World Diplomacy Database

The World Diplomacy Database


Home Tournament League Circuit Player
WDD Battle Ranking System Scoring System Event's report Statistics

Other ranking system

Dip Pouch Tournament Rating
AuthorMatt Shields Last Update2019-10-09
International ranking National ranking
List of included tournaments List of included circuits

Each player begins with an initial rating of 40 before their first tournament. After each event, a player's final placement (e.g. 1st, 2nd, 3rd, etc.) is converted to a percentile score.

The formula used is: (([Number of Players in the event]+0.5-[Placement])/[Number of Players in the event])*100

If the event was the World Championship, the tournament value is 20.
Otherwise, if the tournament has only one round, the tournament value is equal to the number of players in the event divided by 7, plus 2. If the event has more than one round, the tournament value is equal to the number of players in the event divided by 3.5, plus two. ( (#players/3.5)+2 ). However, the maximum tournament value for any non-world championship event is 15.

Events before 2001, with the exception of World Championships, have a tournament value of zero, meaning they have no effect on ratings. The theory is that results be based only on the last ten years of competitive play.

As an example of calculating new ratings, suppose a player enters an event with a rating of 55. Suppose also that they finish in 8th place out of 65 players. The player's percentile score is (65 + 0.5 - 8)/65 * 100 = 88.46. A 65 player event would have a tournament value of (65/3.5) +2 = 20.57. However, since the maximum tournament value is 15, that will be the value for this event. Therefore, this player's rating will move 15% of the distance from 55 to 88.46. The difference between 88.46 and 55 is 33.46. 15% of 33.46 is 5.019. Therefore, we add 5.019 points to this player's rating as a results of this event, meaning their rating increases from 55 to 60.019.

HuskyCon 2010
Date July 9-11, 2010 Place Long Island
Number of players48 Number of rounds3 Number of boards17
Coeff 115.00 Coeff 2- Coeff 3-

RankFirstName LastNameLoc.Nat.Score
1Peter YEARGIN98.96
2Michael BINDER96.88
3Brian ECTON94.79
4Christopher MANN92.71
5Andy BARTALONE90.63
6Melissa CALL (nee NICHOLSON)88.54
7Seth VAUGHN86.46
8David MALETSKY84.38
8Chris MARTIN84.38
10Roland COOKE80.21
10Mike PERLMUTTER80.21
12Hudson DEFOE76.04
13Alex AMANN73.96
13Jonathan HILL73.96
15Robert ROUSSE69.79
16Andrew LEAVY67.71
17Rick DESPER65.63
17Joe WHEELER65.63
17Donald WOODRING65.63
20Cyrille SEVIN59.38
20Graham WOODRING59.38
22Chris CORVAO55.21
23Joe SIESTO53.13
23Brian VEPREK53.13
25Carl ELLIS48.96
25Conrad WOODRING48.96
27Chris STERBENZ44.79
28Paul CAMINA42.71
28Randy LAWRENCE-HURT42.71
28Anthony LIDDLE42.71
31Stephen SANTANGELO36.46
32Dan EGNOR34.38
32Christian PEDONE34.38
34Peter RUSSO30.21
35Andy SHINER28.13
36Glenn HABIBI26.04
37Gary STERN23.96
38Evan ELLIS21.88
38Zack GIBBS21.88
38Scott RICHARDS21.88
41Jon BLUNNIE15.63
41Joe COCHRANE15.63
43Chris MAZZA11.46
43Brent WADDINGTON11.46
45Andrew BOGENHAGEN7.29
45Jeremy EHRLICH7.29
45Garrick LIDDLE7.29
45Jason O'DONNELL7.29

The North American Diplomacy Association The European Diplomacy Association The Diplomacy Association of Australia and New Zealand