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.

World DipCon XXVI 2016
Weasel Moot X & DipCon 49
Date June 24-26, 2016 Place Chicago
Number of players93 Number of rounds5 Number of boards52
Coeff 120.00 Coeff 2- Coeff 3-

RankFirstName LastNameLoc.Nat.Score
1Chris BRAND99.46
2Doug MOORE98.39
3Andrew GOFF97.31
4Nathan BARNES96.24
5Peter YEARGIN95.16
6Adam SILVERMAN94.09
7David MALETSKY93.01
8Nicolas SAHUGUET91.94
9David HOOD90.86
10John GRAMILA89.78
11Toby HARRIS88.71
12Dan LESTER87.63
13Christian KLINE86.56
14Grant STEEL85.48
15Tom SCUDDER84.41
16Steve COOLEY83.33
17Edi BIRSAN82.26
18Andrew BARTLEIN81.18
19Jason O'DONNELL80.11
20Robert ROUSSE79.03
21Kevin O'KELLY77.96
22Mark ZOFFEL76.88
23Peter MCNAMARA75.81
24Jack LATTA74.73
25Christian MACDONALD73.66
26Adam SIGAL72.58
27Tom KOBRIN71.51
28John JAMIESON70.43
30Jason MASTBAUM68.28
31Paul PIGNOTTI67.20
32Eric GRINNELL66.13
34Carlos TREVINO63.98
35Rick DESPER62.90
36Jorge ZHANG61.83
37Tim JONES60.75
38Peter LOKKEN59.68
39Jay HEUMANN58.60
40Chris KELLY57.53
41Matt SHIELDS56.45
42Mike BARTLEIN55.38
43Alex MASLOW54.30
44Randy LAWRENCE-HURT53.23
45Grant SMITH52.15
46Chris BOURASSA51.08
47Chris GLASSBURN50.00
48Brandon FOGEL48.92
49Bernard ANDRIOLI47.85
50Mike HALL46.77
51Scott JOFFRE45.70
52Michael BINDER44.62
53Brian SHELDEN43.55
54Bruno-André GIRAUDON42.47
55Eric MEAD41.40
56Mike SULLIVAN40.32
57Brad HARRINGTON39.25
58Bryan PRAVEL38.17
59Nicholas DELATEUR37.10
60Dariusz MURAKOWSKI36.02
61Siobhan NOLEN34.95
62Mike WHITTY33.87
63Edwin TURNAGE32.80
64Oliver STEEL31.72
65Nathan DEILY30.65
66Christian PEDONE29.57
67Jake TROTTA28.49
68Eric SILVERMAN27.42
69Matt SUNDSTROM26.34
70Don GLASS25.27
71Amanda BAUMGARTNER24.19
72Roland COOKE23.12
73Josh HEFFERNAN22.04
74Max DYKHUIZEN20.97
75Joshua SHANK19.89
76Brian BECK18.82
77Dan BURGESS17.74
78Hanbyl JOHNSON16.67
79Danny GRINNELL15.59
80Zac JARVIE14.52
81Chad KEMP13.44
82Ali ADIB12.37
82Samuel BASSETT12.37
82Adriana CORTES12.37
82Don DEL GRANDE12.37
82Tony PROKES12.37
82Nick ROHN12.37
82David SPANOS12.37
82Fred TOWNSEND12.37
82Ian TROTTA12.37
82Tim YANOK12.37
82Jonathan ZHANAY12.37

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