%
17.5/44
 
EXchess 7.03b 64-bit272641%
13/32
   50%
5/10
  
NameEloRedQueen
1.1.4
64-bit
RedQueen
1.1.97
64-bit
RedQueen
1.0.0
64-bit
RedQueen
1.1.98
64-bit
RedQueen
1.1.3
64-bit
RedQueen
1.1.1
64-bit
RedQueen
0.9.5
64-bit
Rhetoric 1.4 64-bit271947%
15/32
41%
13/32
     
Bobcat 3.25 64-bit271361%
27/44
50%
16/32
  55%
5.5/10
42%
13.5/32
 
Chess Tiger 2007.1271345%
14.5/32
  36%
12.5/35
53%
17/32
52%
14.5/28
 
Atlas 3.60 64-bit270346%
11/24
38%
12/32
     
Arasan 15.1 64-bit269356%
18/32
    30%
9.5/32
 
Rodent 1.0 64-bit269348%
15.5/32
   60%
6/10
  
Cheese 1.8 64-bit2690 50%
16/32
 58%
19/33
   
Arminius 2017-01-01 64-bit268950%
15/30
  62%
20.5/33
   
Delfi 5.4268366%
20.5/31
  43%
14.5/34
58%
18.5/32
44%
14/32
 
Deuterium 12.01.30.1070 64-bit2683    60%
6/10
28%
5.5/20
 
Carballo 1.6 64-bit2678 47%
15/32
 50%
16/32
   
Atlas 3.50 64-bit267553%
17/32
   48%
15/31
  
Djinn 1.021 64-bit2674 48%
15.5/32
 45%
15/33
   
Daydreamer 1.75 64-bit2673  41%
13/32
70%
22.5/32
   
Dirty 25Aug2011 64-bit2669  46%
5.5/12
  44%
14/32
 
Alaric 707266358%
18.5/32
 41%
13/32
52%
17/33
45%
14.5/32
39%
12.5/32
 
Cheng3 1.07 64-bit2661    70%
7/10
45%
14.5/32
 
Phalanx XXV2656 55%
17.5/32
 50%
1.5/3
   
Nebula 2.0 64-bit265569%
22/32
  50%
0.5/1
50%
5/10
  
Donna 4.0 64-bit2651 52%
16.5/32
 100%
1/1
   
NameEloRedQueen
1.1.4
64-bit
RedQueen
1.1.97
64-bit
RedQueen
1.0.0
64-bit
RedQueen
1.1.98
64-bit
RedQueen
1.1.3
64-bit
RedQueen
1.1.1
64-bit
RedQueen
0.9.5
64-bit
Colossus 2008b264256%
18/32
 50%
15.5/31
 61%
19.5/32
61%
19.5/32
35%
11/31
Cyrano 0.6b17 64-bit2641   67%
2/3
  44%
14/32
Sjakk 2.2 64-bit263858%
18.5/32
  0%
0/1
   
E.T. Chess 13.01.08263462%
20/32
 53%
17/32
100%
1/1
59%
19/32
42%
13.5/32
 
Gandalf 6262862%
20/32
   56%
17.5/31
48%
15.5/32
 
Alfil 8.1.1 Optimized2626  62%
20/32
   31%
10/32
WildCat 8262567%
21.5/32
 52%
16.5/32
 66%
21/32
44%
14/32
42%
13.5/32
Movei 00.8.438 (10 10 10)262261%
19.5/32
 58%
18/31
 55%
17.5/32
47%
15/32
 
Philou 3.7.1 64-bit261959%
19/32
   50%
5/10
22%
2/9
 
Godel 2.3.7 64-bit261858%
18.5/32
   43%
3/7
59%
19/32
 
ProDeo 1.712618  48%
14.5/30
  62%
20/32
 
Sloppy 0.2.2 64-bit261761%
19.5/32
 48%
15.5/32
50%
1/2
41%
13/32
50%
16/32
58%
18.5/32
Alfil 12 MT261658%
18.5/32
 64%
20.5/32
 55%
17.5/32
45%
14.5/32
 
Slow Chess Blitz WV2.1261567%
21.5/32
 67%
21.5/32
100%
1/1
53%
16.5/31
52%
16.5/32
36%
11.5/32
Glass 2.0 64-bit261453%
17/32
  0%
0/2
55%
5.5/10
  
Rotor 0.8261152%
16.5/32
   55%
5.5/10
  
NoraGrace 2.0 64-bit2610 55%
17.5/32
 100%
1/1
   
Ruffian 2.1.0261059%
19/32
  100%
1/1
53%
17/32
48%
15.5/32
 
Amyan 1.72260556%
18/32
 65%
28.5/44
0%
0/1
69%
22/32
48%
15.5/32
52%
16.5/32
Pharaon 3.5.1260462%
20/32
 58%
18.5/32
100%
1/1
 61%
19.5/32
52%
16.5/32
NameEloRedQueen
1.1.4
64-bit
RedQueen
1.1.97
64-bit
RedQueen
1.0.0
64-bit
RedQueen
1.1.98
64-bit
RedQueen
1.1.3
64-bit
RedQueen
1.1.1
64-bit
RedQueen
0.9.5
64-bit
Zappa 1.1 64-bit2604  53%
16.5/31
   31%
10/32
Cheng3 1.05 64-bit2602  67%
8/12
  48%
15.5/32
 
GarboChess 2.10 64-bit259867%
21.5/32
   52%
16.5/32
45%
14.5/32
 
GNU Chess 5.07.173b 64-bit259761%
19.5/32
 54%
6.5/12
 65%
6.5/10
56%
18/32
 
N2 0.4 64-bit2592  83%
10/12
100%
1/1
  42%
13.5/32
Godel 2.05 64-bit2589  58%
14.5/25
  66%
21/32
 
Arasan 13.2 64-bit2582  54%
6.5/12
  52%
16.5/32
 
Francesca MAD 0.192581  71%
8.5/12
 50%
16/32
  
Hamsters 0.7.1258058%
18.5/32
 69%
22/32
0%
0/1
70%
22.5/32
62%
20/32
50%
16/32
Pseudo 0.7c2575   75%
1.5/2
  47%
15/32
Rotor 0.62573  62%
7.5/12
  56%
18/32
 
SOS 5.12572  70%
22.5/32
   50%
16/32
Aristarch 4.502568  77%
24.5/32
75%
1.5/2
  64%
20.5/32
Brutus 8.05 64-bit2560  67%
21.5/32
100%
1/1
55%
10.5/19
 50%
15.5/31
The Baron 2.23 64-bit2555  66%
20.5/31
   52%
16.5/32
Ktulu 4.22545  72%
21.5/30
   48%
14.5/30
Ufim 8.022541   67%
2/3
  59%
19/32
AnMon 5.752538  84%
27/32
50%
0.5/1
  48%
15.5/32
Pepito 1.59.2 64-bit2521  68%
21/31
75%
1.5/2
   
Green Light Chess 3.01.2.22505  70%
22.5/32
100%
1/1
  52%
16.5/32
NameEloRedQueen
1.1.4
64-bit
RedQueen
1.1.97
64-bit
RedQueen
1.0.0
64-bit
RedQueen
1.1.98
64-bit
RedQueen
1.1.3
64-bit
RedQueen
1.1.1
64-bit
RedQueen
0.9.5
64-bit
Little Goliath Evolution 3.122503  59%
19/32
100%
1/1
  70%
22.5/32
Yace 0.99.872503   0%
0/1
  58%
18.5/32
Bruja 1.9.1 64-bit2491  67%
21.5/32
   73%
23.5/32
Kiwi 0.6d 64-bit2470   75%
1.5/2
  62%
20/32
Abrok 5.02433  84%
27/32
   78%
25/32
Eeyore 1.52 64-bit2429  75%
9/12
100%
1/1
   
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:
  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 March 6, 2021