CCRL Blitz
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 2'502'969 games
played by 2'977 programs

White wins: 962'290 (38.4%)
Black wins: 770'705 (30.8%)
Draws: 769'974 (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 April 10, 2021 with Bayeselo based on 2'502'969 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-bit1802+20−2050.4%−4.317.1%917 
100.0%
 Eubos 2.0 64-bit1635+18−1857.6%−57.220.9%1165
100.0%
 Eubos 1.1.6 64-bit1513+24−2450.6%−3.623.9%649
95.1%
 Eubos 1.0.7 64-bit1455+63−6253.8%−29.220.7%92
59.9%
 Eubos 1.0.8 64-bit1446+27−2748.7%+10.914.9%509
54.2%
 Eubos 1.1.2 64-bit1444+33−3346.4%+26.514.3%349
85.6%
 Eubos 1.0.6 64-bit1421+24−2450.0%+3.415.5%698
99.8%
 Eubos 1.1.0 64-bit1372+24−2438.0%+94.315.9%694
100.0%
 Eubos 1.0.2 64-bit1211+28−2839.7%+77.818.3%498
 

Results matrix

Custom engine selection
#NameElo123456789
1Eubos 2.2 64-bit1802         
2Eubos 2.0 64-bit1635         
3Eubos 1.1.6 64-bit1513         
4Eubos 1.0.7 64-bit1455         
5Eubos 1.0.8 64-bit1446         
6Eubos 1.1.2 64-bit1444         
7Eubos 1.0.6 64-bit1421         
8Eubos 1.1.0 64-bit1372         
9Eubos 1.0.2 64-bit1211         
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-bit1802 100.0100.0100.0100.0100.0100.0100.0100.0
2Eubos 2.0 64-bit16350.0 100.0100.0100.0100.0100.0100.0100.0
3Eubos 1.1.6 64-bit15130.00.0 95.1100.0100.0100.0100.0100.0
4Eubos 1.0.7 64-bit14550.00.04.9 59.961.983.199.1100.0
5Eubos 1.0.8 64-bit14460.00.00.040.1 54.290.7100.0100.0
6Eubos 1.1.2 64-bit14440.00.00.038.045.8 85.6100.0100.0
7Eubos 1.0.6 64-bit14210.00.00.016.99.314.4 99.8100.0
8Eubos 1.1.0 64-bit13720.00.00.00.90.00.00.2 100.0
9Eubos 1.0.2 64-bit12110.00.00.00.00.00.00.00.0 
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-bit1802 00000000
2Eubos 2.0 64-bit16350 53606204101160
3Eubos 1.1.6 64-bit15130536 03806985744770
4Eubos 1.0.7 64-bit1455000 60001120
5Eubos 1.0.8 64-bit144606238060 25325052862
6Eubos 1.1.2 64-bit1444006980253 2554740
7Eubos 1.0.6 64-bit142104105740250255 383623
8Eubos 1.1.0 64-bit13720116477112528474383 96
9Eubos 1.0.2 64-bit1211000062062396 
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-bit1802 0.00.00.00.00.00.00.00.0
2Eubos 2.0 64-bit16350.0 29.50.03.70.022.06.20.0
3Eubos 1.1.6 64-bit15130.029.5 0.032.869.942.635.50.0
4Eubos 1.0.7 64-bit14550.00.00.0 10.00.00.014.20.0
5Eubos 1.0.8 64-bit14460.03.732.810.0 29.520.743.96.2
6Eubos 1.1.2 64-bit14440.00.069.90.029.5 24.445.40.0
7Eubos 1.0.6 64-bit14210.022.042.60.020.724.4 27.552.1
8Eubos 1.1.0 64-bit13720.06.235.514.243.945.427.5 8.1
9Eubos 1.0.2 64-bit12110.00.00.00.06.20.052.18.1 
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-bit1625 56%
18/32
42%
13/31
      
Zotron 4.4.61592 48%
15.5/32
45%
14.5/32
   28%
9/32
  
Violet 4.0 64-bit1585 45%
13/29
53%
16.5/31
   16%
5/32
  
Dreamer 0.3.0 64-bit1583 55%
52/94
30%
9.5/32
   19%
6/31
  
Needle 0.5311579 54%
50.5/94
42%
13.5/32
   33%
10.5/32
  
VanillaChess 2.6g 64-bit1577 32%
9.5/30
47%
14.5/31
 33%
10.5/32
    
Cicada 0.1 64-bit1570 58%
51/88
50%
16/32
   23%
7.5/32
  
Trappist r36 64-bit1536 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 0.9061491  42%
13.5/32
  63%
19.5/31
   
Pentagon 1.21486  44%
14/32
 48%
15.5/32
48%
15.5/32
 27%
17.5/66
 
Supra 27.0 64-bit1484  69%
22/32
  61%
19.5/32
58%
18.5/32
  
Pwned 1.3 64-bit1476  15%
4.5/30
  25%
8/32
   
Wukong 2020-09-16 64-bit1474  56%
18/32
 50%
15.5/31
    
Blikskottel 0.81458  66%
21/32
 45%
14.5/32
47%
15/32
38%
12/32
34%
21.5/64
 
Numpty Recharged 64-bit1458  53%
17/32
  62%
20/32
56%
18/32
  
St Andersen 1.311451  66%
20.5/31
  33%
10.5/32
   
Nero 6.11446    40%
12.5/31
  37%
24.5/66
 
TheLightning 2.0.41443   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-bit1441  56%
18/32
 38%
11.5/30
37%
11.5/31
 31%
19.5/62
 
Irina 0.15 64-bit1431  72%
23/32
 55%
17.5/32
61%
19.5/32
   
Goyaz 0.0071423    35%
10.5/30
 44%
14/32
 12%
4/32
Hactar 0.9.0 64-bit1421    68%
21/31
 62%
20/32
59%
38.5/65
 
MiniMardi 1.31413      39%
12.5/32
40%
26/65
9%
3/32
Sabrina 3.1.27 64-bit1395    63%
19/30
 50%
15.5/31
  
MiniChessAI 1.191362      56%
18/32
 40%
12/30
Virutor Chess 1.1.21352      69%
22/32
 40%
12/30
Ozwald 0.431348      44%
14/32
 12%
4/32
KillerQueen 2.0b31284      65%
20/31
 38%
12/32
Project Invincible 2.101284      81%
26/32
 53%
16/30
CeruleanJS 0.1.1 Blizzard 64-bit1283      75%
22.5/30
 44%
11.5/26
Ronja 0.8.2 64-bit1274      75%
24/32
 42%
13.5/32
Chess 1.3.1 by David Cimbalista1264      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 April 10, 2021