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Individual Calculations September 2009 |
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| Porteman, Eric Total change: -12.15 | |   |
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| Belgisch Kampioenschap 2009 - Open | Saint-Servais (Namur) | BEL | 2009-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1857 | 1957 | 3.00 | 6 | -0.81 | 15 | -12.15 | |
|  Claesen, Pieter | m | | 2357 * | BEL | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Geerinckx, Bernard | | | 1742 | BEL | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Roos, David | | | 1789 | BEL | 0.50 | 1 | -0.22 | 15 | -3.30 | | | Van Melkebeke, Willem | | | 1877 | BEL | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Tossens, Alain | | | 1793 | BEL | 1.00 | 1 | 0.28 | 15 | 4.20 | | | Lootens, Matthias | | | 1581 | BEL | 0.00 | 1 | -0.91 | 15 | -13.65 | | | * 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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