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 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 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+
1Neurone XXIII1215+31−3147.4%+31.512.2%492 
99.8%
 Neurone XXVII1153+28−1748.3%−3.024.8%524
74.3%
 Neurone XXVI1139+32−536.0%+111.716.6%469
100.0%
 Neurone XVIII796+344−33720.5%+251.613.7%241
 

Results matrix

Custom engine selection
#NameElo1234
1Neurone XXIII1215    
2Neurone XXVII1153    
3Neurone XXVI1139    
4Neurone XVIII796    
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
1Neurone XXIII1215 99.8100.0100.0
2Neurone XXVII11530.2 74.3100.0
3Neurone XXVI11390.025.7 100.0
4Neurone XVIII7960.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Neurone XXIII1215 42369168
2Neurone XXVII115342 14861
3Neurone XXVI1139369148 201
4Neurone XVIII79616861201 
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
1Neurone XXIII1215 4.138.422.9
2Neurone XXVII11534.1 14.98.0
3Neurone XXVI113938.414.9 28.3
4Neurone XVIII79622.98.028.3 
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 23 common opponents

Custom engine selection
NameEloNeurone
XXIII
Neurone
XXVII
Neurone
XXVI
Neurone
XVIII
Tony's Chess 0.02140828%
5.5/20
 0%
0/1
 
Nanook 0.17139212%
2.5/20
 10%
5/50
0%
0/1
Skaki 1.2313900%
0/7
 10%
5/50
0%
0/1
Ozwald 0.431348  21%
9.5/45
0%
0/1
KillerQueen 2.0b31284 26%
7.5/29
38%
17.5/46
 
Project Invincible 2.101284 25%
8/32
0%
0/1
 
CeruleanJS 0.1.1 Blizzard 64-bit1283 31%
10/32
50%
0.5/1
 
T.rex 1.91281 39%
12/31
 0%
0/1
QuTeChess 1.0.1t r3127250%
9.5/19
 34%
13.5/40
0%
0/1
Tikov 0.6.3123972%
14.5/20
 47%
23/49
0%
0/1
Pierre 1.7122858%
11.5/20
 22%
10/46
0%
0/1
Toledo Nanochess Jan/11/20101221 27%
8.5/32
25%
0.5/2
0%
0/1
DarkFusch 0.91189 35%
11/31
 50%
0.5/1
Cassandre 0.24114046%
6.5/14
45%
14.5/32
43%
12.5/29
5%
1/20
Blitzter 2.0107545%
9/20
 78%
32/41
28%
5/18
Frank 0.58107070%
14/20
  0%
0/2
Talvmenni 0.1106250%
4.5/9
 50%
0.5/1
0%
0/1
Iota 1.0 32-bit103676%
14.5/19
  33%
4/12
Safrad 2.1.35.2101021  69%
33/48
21%
4.5/21
GIUChess 1.0 beta2993  75%
1.5/2
12%
2.5/20
NameEloNeurone
XXIII
Neurone
XXVII
Neurone
XXVI
Neurone
XVIII
Youk 1.0.5965  100%
1/1
15%
3/20
NSVChess v0.1492789%
16/18
 100%
1/1
30%
6/20
Hippocampe 0.4.186284%
16/19
  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



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