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Individual Calculations September 2009 |
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| De Winter, Eric Total change: -2.25 | |   |
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| Arctic Chess Challenge 2009 | Tromsø | NOR | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2202 | 1854 | 0.50 | 5 | -0.09 | 25 | -2.25 | |
|  Zdebskaja, Natalia | | wg | 2254 * | UKR | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Rolvag, Mikael | | | 2196 | NOR | 0.50 | 1 | 0.38 | 25 | 9.50 | |  Tikkanen, Kari | f | | 2254 * | FIN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Gator, Mosab | | | 2076 | LBA | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Bjerke, Silje | | wm | 2231 | NOR | 0.00 | 1 | -0.09 | 25 | -2.25 | | | * 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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