CCRL Blitz
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 2'515'858 games
played by 2'996 programs

White wins: 966'865 (38.4%)
Black wins: 774'272 (30.8%)
Draws: 774'721 (30.8%)
White score: 53.8%

Custom engine selection

Comparing 5 engines!
5 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 May 1, 2021 with Bayeselo based on 2'515'858 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+−
1Lozza 2.0 64-bit2574+18−1950.8%−5.432.0%983 
100.0%
 Lozza 1.18 64-bit2441+15−1549.1%+7.028.3%1684
99.8%
 Lozza 1.17a 64-bit2408+18−1850.0%−1.628.5%1100
100.0%
 Lozza 1.16 64-bit2359+14−1451.4%−10.024.7%1784
100.0%
 Lozza 1.13 64-bit2218+19−1853.5%−25.825.0%1053
 

Results matrix

Custom engine selection
#NameElo1
Lozza
2
Lozza
3
Lozza
4
Lozza
5
Lozza
1Lozza 2.0 64-bit2574     
2Lozza 1.18 64-bit2441     
3Lozza 1.17a 64-bit2408     
4Lozza 1.16 64-bit2359     
5Lozza 1.13 64-bit2218     
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
5
Loz
1Lozza 2.0 64-bit2574 100.0100.0100.0100.0
2Lozza 1.18 64-bit24410.0 99.8100.0100.0
3Lozza 1.17a 64-bit24080.00.2 100.0100.0
4Lozza 1.16 64-bit23590.00.00.0 100.0
5Lozza 1.13 64-bit22180.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1
Loz
2
Loz
3
Loz
4
Loz
5
Loz
1Lozza 2.0 64-bit2574 138000
2Lozza 1.18 64-bit2441138 99675118
3Lozza 1.17a 64-bit24080996 9499
4Lozza 1.16 64-bit23590751949 396
5Lozza 1.13 64-bit22180189396 
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
5
Loz
1Lozza 2.0 64-bit2574 5.20.00.00.0
2Lozza 1.18 64-bit24415.2 35.821.70.7
3Lozza 1.17a 64-bit24080.035.8 32.90.4
4Lozza 1.16 64-bit23590.021.732.9 14.0
5Lozza 1.13 64-bit22180.00.70.414.0 
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 71 common opponents

Custom engine selection
NameEloLozza
2.0
64-bit		Lozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Glass 2.0 64-bit261441%
13/32		0%
0/1		   
Jellyfish 1.1 64-bit261338%
12/32		0%
0/1		   
NoraGrace 2.0 64-bit261045%
14.5/32		0%
0/1		   
Pharaon 3.5.1260442%
13.5/32		0%
0/1		   
Floyd 0.9 64-bit258833%
10.5/32		0%
0/1		   
Ghost 3.1 64-bit254564%
20.5/32		29%
8.5/29		   
AnMon 5.75253859%
19/32		41%
11/27		   
JikChess 0.02 64-bit252361%
19.5/32		0%
0/1		   
Yace 0.99.872502 46%
13/28		 0%
0/1		 
CyberPagno 3.0 64-bit2494 43%
12/28		 37%
15.5/42		 
Xpdnt 0910072472 50%
0.5/1		50%
0.5/1		  
Kiwi 0.6d 64-bit2469 0%
0/1		 50%
0.5/1		 
Matacz 1.42445 100%
1/1		0%
0/1		0%
0/1		 
Ares 1.005.2 64-bit2440 53%
31.5/59		47%
14/30		  
SpiderChess 0706032439 61%
16.5/27		 39%
12.5/32		 
MadChess 2.2 64-bit2438 48%
15.5/32		47%
15/32		  
Abrok 5.02432 54%
32.5/60		45%
14/31		  
King of Kings 2.562432 46%
12.5/27		 31%
10/32		 
LambChop 10.992432 44%
14/32		56%
18/32		31%
16/52		 
Eeyore 1.52 64-bit2428 75%
1.5/2		45%
13.5/30		42%
12.5/30		 
NameEloLozza
2.0
64-bit		Lozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Gaia 3.5 64-bit2424 58%
18.5/32		48%
30/62		36%
18.5/52		 
Nejmet 3.072424 50%
16/32		41%
13/32		30%
15.5/51		 
Shallow 2 rev8 64-bit2424 100%
1/1		 33%
7/21		 
Quark 2.352423  42%
12.5/30		54%
28/52		 
Hussar 0.42422 33%
11/33		38%
12.5/33		33%
11/33		 
Caligula 0.7b2421 100%
1/1		100%
1/1		100%
1/1		 
Orion 0.4 64-bit2418 44%
14/32		48%
15.5/32		  
Dragon 4.62417 53%
17.5/33		39%
24/62		44%
14/32		 
Simplex 0.9.8 64-bit2407 65%
21.5/33		52%
32/61		39%
12.5/32		 
Ifrit m1.8 64-bit2405 50%
17/34		48%
15.5/32		33%
10.5/32		 
OliThink 5.3.2 64-bit2403 100%
1/1		 53%
17.5/33		 
TJchess 1.3 64-bit2399 50%
0.5/1		 58%
18.5/32		 
Bearded N44.5 64-bit2393  62%
18.5/30		50%
0.5/1		 
KnightDreamer 3.32393 0%
0/1		0%
0/1		  
Teki 2 64-bit2388 60%
17.5/29		73%
20.5/28		  
Leila 0.53h2387 100%
1/1		100%
1/1		  
Diablo 0.5.12384  54%
33.5/62		0%
0/1		 
Capture R012382  72%
23/32		47%
14.5/31		 
Gosu 0.162381 100%
1/1		 50%
0.5/1		 
Myrddin 0.87 64-bit2380 0%
0/1		 0%
0/1		 
NameEloLozza
2.0
64-bit		Lozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
Comet B682377 100%
1/1		0%
0/1		100%
1/1		 
Der Bringer 1.92373  100%
1/1		100%
1/1		 
Patzer 3.802373 100%
1/1		55%
30.5/55		  
Giraffe 20161023 64-bit2371  65%
19.5/30		46%
12/26		 
Terra 3.42368  48%
15.5/32		50%
10/20		 
The Crazy Bishop 00522364  25%
0.5/2		48%
9.5/20		 
Horizon 4.42343 50%
1/2		 0%
0/1		 
TJchess 1.1 64-bit2337 64%
20.5/32		53%
17/32		  
Sorgenkind 0.42327  100%
1/1		61%
11.5/19		 
Sage 3.532324  50%
1/2		57%
12/21		 
Chezzz 1.0.32321 100%
1/1		 72%
11.5/16		 
Jazz 840 64-bit2319   50%
1/2		26%
8/31
Barbarossa 0.4.0 64-bit2317 100%
1/1		 66%
25/38		 
Aice 0.99.22316 75%
1.5/2		50%
0.5/1		41%
6.5/16		 
KnightX 1.922296 50%
0.5/1		 100%
1/1		 
Esc 1.162266  100%
1/1		68%
22.5/33		 
Fischerle 0.9.65 64-bit2265   64%
20.5/32		47%
14/30
Zeus 1.292261 100%
1/1		 47%
15/32		 
Anechka 0.082233   70%
23/33		52%
16.5/32
Ant 2006-F2230   79%
26/33		55%
16.5/30
NameEloLozza
2.0
64-bit		Lozza
1.18
64-bit		Lozza
1.17a
64-bit		Lozza
1.16
64-bit		Lozza
1.13
64-bit
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-bit2204 50%
1/2		  45%
14.5/32
Uralochka 1.1b2188 100%
1/1		  44%
14/32
Mango Paola Ajedrez 1.02186  50%
0.5/1		 61%
19.5/32
Atak 6.82184 100%
1/1		  62%
20/32
Madeleine 0.22183   50%
0.5/1		55%
17.5/32
Lime 662142 75%
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 May 1, 2021