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.

Carnage on the Mountain 2018
Date November 2-3, 2018 Place Killington
Number of players33 Number of rounds3 Number of boards11
Coeff 111.43 Coeff 2- Coeff 3-

RankFirstName LastNameLoc.Nat.Score
1Brad BLITSTEIN98.48
2David MILLER95.45
3Donald WOODRING92.42
5Christian PEDONE86.36
6Dan POLLOCK83.33
7Craig MAYR80.30
8Nicholas DELATEUR77.27
9Andrew KATCHER74.24
10Alan LEVIN71.21
11Chris CAMPBELL68.18
12Matt LANGER65.15
13Jason MASTBAUM62.12
14Carl ELLIS59.09
16Graham WOODRING53.03
17Chris MARTIN50.00
18Mark HEHLENn.c.n.c.46.97
19Alex MASLOW43.94
20Scott RICHARDS40.91
21Mitchell MCCONEGHEY37.88
22Robert ROUSSE34.85
23Edwin TURNAGE31.82
24Zak HAMMOND28.79
25Brian ECTON25.76
26Evan ELLIS22.73
27David BURGESS19.70
28Robert LACERAISn.c.n.c.16.67
29Wyll HOERRESn.c.n.c.13.64
30Jim THOMPSONn.c.n.c.10.61
31Evan BURGESSn.c.n.c.7.58
32Roland COOKE4.55

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