CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Custom engine selection

Comparing 8 engines!
8 selected engines played 0 games with each other

CCRL 40/15 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 15 minutes on an Intel i7-4770k.
Computed on January 24, 2021 with Bayeselo based on 1'209'412 games

Color legend: Commercial, Free, Open source, Private.
Bold font - tested with 200 games or more. Normal font - less than 200 games.

RankNameRatingScoreAverage
Opponent
DrawsGamesLOS
Elo+
 KnightX 2.5 64-bit2638+80−7858.7%−55.732.7%52 
77.7%
1KnightX 2.4 64-bit2605+29−2953.4%−24.334.0%406
99.9%
 KnightX 1.98 64-bit2542+27−2749.1%+7.530.5%482
81.5%
 KnightX 2.3 64-bit2525+26−2648.7%+10.931.8%512
98.4%
 KnightX 1.97a 64-bit2485+27−2751.3%−12.125.8%523
100.0%
 KnightX 1.94 64-bit2352+22−2249.5%+2.525.9%744
98.1%
 KnightX 1.93 64-bit2321+20−2051.6%−12.820.3%930
61.4%
 KnightX 1.922317+19−1848.6%+10.027.9%1046
 

Results matrix

Custom engine selection
#NameElo12345678
1KnightX 2.5 64-bit2638        
2KnightX 2.4 64-bit2605        
3KnightX 1.98 64-bit2542        
4KnightX 2.3 64-bit2525        
5KnightX 1.97a 64-bit2485        
6KnightX 1.94 64-bit2352        
7KnightX 1.93 64-bit2321        
8KnightX 1.922317        
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
#NameElo12345678
1KnightX 2.5 64-bit2638 77.798.899.6100.0100.0100.0100.0
2KnightX 2.4 64-bit260522.3 99.9100.0100.0100.0100.0100.0
3KnightX 1.98 64-bit25421.20.1 81.599.9100.0100.0100.0
4KnightX 2.3 64-bit25250.40.018.5 98.4100.0100.0100.0
5KnightX 1.97a 64-bit24850.00.00.11.6 100.0100.0100.0
6KnightX 1.94 64-bit23520.00.00.00.00.0 98.199.2
7KnightX 1.93 64-bit23210.00.00.00.00.01.9 61.4
8KnightX 1.9223170.00.00.00.00.00.838.6 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo12345678
1KnightX 2.5 64-bit2638 846844681200
2KnightX 2.4 64-bit260584 3402861603600
3KnightX 1.98 64-bit254268340 4202501228413
4KnightX 2.3 64-bit252544286420 16412042
5KnightX 1.97a 64-bit248568160250164 72242170
6KnightX 1.94 64-bit235212361221272 514111
7KnightX 1.93 64-bit232100840242514 381
8KnightX 1.922317001342170111381 
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
#NameElo12345678
1KnightX 2.5 64-bit2638 18.312.77.811.81.50.00.0
2KnightX 2.4 64-bit260518.3 38.331.217.23.10.00.0
3KnightX 1.98 64-bit254212.738.3 42.324.910.05.90.9
4KnightX 2.3 64-bit25257.831.242.3 15.81.00.02.7
5KnightX 1.97a 64-bit248511.817.224.915.8 5.716.710.8
6KnightX 1.94 64-bit23521.53.110.01.05.7 30.76.2
7KnightX 1.93 64-bit23210.00.05.90.016.730.7 19.3
8KnightX 1.9223170.00.00.92.710.86.219.3 
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 91 common opponents

Custom engine selection
NameEloKnightX
2.5
64-bit
KnightX
2.4
64-bit
KnightX
1.98
64-bit
KnightX
2.3
64-bit
KnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
RedQueen 1.1.3 64-bit2676  12%
1.5/12
31%
5.5/18
    
Ktulu 7.52664 36%
5/14
25%
3/12
     
K2 0.952663 25%
3.5/14
33%
4/12
 25%
1.5/6
   
Drosophila 1.6 64-bit2660  25%
2.5/10
53%
9.5/18
    
Mr Bob 0.8.0 64-bit2650  31%
5.5/18
12%
0.5/4
    
Ktulu 7.12638   31%
5.5/18
38%
4.5/12
   
Gandalf 62635  42%
5/12
 21%
2.5/12
   
Nawito 1906263062%
2.5/4
   38%
1.5/4
   
WildCat 72628  21%
2.5/12
 30%
3/10
   
Betsabe II 2020260688%
3.5/4
62%
2.5/4
      
Aristarch 4.502596  38%
4.5/12
 25%
3/12
   
Petir 4.392591  46%
5.5/12
39%
7/18
    
Galjoen 0.40 64-bit259025%
1/4
62%
2.5/4
  25%
1/4
   
Donna 4.1 64-bit2587 79%
11/14
92%
11/12
55%
12/22
    
SOS 5.12564 50%
7/14
50%
6/12
 25%
3/12
   
Jumbo 0.7.0 64-bit256150%
2/4
12%
0.5/4
58%
11.5/20
75%
3/4
39%
5.5/14
   
Mr Bob 0.7.1 64-bit2558  50%
10/20
25%
1/4
    
Detroid 1.0.1 64-bit2557100%
4/4
58%
10.5/18
59%
9.5/16
44%
8/18
12%
0.5/4
   
Velvet 1.0.0 64-bit2556 57%
12.5/22
 50%
10/20
    
Ghost 3.1 64-bit2551 75%
3/4
 50%
2/4
69%
5.5/8
   
NameEloKnightX
2.5
64-bit
KnightX
2.4
64-bit
KnightX
1.98
64-bit
KnightX
2.3
64-bit
KnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
RookieMonster 1.8.1 64-bit255175%
3/4
62%
5/8
      
FrankWalter 2.4.0 64-bit254050%
2/4
62%
2.5/4
50%
2/4
 38%
4.5/12
21%
7/34
  
Raven 1.10 64-bit253588%
3.5/4
38%
1.5/4
45%
4.5/10
     
Axolotl 1.9 64-bit252875%
3/4
61%
11/18
69%
11/16
43%
9.5/22
42%
5/12
   
CyberPagno 3.0 64-bit2514  58%
7/12
53%
9.5/18
    
Tao 5.62502 71%
10/14
71%
8.5/12
     
Pupsi2 0.092500 54%
7.5/14
71%
8.5/12
50%
9/18
    
MadChess 2.2 64-bit2494 50%
2/4
   22%
7.5/34
  
Delphil 3.0 64-bit2492   53%
9.5/18
45%
4.5/10
   
Trace 1.362485 71%
10/14
42%
5/12
     
Drosophila 1.5.1 64-bit2479  38%
1.5/4
  31%
10.5/34
  
SpiderChess 0706032477  75%
9/12
58%
10.5/18
    
Lozza 1.18 64-bit2475  50%
2/4
 25%
1/4
 40%
4/10
 
WyldChess 1.2 64-bit2470    50%
4/8
 15%
1.5/10
 
Bumblebee 1.0 64-bit2467 61%
8.5/14
 56%
10/18
75%
6/8
   
Nemeton 1.81246562%
2.5/4
38%
1.5/4
69%
5.5/8
66%
14.5/22
38%
1.5/4
   
Carballo 1.22464  58%
7/12
47%
8.5/18
    
Mephisto Gideon Professional2446  79%
9.5/12
 50%
4/8
   
Arasan 10.12443    50%
4/8
 35%
3.5/10
38%
1.5/4
Bearded N44.5 64-bit2440  42%
5/12
   21%
3/14
 
NameEloKnightX
2.5
64-bit
KnightX
2.4
64-bit
KnightX
1.98
64-bit
KnightX
2.3
64-bit
KnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Taltos rev118 64-bit2439   58%
10.5/18
   50%
3/6
Tunguska 1.1 64-bit2439 88%
3.5/4
44%
3.5/8
  42%
16/38
  
King of Kings 2.562438 71%
10/14
42%
5/12
53%
9.5/18
    
Snitch 1.6.2 32-bit2438  71%
8.5/12
  37%
12.5/34
30%
3/10
100%
2/2
NoC 4.20 64-bit2426 75%
3/4
38%
1.5/4
62%
2.5/4
    
Ares 1.005.2.1 64-bit2421   64%
11.5/18
   44%
3.5/8
PostModernist 10162418    50%
4/8
  25%
0.5/2
RomiChess P3n 64-bit2415     43%
16.5/38
61%
19.5/32
56%
5/9
Dragon 4.62406      40%
4/10
25%
1/4
Simplex 0.9.8 64-bit2401     38%
13/34
20%
2/10
 
Patzer 3.802397    69%
5.5/8
  25%
1/4
Popochin 4.1 64-bit2397     25%
1/4
 50%
6/12
Myrddin 0.87 64-bit2396  75%
3/4
   42%
13.5/32
83%
2.5/3
Amateur 2.822395    62%
5/8
  36%
2.5/7
Ares GB 64-bit2392  50%
2/4
  12%
0.5/4
39%
15/38
 
Zevra 2.1.2 r248 64-bit2391  100%
4/4
88%
3.5/4
 35%
3.5/10
  
Googleplex Starthinker 1.6 64-bit2387  69%
5.5/8
 25%
1/4
65%
6.5/10
  
Comet B682384      50%
5/10
46%
5.5/12
Thor's Hammer 2.28 32-bit2383    62%
5/8
 30%
3/10
67%
2/3
Zevra 2.1.1 r216 64-bit2381     25%
1/4
38%
1.5/4
 
NameEloKnightX
2.5
64-bit
KnightX
2.4
64-bit
KnightX
1.98
64-bit
KnightX
2.3
64-bit
KnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Jumbo 0.5.3 64-bit2371      40%
4/10
17%
1/6
Waxman 20172371     62%
2.5/4
 38%
5/13
Isa 2.0.64 64-bit2364    56%
4.5/8
46%
15.5/34
44%
14/32
42%
5/12
Plisk 0.2.7d 64-bit2363    81%
6.5/8
  33%
2/6
Flux 2.2.12358     38%
13/34
 50%
1/2
Aice 0.99.22338    44%
3.5/8
  25%
1.5/6
Gibbon 2.60a 64-bit2337    88%
7/8
 45%
4.5/10
50%
1/2
FireFly 2.7.2 64-bit2329     12%
0.5/4
 35%
3.5/10
Chezzz 1.0.32323    75%
6/8
 40%
12/30
75%
3/4
Googleplex Starthinker 1.4 64-bit2321     54%
20.5/38
46%
16.5/36
 
EveAnn 1.722320      39%
11/28
56%
20/36
EveAnn 1.71a2319      62%
2.5/4
50%
1/2
Ant 2006-F2302    75%
7.5/10
 48%
14.5/30
69%
5.5/8
Natwarlal 0.142299      55%
5.5/10
42%
5/12
Zeus 1.292299      55%
5.5/10
56%
4.5/8
CT800 1.34 64-bit2297     66%
22.5/34
60%
21.5/36
 
Invictus r228 64-bit2292      53%
16/30
75%
4.5/6
Chaturanga 2.4.32290    60%
6/10
 55%
5.5/10
75%
1.5/2
Matilde 2008 64-bit2290    85%
8.5/10
 55%
5.5/10
100%
2/2
AliChess 4.252283      65%
19.5/30
50%
1/2
NameEloKnightX
2.5
64-bit
KnightX
2.4
64-bit
KnightX
1.98
64-bit
KnightX
2.3
64-bit
KnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Barbarossa 0.5.0 64-bit2277     47%
16/34
61%
23/38
 
Chispa 4.0.32274      57%
17/30
75%
1.5/2
Ayito 0.2.9942268    90%
9/10
 55%
5.5/10
70%
7/10
Beowulf 2.4a 64-bit2250      57%
17/30
75%
1.5/2
RamJet 0.132236    90%
9/10
 45%
4.5/10
 
SpaceDog 0.97.7 64-bit2230     81%
27.5/34
0%
0/2
 
Joker2 0.7.7 64-bit2215      75%
1.5/2
44%
3.5/8
Madeleine 0.22214     81%
27.5/34
70%
21/30
 
Baislicka 1.0 64-bit2205      25%
0.5/2
45%
4.5/10
Dorpsgek Eve's Temptation 64-bit2200     78%
26.5/34
50%
1/2
 
Clever Girl r185 64-bit2171     100%
4/4
100%
2/2
 
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%

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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):

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Reference rating list:
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Created in 2005-2013 by CCRL team
Last games added on January 24, 2021