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Individual Calculations September 2009 |
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| Bollaart, Jeroen Total change: -5.10 | |   |
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| Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1903 | 1.00 | 4 | -0.34 | 15 | -5.10 | |
|  Kohlweyer, Bernd | m | | 2303 * | GER | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Van Der Borgt, Peter | | | 2067 | NED | 0.50 | 1 | 0.22 | 15 | 3.30 | |  Bottema, Martin | | | 2105 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Kerkvliet, Sebastiaan | | | 1718 | 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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