CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Custom engine selection

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

CCRL 40/40 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 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 1.97a 64-bit2479+52−5158.7%−58.324.6%138 
100.0%
1KnightX 1.94 64-bit2351+22−2249.5%+2.025.9%744
98.2%
 KnightX 1.93 64-bit2319+20−2051.6%−12.720.3%930
59.1%
 KnightX 1.922316+19−1948.6%+10.027.9%1046
 

Results matrix

Custom engine selection
#NameElo1234
1KnightX 1.97a 64-bit2479    
2KnightX 1.94 64-bit2351    
3KnightX 1.93 64-bit2319    
4KnightX 1.922316    
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
1KnightX 1.97a 64-bit2479 100.0100.0100.0
2KnightX 1.94 64-bit23510.0 98.299.1
3KnightX 1.93 64-bit23190.01.8 59.1
4KnightX 1.9223160.00.940.9 
LOS color legend:
0 10 20 30 40 50 60 70 80 90 100

Number of connecting games matrix

Custom engine selection
#NameElo1234
1KnightX 1.97a 64-bit2479 12140124
2KnightX 1.94 64-bit235112 514111
3KnightX 1.93 64-bit2319140514 387
4KnightX 1.922316124111387 
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
1KnightX 1.97a 64-bit2479 1.413.110.5
2KnightX 1.94 64-bit23511.4 30.76.2
3KnightX 1.93 64-bit231913.130.7 19.6
4KnightX 1.92231610.56.219.6 
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 47 common opponents

Custom engine selection
NameEloKnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
WyldChess 1.2 64-bit246650%
3/6
 15%
1.5/10
 
Arasan 10.1244133%
2/6
 35%
3.5/10
38%
1.5/4
Snitch 1.6.2 32-bit2437 37%
12.5/34
30%
3/10
100%
2/2
PostModernist 1016241950%
2/4
  25%
0.5/2
RomiChess P3n 64-bit2415 43%
16.5/38
61%
19.5/32
56%
5/9
Dragon 4.62405  40%
4/10
25%
1/4
Patzer 3.80240088%
3.5/4
  25%
1/4
Simplex 0.9.8 64-bit2399 38%
13/34
20%
2/10
 
Myrddin 0.87 64-bit2395  42%
13.5/32
83%
2.5/3
Popochin 4.1 64-bit2393 25%
1/4
 50%
6/12
Amateur 2.82239138%
1.5/4
  36%
2.5/7
Ares GB 64-bit2385 12%
0.5/4
39%
15/38
 
Comet B682384  50%
5/10
46%
5.5/12
Thor's Hammer 2.28 32-bit237962%
2.5/4
 30%
3/10
67%
2/3
Zevra 2.1.1 r216 64-bit2379 25%
1/4
38%
1.5/4
 
Jumbo 0.5.3 64-bit2370  40%
4/10
17%
1/6
Waxman 20172370 62%
2.5/4
 38%
5/13
Isa 2.0.64 64-bit236175%
3/4
46%
15.5/34
44%
14/32
42%
5/12
Plisk 0.2.7d 64-bit235888%
3.5/4
  33%
2/6
Flux 2.2.12357 38%
13/34
 50%
1/2
NameEloKnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
Aice 0.99.2233825%
1/4
  25%
1.5/6
Gibbon 2.60a 64-bit233688%
3.5/4
 45%
4.5/10
50%
1/2
FireFly 2.7.2 64-bit2329 12%
0.5/4
 35%
3.5/10
Chezzz 1.0.3232175%
3/4
 40%
12/30
75%
3/4
Googleplex Starthinker 1.4 64-bit2320 54%
20.5/38
46%
16.5/36
 
EveAnn 1.722319  39%
11/28
56%
20/36
EveAnn 1.71a2318  62%
2.5/4
50%
1/2
Ant 2006-F230275%
3/4
 48%
14.5/30
69%
5.5/8
Natwarlal 0.142301  55%
5.5/10
42%
5/12
Zeus 1.292298  55%
5.5/10
56%
4.5/8
CT800 1.34 64-bit2296 66%
22.5/34
60%
21.5/36
 
Matilde 2008 64-bit229188%
3.5/4
 55%
5.5/10
100%
2/2
Invictus r228 64-bit2290  53%
16/30
75%
4.5/6
Chaturanga 2.4.3228975%
3/4
 55%
5.5/10
75%
1.5/2
AliChess 4.252284  65%
19.5/30
50%
1/2
Barbarossa 0.5.0 64-bit2275 47%
16/34
61%
23/38
 
Chispa 4.0.32272  57%
17/30
75%
1.5/2
Ayito 0.2.9942263100%
4/4
 55%
5.5/10
70%
7/10
Beowulf 2.4a 64-bit2249  57%
17/30
75%
1.5/2
SpaceDog 0.97.7 64-bit2238 81%
27.5/34
0%
0/2
 
NameEloKnightX
1.97a
64-bit
KnightX
1.94
64-bit
KnightX
1.93
64-bit
KnightX
1.92
RamJet 0.13222788%
3.5/4
 45%
4.5/10
 
Joker2 0.7.7 64-bit2217  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-bit2198 78%
26.5/34
50%
1/2
 
NG-Play 9.87 64-bit2187  50%
1/2
75%
7.5/10
Clever Girl r185 64-bit2169 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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Rating list
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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

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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019