CCRL 40/4
Downloads and Statistics
December 14, 2019
Testing summary:
Total: 2'147'837 games
played by 2'515 programs
29208 CPU days (X2 4600+)

White wins: 831'895 (38.7%)
Black wins: 671'656 (31.3%)
Draws: 644'286 (30.0%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other

CCRL 40/4 Rating List — Custom engine selection (Quote)

Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern CPU.
Computed on December 14, 2019 with Bayeselo based on 2'147'837 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+
1Axolotl 1.9 64-bit2509+19−1952.8%−20.525.7%1023 
100.0%
 Axolotl 1.8 64-bit2391+18−1852.7%−21.024.4%1149
100.0%
 Axolotl 1.5 64-bit2138+22−2266.6%−158.719.0%943
100.0%
 Axolotl 1.1 Nov 2018 64-bit1451+23−2342.5%+63.116.9%782
 

Results matrix

Custom engine selection
#NameElo1234
1Axolotl 1.9 64-bit2509    
2Axolotl 1.8 64-bit2391    
3Axolotl 1.5 64-bit2138    
4Axolotl 1.1 Nov 2018 64-bit1451    
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
1Axolotl 1.9 64-bit2509 100.0100.0100.0
2Axolotl 1.8 64-bit23910.0 100.0100.0
3Axolotl 1.5 64-bit21380.00.0 100.0
4Axolotl 1.1 Nov 2018 64-bit14510.00.00.0 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1Axolotl 1.9 64-bit2509 38300
2Axolotl 1.8 64-bit2391383 00
3Axolotl 1.5 64-bit213800 228
4Axolotl 1.1 Nov 2018 64-bit145100228 
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
1Axolotl 1.9 64-bit2509 17.60.00.0
2Axolotl 1.8 64-bit239117.6 0.00.0
3Axolotl 1.5 64-bit21380.00.0 13.2
4Axolotl 1.1 Nov 2018 64-bit14510.00.013.2 
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 23 common opponents

Custom engine selection
NameEloAxolotl
1.9
64-bit
Axolotl
1.8
64-bit
Axolotl
1.5
64-bit
Axolotl
1.1
Nov
2018
64-bit
Flux 2.2.1243047%
15/32
48%
15.5/32
  
Hussar 0.4241961%
19.5/32
34%
11/32
  
Dragon 4.6241769%
22/32
41%
13/32
  
OliThink 5.3.0 64-bit241761%
19.5/32
41%
13/32
  
RomiChess P3n 64-bit241569%
22/32
38%
12/32
  
Simplex 0.9.8 64-bit240969%
22/32
61%
19/31
  
Apollo 1.2.1 64-bit1775  94%
7.5/8
8%
2.5/31
Belzebub 0.671662  81%
6.5/8
25%
8/32
IQ23.0031643  100%
4/4
24%
7.5/31
Vapor 0.01r121643  100%
4/4
27%
8.5/31
ChessRikus 1.4661633  100%
4/4
41%
13/32
Storm 0.61628  88%
3.5/4
31%
10/32
Philemon C1614  100%
4/4
50%
14.5/29
Pulse 1.6.1 64-bit1609  100%
4/4
39%
12/31
Zotron 4.4.61592  100%
4/4
16%
5/32
Violet 4.0 64-bit1591  100%
4/4
27%
8/30
Needle 0.5311581  100%
4/4
30%
9.5/32
Cicada 0.1 64-bit1574  88%
3.5/4
27%
8.5/31
Koedem 1.0 64-bit1501  75%
3/4
42%
12.5/30
Piranha 0.51501  100%
4/4
53%
16.5/31
NameEloAxolotl
1.9
64-bit
Axolotl
1.8
64-bit
Axolotl
1.5
64-bit
Axolotl
1.1
Nov
2018
64-bit
Supra 26.0 pro 64-bit1484  100%
4/4
28%
8/29
Numpty Recharged 64-bit1470  100%
4/4
36%
10.5/29
Hactar 0.9.0 64-bit1449  100%
4/4
48%
13/27
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:
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  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 December 14, 2019