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Individual Calculations January 2009 |
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| Van De Plassche, Erik Total change: 17.00 | |   |
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| Weekend CHessOpen | LUGANO | SUI | 2008-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2281 | 2152 | 2.00 | 4 | 0.68 | 25 | 17.00 | |
|  Vezzosi, Paolo | m | | 2337 | ITA | 0.50 | 1 | 0.24 | 25 | 6.00 | |  Colmenares, Aurelio | f | | 2304 | SUI | 0.50 | 1 | 0.20 | 25 | 5.00 | | | Salvetti, Alec | f | | 2297 | ITA | 0.50 | 1 | 0.19 | 25 | 4.75 | | | Botta, Gabriele | | | 2186 | SUI | 0.50 | 1 | 0.05 | 25 | 1.25 | |
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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