CCRL Blitz
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 2'464'260 games
played by 2'932 programs

White wins: 947'616 (38.5%)
Black wins: 759'359 (30.8%)
Draws: 757'285 (30.7%)
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 February 20, 2021 with Bayeselo based on 2'464'260 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+−
1Lozza 1.18 64-bit2441+15−1449.1%+7.228.3%1684 
99.8%
 Lozza 1.17a 64-bit2408+18−1850.0%−1.828.5%1100
100.0%
 Lozza 1.16 64-bit2360+14−1451.4%−10.724.7%1784
100.0%
 Lozza 1.13 64-bit2219+19−1853.5%−26.425.0%1053
 

Results matrix

Custom engine selection
#NameElo1
Lozza
2
Lozza
3
Lozza
4
Lozza
1Lozza 1.18 64-bit2441    
2Lozza 1.17a 64-bit2408    
3Lozza 1.16 64-bit2360    
4Lozza 1.13 64-bit2219    
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
#NameElo1
Loz
2
Loz
3
Loz
4
Loz
1Lozza 1.18 64-bit2441 99.8100.0100.0
2Lozza 1.17a 64-bit24080.2 100.0100.0
3Lozza 1.16 64-bit23600.00.0 100.0
4Lozza 1.13 64-bit22190.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1
Loz
2
Loz
3
Loz
4
Loz
1Lozza 1.18 64-bit2441 99675118
2Lozza 1.17a 64-bit2408996 9499
3Lozza 1.16 64-bit2360751949 396
4Lozza 1.13 64-bit2219189396 
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
#NameElo1
Loz
2
Loz
3
Loz
4
Loz
1Lozza 1.18 64-bit2441 35.821.70.7
2Lozza 1.17a 64-bit240835.8 32.90.4
3Lozza 1.16 64-bit236021.732.9 14.0
4Lozza 1.13 64-bit22190.70.414.0 
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 63 common opponents

Custom engine selection
NameEloLozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Yace 0.99.87250346%
13/28		 0%
0/1		 
CyberPagno 3.0 64-bit249643%
12/28		 37%
15.5/42		 
Kiwi 0.6d 64-bit24700%
0/1		 50%
0.5/1		 
Xpdnt 091007246950%
0.5/1		50%
0.5/1		  
Matacz 1.42445100%
1/1		0%
0/1		0%
0/1		 
Ares 1.005.2 64-bit244053%
31.5/59		47%
14/30		  
SpiderChess 070603243961%
16.5/27		 39%
12.5/32		 
MadChess 2.2 64-bit243748%
15.5/32		47%
15/32		  
King of Kings 2.56243346%
12.5/27		 31%
10/32		 
LambChop 10.99243344%
14/32		56%
18/32		31%
16/52		 
Abrok 5.0243254%
32.5/60		45%
14/31		  
Eeyore 1.52 64-bit242975%
1.5/2		45%
13.5/30		42%
12.5/30		 
Shallow 2 rev8 64-bit2425100%
1/1		 33%
7/21		 
Gaia 3.5 64-bit242458%
18.5/32		48%
30/62		36%
18.5/52		 
Nejmet 3.07242450%
16/32		41%
13/32		30%
15.5/51		 
Quark 2.352424 42%
12.5/30		54%
28/52		 
Caligula 0.7b2421100%
1/1		100%
1/1		100%
1/1		 
Hussar 0.4242133%
11/33		38%
12.5/33		33%
11/33		 
Orion 0.4 64-bit241844%
14/32		48%
15.5/32		  
Dragon 4.6241753%
17.5/33		39%
24/62		44%
14/32		 
NameEloLozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Simplex 0.9.8 64-bit240765%
21.5/33		52%
32/61		39%
12.5/32		 
Ifrit m1.8 64-bit240650%
17/34		48%
15.5/32		33%
10.5/32		 
OliThink 5.3.2 64-bit2403100%
1/1		 53%
17.5/33		 
TJchess 1.3 64-bit239950%
0.5/1		 58%
18.5/32		 
KnightDreamer 3.323950%
0/1		0%
0/1		  
Bearded N44.5 64-bit2393 62%
18.5/30		50%
0.5/1		 
Leila 0.53h2387100%
1/1		100%
1/1		  
Teki 2 64-bit238760%
17.5/29		73%
20.5/28		  
Diablo 0.5.12385 54%
33.5/62		0%
0/1		 
Capture R012382 72%
23/32		47%
14.5/31		 
Gosu 0.162382100%
1/1		 50%
0.5/1		 
Myrddin 0.87 64-bit23810%
0/1		 0%
0/1		 
Comet B682378100%
1/1		0%
0/1		100%
1/1		 
Der Bringer 1.92374 100%
1/1		100%
1/1		 
Patzer 3.802373100%
1/1		55%
30.5/55		  
Giraffe 20161023 64-bit2370 65%
19.5/30		46%
12/26		 
Terra 3.42369 48%
15.5/32		50%
10/20		 
The Crazy Bishop 00522364 25%
0.5/2		48%
9.5/20		 
Horizon 4.4234250%
1/2		 0%
0/1		 
TJchess 1.1 64-bit233764%
20.5/32		53%
17/32		  
NameEloLozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Sorgenkind 0.42327 100%
1/1		61%
11.5/19		 
Sage 3.532325 50%
1/2		57%
12/21		 
Chezzz 1.0.32322100%
1/1		 72%
11.5/16		 
Jazz 840 64-bit2320  50%
1/2		26%
8/31
Barbarossa 0.4.0 64-bit2317100%
1/1		 66%
25/38		 
Aice 0.99.2231675%
1.5/2		50%
0.5/1		41%
6.5/16		 
KnightX 1.92229650%
0.5/1		 100%
1/1		 
Esc 1.162267 100%
1/1		68%
22.5/33		 
Fischerle 0.9.65 64-bit2265  64%
20.5/32		47%
14/30
Zeus 1.292261100%
1/1		 47%
15/32		 
Anechka 0.082234  70%
23/33		52%
16.5/32
Ant 2006-F2230  79%
26/33		55%
16.5/30
AliChess 4.252227  66%
21/32		58%
18/31
Adam 3.32220 100%
1/1		72%
23/32		58%
18.5/32
OBender 3.2.x2220  78%
25/32		47%
15/32
Chispa 4.0.32206  25%
0.5/2		58%
18.5/32
Beowulf 2.4a 32-bit220450%
1/2		  45%
14.5/32
Uralochka 1.1b2189100%
1/1		  44%
14/32
Mango Paola Ajedrez 1.02187 50%
0.5/1		 61%
19.5/32
Atak 6.82184100%
1/1		  62%
20/32
NameEloLozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Madeleine 0.22183  50%
0.5/1		55%
17.5/32
Lime 66214375%
1.5/2		  40%
12.5/31
Nesik 0.7.0 alpha2133 100%
1/1		 69%
22/32
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 February 20, 2021