World Diplomacy Database

The World Diplomacy Database


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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.

World DipCon XXV 2015
Date May 1-3, 2015 Place Milano
Number of players43 Number of rounds5 Number of boards25
Coeff 120.00 Coeff 2- Coeff 3-

RankFirstName LastNameLoc.Nat.Score
1Toby HARRIS98.84
3Thomas HAVER94.19
4Alex LEBEDEV91.86
5Dan LESTER89.53
6Cyrille SEVIN87.21
7Peter MCNAMARA84.88
8Dave SIMPSON82.56
9Giovanni CESARINI80.23
10Conrad WOODRING77.91
11Andrew GOFF75.58
12Nicolas SAHUGUET73.26
13Gwen MAGGI70.93
14René VAN ROOIJEN68.60
15Luca PARDINI66.28
16Frank OOSTEROM63.95
17Matteo ANFOSSI61.63
18Curzio FACOETTI59.30
19Edi BIRSAN56.98
20Millis MILLER54.65
22David MALETSKY50.00
23Marco FERRARI47.67
24Phil WEISSERT45.35
25Bernard ANDRIOLI43.02
26Francesco CONTE40.70
27Jean-Louis DELATTRE38.37
28Giuseppe SALERNO36.05
30Luca PAZZAGLIA31.40
31Gianmarco DI LELLA29.07
32Marcello CIANCIO26.74
33Laurent JOLY24.42
34Davide CLEOPADRE22.09
35Dirk BRÜGGEMANN19.77
36Fang ZHANG17.44
37Yann CLOUET15.12
38Dionis HOXHA12.79
39Alberto CAPPONI10.47
40Christian REICHARDT8.14
41Massimo IRETTI5.81

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