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 9 engines!
9 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+
1Eubos 2.2 64-bit1801+20−2049.8%+0.616.9%949 
100.0%
 Eubos 2.0 64-bit1636+18−1857.6%−57.220.9%1165
100.0%
 Eubos 1.1.6 64-bit1514+24−2350.6%−3.723.9%649
95.1%
 Eubos 1.0.7 64-bit1456+63−6253.8%−29.220.7%92
59.7%
 Eubos 1.0.8 64-bit1447+27−2748.7%+10.914.9%509
54.3%
 Eubos 1.1.2 64-bit1445+33−3346.4%+26.314.3%349
85.3%
 Eubos 1.0.6 64-bit1423+24−2450.0%+2.615.5%698
99.8%
 Eubos 1.1.0 64-bit1373+24−2438.0%+94.115.9%694
100.0%
 Eubos 1.0.2 64-bit1212+28−2839.7%+78.118.3%498
 

Results matrix

Custom engine selection
#NameElo123456789
1Eubos 2.2 64-bit1801         
2Eubos 2.0 64-bit1636         
3Eubos 1.1.6 64-bit1514         
4Eubos 1.0.7 64-bit1456         
5Eubos 1.0.8 64-bit1447         
6Eubos 1.1.2 64-bit1445         
7Eubos 1.0.6 64-bit1423         
8Eubos 1.1.0 64-bit1373         
9Eubos 1.0.2 64-bit1212         
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
#NameElo123456789
1Eubos 2.2 64-bit1801 100.0100.0100.0100.0100.0100.0100.0100.0
2Eubos 2.0 64-bit16360.0 100.0100.0100.0100.0100.0100.0100.0
3Eubos 1.1.6 64-bit15140.00.0 95.1100.0100.0100.0100.0100.0
4Eubos 1.0.7 64-bit14560.00.04.9 59.761.882.899.1100.0
5Eubos 1.0.8 64-bit14470.00.00.040.3 54.390.5100.0100.0
6Eubos 1.1.2 64-bit14450.00.00.038.245.7 85.3100.0100.0
7Eubos 1.0.6 64-bit14230.00.00.017.29.514.7 99.8100.0
8Eubos 1.1.0 64-bit13730.00.00.00.90.00.00.2 100.0
9Eubos 1.0.2 64-bit12120.00.00.00.00.00.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo123456789
1Eubos 2.2 64-bit1801 00000000
2Eubos 2.0 64-bit16360 53606204101160
3Eubos 1.1.6 64-bit15140536 03806985744770
4Eubos 1.0.7 64-bit1456000 60001120
5Eubos 1.0.8 64-bit144706238060 25325052862
6Eubos 1.1.2 64-bit1445006980253 2554740
7Eubos 1.0.6 64-bit142304105740250255 383623
8Eubos 1.1.0 64-bit13730116477112528474383 96
9Eubos 1.0.2 64-bit1212000062062396 
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
#NameElo123456789
1Eubos 2.2 64-bit1801 0.00.00.00.00.00.00.00.0
2Eubos 2.0 64-bit16360.0 29.50.03.70.022.06.20.0
3Eubos 1.1.6 64-bit15140.029.5 0.032.869.942.635.50.0
4Eubos 1.0.7 64-bit14560.00.00.0 10.00.00.014.20.0
5Eubos 1.0.8 64-bit14470.03.732.810.0 29.520.743.96.2
6Eubos 1.1.2 64-bit14450.00.069.90.029.5 24.445.40.0
7Eubos 1.0.6 64-bit14230.022.042.60.020.724.4 27.552.1
8Eubos 1.1.0 64-bit13730.06.235.514.243.945.427.5 8.1
9Eubos 1.0.2 64-bit12120.00.00.00.06.20.052.18.1 
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 34 common opponents

Custom engine selection
NameEloEubos
2.2
64-bit
Eubos
2.0
64-bit
Eubos
1.1.6
64-bit
Eubos
1.0.7
64-bit
Eubos
1.0.8
64-bit
Eubos
1.1.2
64-bit
Eubos
1.0.6
64-bit
Eubos
1.1.0
64-bit
Eubos
1.0.2
64-bit
Darky 0.5d 64-bit1626 56%
18/32
42%
13/31
      
Zotron 4.4.61593 48%
15.5/32
45%
14.5/32
   28%
9/32
  
Violet 4.0 64-bit1586 45%
13/29
53%
16.5/31
   16%
5/32
  
Dreamer 0.3.0 64-bit1584 55%
52/94
30%
9.5/32
   19%
6/31
  
Needle 0.5311580 54%
50.5/94
42%
13.5/32
   33%
10.5/32
  
VanillaChess 2.6g 64-bit1578 32%
9.5/30
47%
14.5/31
 33%
10.5/32
    
Cicada 0.1 64-bit1571 58%
51/88
50%
16/32
   23%
7.5/32
  
Trappist r36 64-bit1537 64%
34.5/54
     31%
19/62
 
Yawce 0.161501  53%
17/32
  27%
8.5/32
 41%
26/64
 
Piranha 0.51499  45%
14.5/32
  47%
14.5/31
45%
14.5/32
38%
24/63
 
Tarrasch Toy Engine 0.9061492  42%
13.5/32
  63%
19.5/31
   
Pentagon 1.21487  44%
14/32
 48%
15.5/32
48%
15.5/32
 27%
17.5/66
 
Supra 27.0 64-bit1485  69%
22/32
  61%
19.5/32
58%
18.5/32
  
Pwned 1.3 64-bit1477  15%
4.5/30
  25%
8/32
   
Wukong 2020-09-16 64-bit1475  56%
18/32
 50%
15.5/31
    
Blikskottel 0.81459  66%
21/32
 45%
14.5/32
47%
15/32
38%
12/32
34%
21.5/64
 
Numpty Recharged 64-bit1459  53%
17/32
  62%
20/32
56%
18/32
  
St Andersen 1.311452  66%
20.5/31
  33%
10.5/32
   
Nero 6.11447    40%
12.5/31
  37%
24.5/66
 
TheLightning 2.0.41444   53%
31/59
58%
11.5/20
  44%
23.5/53
 
NameEloEubos
2.2
64-bit
Eubos
2.0
64-bit
Eubos
1.1.6
64-bit
Eubos
1.0.7
64-bit
Eubos
1.0.8
64-bit
Eubos
1.1.2
64-bit
Eubos
1.0.6
64-bit
Eubos
1.1.0
64-bit
Eubos
1.0.2
64-bit
Chessika 2.21 64-bit1442  56%
18/32
 38%
11.5/30
37%
11.5/31
 31%
19.5/62
 
Irina 0.15 64-bit1432  72%
23/32
 55%
17.5/32
61%
19.5/32
   
Goyaz 0.0071424    35%
10.5/30
 44%
14/32
 12%
4/32
Hactar 0.9.0 64-bit1422    68%
21/31
 62%
20/32
59%
38.5/65
 
MiniMardi 1.31414      39%
12.5/32
40%
26/65
9%
3/32
Sabrina 3.1.27 64-bit1396    63%
19/30
 50%
15.5/31
  
MiniChessAI 1.191363      56%
18/32
 40%
12/30
Virutor Chess 1.1.21353      69%
22/32
 40%
12/30
Ozwald 0.431350      44%
14/32
 12%
4/32
CeruleanJS 0.1.1 Blizzard 64-bit1285      75%
22.5/30
 44%
11.5/26
Project Invincible 2.101285      81%
26/32
 53%
16/30
KillerQueen 2.0b31284      65%
20/31
 38%
12/32
Ronja 0.8.2 64-bit1278      75%
24/32
 42%
13.5/32
Chess 1.3.1 by David Cimbalista1268      77%
24/31
 27%
8.5/31
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