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Individual Calculations September 2009 |
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| Dek, Lennart Total change: 9.60 | |   |
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| Intomart GfK Open 2009 | Hilversum | NED | 2009-06-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2179 | 4.50 | 8 | 1.81 | 15 | 27.15 | |
|  L`ami, Erwin | g | | 2529 | NED | 0.50 | 1 | 0.39 | 15 | 5.85 | |  Ten Hertog, Hugo | | | 2073 | NED | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Vogel, Jaap | f | | 2234 | NED | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Miedema, Roi | f | | 2370 | NED | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Oosterom, Erik | | | 2126 | NED | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Slingerland, Fred | m | | 2389 | NED | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Strating, Sybolt | f | | 2328 | NED | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Hendriks, Willy | m | | 2447 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2056 | 2205 | 5.00 | 9 | -1.17 | 15 | -17.55 | |
| | Maas, Joop | | | 1805 * | NED | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Koelmans, Jan Willem | | | 2008 | NED | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Roggeveen, Wouter | | | 2025 | NED | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Kerkvliet, Max | | | 2037 | NED | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Shyam, Sundar M. | m | | 2415 | IND | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Meulblok, Willy | | | 2051 | NED | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Schaeken, Yordi | | | 2078 | BEL | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Lagrain, Jan | | | 2063 | BEL | 0.50 | 1 | -0.19 | 15 | -2.85 | | | Boulahfa, Hicham | | | 2022 | NED | 0.50 | 1 | -0.24 | 15 | -3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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