CCRL Blitz
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 2'526'227 games
played by 3'011 programs

White wins: 970'445 (38.4%)
Black wins: 776'698 (30.7%)
Draws: 779'084 (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 May 15, 2021 with Bayeselo based on 2'526'227 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+
1Caligula 0.9g2598+15−1555.6%−40.227.8%1523 
89.0%
 Caligula 0.9f2555+66−6654.7%−24.432.0%75
92.0%
 Caligula 0.82507+17−1758.7%−61.923.5%1257
100.0%
 Caligula 0.7b2421+16−1648.3%+13.623.7%1416
 

Results matrix

Custom engine selection
#NameElo1234
1Caligula 0.9g2598    
2Caligula 0.9f2555    
3Caligula 0.82507    
4Caligula 0.7b2421    
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
1Caligula 0.9g2598 89.0100.0100.0
2Caligula 0.9f255511.0 92.0100.0
3Caligula 0.825070.08.0 100.0
4Caligula 0.7b24210.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Caligula 0.9g2598 22515129
2Caligula 0.9f2555225 321
3Caligula 0.82507153 1388
4Caligula 0.7b2421129211388 
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
1Caligula 0.9g2598 14.10.54.4
2Caligula 0.9f255514.1 0.21.4
3Caligula 0.825070.50.2 51.9
4Caligula 0.7b24214.41.451.9 
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 44 common opponents

Custom engine selection
NameEloCaligula
0.9g
Caligula
0.9f
Caligula
0.8
Caligula
0.7b
Karballo 1.8 64-bit273350%
0.5/1
  50%
0.5/1
Brutus 8.05 64-bit256152%
32/61
50%
2.5/5
  
nanoSzachy 4.1 64-bit256061%
19.5/32
40%
2/5
  
Dorky 4.8 64-bit254844%
14/32
80%
4/5
  
Ghost 3.1 64-bit254569%
22/32
50%
2.5/5
 100%
1/1
Rebel Century254356%
18/32
50%
2.5/5
  
Betsabe II 1.84254262%
20/32
30%
1.5/5
  
Pupsi2 0.09254156%
18/32
 0%
0/1
 
Ufim 8.02254159%
37.5/64
30%
1.5/5
  
AnMon 5.75253853%
34/64
70%
3.5/5
  
Hermann 2.8 64-bit253256%
35/63
70%
3.5/5
  
JikChess 0.02 64-bit252359%
38/64
30%
1.5/5
  
Orion 0.5 64-bit251455%
35.5/64
50%
2.5/5
 31%
14/45
Green Light Chess 3.01.2.2250648%
16/33
70%
3.5/5
100%
1/1
 
Little Goliath Evolution 3.12250372%
23/32
60%
3/5
  
Yace 0.99.87250364%
40.5/63
80%
4/5
 100%
1/1
Trace 1.37a250077%
47.5/62
60%
3/5
  
Gothmog 1.0b102484  0%
0/1
0%
0/1
BBChess 1.3b 64-bit2481  42%
13/31
44%
12/27
Xpdnt 0910072473  50%
0.5/1
53%
15.5/29
NameEloCaligula
0.9g
Caligula
0.9f
Caligula
0.8
Caligula
0.7b
Mephisto Gideon Professional2472  53%
17/32
53%
17/32
Cerebro 3.03d2471  73%
23.5/32
41%
13/32
Kiwi 0.6d 64-bit2469  44%
14/32
43%
11.5/27
Anatoli 0.35k2455  62%
20/32
45%
26.5/59
LittleThought 1.052 64-bit2454  62%
20/32
39%
13/33
Matacz 1.42445  72%
23/32
33%
1/3
Lozza 1.18 64-bit2442  65%
21.5/33
0%
0/1
SpiderChess 0706032440  58%
22/38
56%
18/32
MadChess 2.2 64-bit2439  61%
19.5/32
39%
12.5/32
King of Kings 2.562433100%
1/1
 54%
21/39
33%
1/3
LambChop 10.992433  55%
21.5/39
50%
15.5/31
Nemeton 1.82433  61%
19.5/32
47%
15/32
Abrok 5.02432  59%
22.5/38
31%
10/32
Gromit 3.8.22432  74%
29.5/40
49%
28.5/58
Eeyore 1.52 64-bit2428  59%
23/39
58%
18.5/32
Shallow 2 rev8 64-bit2425100%
1/1
 58%
23/40
55%
31.5/57
Gaia 3.5 64-bit2424  57%
21.5/38
56%
15/27
Nejmet 3.072424  58%
22.5/39
50%
16/32
Quark 2.352424  58%
23/40
41%
13/32
Dragon 4.6241850%
0.5/1
 72%
23/32
48%
13/27
NameEloCaligula
0.9g
Caligula
0.9f
Caligula
0.8
Caligula
0.7b
RomiChess P3n 64-bit2413  61%
19.5/32
51%
26.5/52
Teki 1 64-bit2406  0%
0/1
50%
25/50
TJchess 1.3 64-bit23990%
0/1
  59%
16/27
Terra 3.42369  0%
0/1
50%
1/2
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 15, 2021