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 6 engines!
6 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+
1Alfil 15.7 64-bit3031+12−1245.4%+35.337.2%2681 
74.6%
 Alfil 15.8 64-bit 4CPU3023+20−2043.8%+40.239.5%795
99.7%
 Alfil 15.8 64-bit2982+20−2048.5%+9.039.3%777
100.0%
 Alfil 13.1 64-bit2642+14−1445.9%+29.228.8%1806
98.0%
 Alfil 8.1.1 Optimized2625+9−947.6%+18.828.0%5091
89.0%
 Alfil 12 MT2616+13−1351.3%−8.729.6%2152
 

Results matrix

Custom engine selection
#NameElo123456
1Alfil 15.7 64-bit3031      
2Alfil 15.8 64-bit 4CPU3023      
3Alfil 15.8 64-bit2982      
4Alfil 13.1 64-bit2642      
5Alfil 8.1.1 Optimized2625      
6Alfil 12 MT2616      
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
#NameElo123456
1Alfil 15.7 64-bit3031 74.6100.0100.0100.0100.0
2Alfil 15.8 64-bit 4CPU302325.4 99.7100.0100.0100.0
3Alfil 15.8 64-bit29820.00.3 100.0100.0100.0
4Alfil 13.1 64-bit26420.00.00.0 98.099.7
5Alfil 8.1.1 Optimized26250.00.00.02.0 89.0
6Alfil 12 MT26160.00.00.00.311.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456
1Alfil 15.7 64-bit3031 070401870
2Alfil 15.8 64-bit 4CPU30230 79000
3Alfil 15.8 64-bit298270479 000
4Alfil 13.1 64-bit2642000 6811082
5Alfil 8.1.1 Optimized262518700681 2314
6Alfil 12 MT261600010822314 
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
#NameElo123456
1Alfil 15.7 64-bit3031 0.020.40.02.40.0
2Alfil 15.8 64-bit 4CPU30230.0 5.00.00.00.0
3Alfil 15.8 64-bit298220.45.0 0.00.00.0
4Alfil 13.1 64-bit26420.00.00.0 9.927.3
5Alfil 8.1.1 Optimized26252.40.00.09.9 31.9
6Alfil 12 MT26160.00.00.027.331.9 
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 55 common opponents

Custom engine selection
NameEloAlfil
15.7
64-bit
Alfil
15.8
64-bit
4CPU
Alfil
15.8
64-bit
Alfil
13.1
64-bit
Alfil
8.1.1
Optimized
Alfil
12
MT
Protector 1.8.0 64-bit306647%
15/32
 41%
20.5/50
   
Texel 1.05 64-bit305338%
12/32
 39%
19.5/50
   
Hannibal 1.5 64-bit304950%
16/32
 42%
21/50
   
Chiron 2 64-bit303952%
16.5/32
 53%
26.5/50
   
NirvanaChess 2.1c 64-bit303542%
13.5/32
 37%
18.5/50
   
Naum 4.6 64-bit303250%
16/32
 43%
21.5/50
   
Andscacs 0.82 64-bit303053%
16.5/31
 43%
21.5/50
   
Hakkapeliitta 3.0 64-bit2985 54%
24.5/45
50%
17/34
   
Fizbo 1.5 64-bit298355%
17.5/32
 47%
15.5/33
   
Cheng 4.39 64-bit294367%
21.5/32
 59%
20/34
   
Bright 0.5c277188%
17.5/20
   28%
8/29
 
Twisted Logic 20090922 64-bit2771100%
8/8
   29%
9/31
 
Jonny 4.00276388%
17.5/20
   22%
6.5/30
 
BugChess2 1.9 64-bit276078%
25/32
   28%
9/32
 
Chess Tiger 2007.12713   36%
11.5/32
 33%
10.5/32
Bobcat 3.25 64-bit2712   20%
6.5/32
 28%
9/32
Cheng4 0.35a 64-bit2711   44%
14/32
 33%
10/30
RedQueen 1.1.4 64-bit2689   44%
14/32
 42%
13.5/32
Gaviota 0.84 64-bit2687    48%
15.5/32
31%
10/32
Delfi 5.42683   38%
12/32
36%
27/76
36%
11.5/32
NameEloAlfil
15.7
64-bit
Alfil
15.8
64-bit
4CPU
Alfil
15.8
64-bit
Alfil
13.1
64-bit
Alfil
8.1.1
Optimized
Alfil
12
MT
RedQueen 1.0.0 64-bit2675    38%
12/32
36%
11.5/32
Vajolet 2.482667   56%
18/32
 48%
15/31
Alaric 7072663   47%
15/32
42%
13.5/32
41%
13/32
Nebula 2.0 64-bit2653   42%
13.5/32
 47%
14.5/31
Colossus 2008b2641   52%
16.5/32
53%
41.5/78
48%
15.5/32
Dirty 24Apr2011 64-bit2638    58%
18/31
47%
15/32
E.T. Chess 13.01.082634   58%
18.5/32
59%
19/32
58%
18.5/32
Gandalf 62627   44%
14/32
 56%
18/32
WildCat 82624   56%
17.5/31
54%
35.5/66
42%
13.5/32
Movei 00.8.438 (10 10 10)2622   56%
18/32
42%
13.5/32
52%
16.5/32
ProDeo 1.712617    58%
18/31
42%
13.5/32
Sloppy 0.2.2 64-bit2616   50%
16/32
34%
11/32
59%
19/32
Slow Chess Blitz WV2.12615   53%
17/32
53%
23.5/44
39%
12.5/32
Rotor 0.82612   44%
14/32
 52%
16/31
Deuterium 10.01.27.2132610    64%
39.5/62
47%
15/32
Ruffian 2.1.02609   55%
17.5/32
53%
17/32
61%
19.5/32
Amyan 1.722604    62%
26/42
45%
14.5/32
Pharaon 3.5.12603    56%
18/32
52%
16.5/32
Cheng3 1.05 64-bit2602    55%
17.5/32
56%
18/32
GarboChess 2.10 64-bit2598    50%
16/32
55%
17.5/32
NameEloAlfil
15.7
64-bit
Alfil
15.8
64-bit
4CPU
Alfil
15.8
64-bit
Alfil
13.1
64-bit
Alfil
8.1.1
Optimized
Alfil
12
MT
GNU Chess 5.07.173b 64-bit2597    53%
17/32
56%
18/32
Arasan 13.2 64-bit2582    66%
21/32
80%
25.5/32
Francesca MAD 0.192581    62%
20/32
58%
18.5/32
Hamsters 0.7.12579    60%
38/63
62%
20/32
Rotor 0.62573    47%
15/32
62%
20/32
Brutus 8.05 64-bit2559    68%
19/28
81%
25/31
Glass 1.7 64-bit2556    62%
20/32
52%
16.5/32
Petir 4.9999992556    52%
16.5/32
66%
21/32
The Baron 2.23 64-bit2555    57%
37.5/66
69%
22/32
AnMon 5.752539    53%
17.5/33
61%
19.5/32
Hermann 2.8 64-bit2532    58%
18.5/32
52%
16.5/32
Pepito 1.59.2 64-bit2522    56%
18/32
62%
20/32
DanaSah 4.242506    73%
23.5/32
64%
20.5/32
Green Light Chess 3.01.2.22505    55%
16.5/30
58%
18/31
Yace 0.99.872504    72%
23/32
62%
20/32
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 August 1, 2020