CCRL Blitz
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 2'506'279 games
played by 2'984 programs

White wins: 963'662 (38.4%)
Black wins: 771'889 (30.8%)
Draws: 770'728 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 4 engines!
4 selected engines played 40 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 17, 2021 with Bayeselo based on 2'506'279 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+
1Alibaba 1.38 64-bit1667+21−2152.6%−23.515.1%882 
100.0%
 Alibaba 1.381499+23−2344.4%+43.916.6%832
82.7%
 Alibaba 1.40 64-bit1457+82−8250.0%+2.78.8%57
72.6%
 Alibaba 1.401432+19−1939.9%+81.319.0%1062
 

Results matrix

Custom engine selection
#NameElo1234
1Alibaba 1.38 64-bit1667    
2Alibaba 1.381499   28.5 − 11.5
+26−9=5
+105
3Alibaba 1.40 64-bit1457    
4Alibaba 1.401432 11.5 − 28.5
+9−26=5
−105
  
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
1Alibaba 1.38 64-bit1667 100.0100.0100.0
2Alibaba 1.3814990.0 82.7100.0
3Alibaba 1.40 64-bit14570.017.3 72.6
4Alibaba 1.4014320.00.027.4 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Alibaba 1.38 64-bit1667 280171298
2Alibaba 1.381499280 26647
3Alibaba 1.40 64-bit145717126 66
4Alibaba 1.40143229864766 
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
1Alibaba 1.38 64-bit1667 16.318.215.3
2Alibaba 1.38149916.3 2.934.2
3Alibaba 1.40 64-bit145718.22.9 5.9
4Alibaba 1.40143215.334.25.9 
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 28 common opponents

Custom engine selection
NameEloAlibaba
1.38
64-bit
Alibaba
1.38
Alibaba
1.40
64-bit
Alibaba
1.40
Laurifer 1.017717%
1.5/22
0%
0/3
  
Pulsar 2009-9b176645%
9.5/21
30%
1.5/5
  
Robin 0.983176140%
10.5/26
38%
1.5/4
  
Mint 2.3175938%
8/21
33%
2/6
  
Elf 1.3.0174044%
10.5/24
0%
0/3
  
Vicki 0.041a173938%
9.5/25
7%
0.5/7
  
Adamant 1.7173238%
9/24
0%
0/4
  
SEE 0.6.9172635%
8/23
25%
1/4
  
TSCP 1.81172348%
12.5/26
50%
2/4
  
Zoidberg 0.1171834%
6.5/19
0%
0/6
  
Aldebaran 0.7.0170839%
9/23
35%
15/43
 24%
9.5/40
Monochrome1619 32%
13/40
 28%
11/40
Zotron 4.4.61592 50%
2/4
 29%
9.5/33
Needle 0.5311579 37%
16/43
 32%
9.5/30
Yawce 0.16150075%
16.5/22
 70%
3.5/5
 
Piranha 0.5149878%
18/23
50%
22/44
17%
1/6
47%
14.5/31
Supra 27.0 64-bit148481%
21/26
 25%
1/4
 
Pwned 1.3 64-bit147653%
10/19
 25%
1.5/6
45%
18/40
Blikskottel 0.8145880%
16/20
 50%
2/4
44%
17.5/40
Numpty Recharged 64-bit145784%
18.5/22
67%
2/3
60%
3/5
 
NameEloAlibaba
1.38
64-bit
Alibaba
1.38
Alibaba
1.40
64-bit
Alibaba
1.40
St Andersen 1.31145167%
12/18
 70%
3.5/5
 
Eubos 1.0.8 64-bit144686%
21.5/25
 67%
4/6
 
Chessika 2.21 64-bit144187%
20/23
 50%
2/4
 
Irina 0.15 64-bit143188%
17.5/20
 67%
4/6
 
Hactar 0.9.0 64-bit142196%
23/24
 50%
3/6
42%
17/40
JChess 1.01408 42%
16.5/39
 42%
17/40
Sabrina 3.1.27 64-bit1395 61%
24.5/40
 54%
21.5/40
Nanook 0.171392 59%
26.5/45
 54%
21.5/40
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 17, 2021