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Individual Calculations September 2009 |
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| Kovtun, Igor Total change: 23.85 | |   |
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| Taca de Portugal 2008-09 | various | POR | 2008-12-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2068 | 0.50 | 1 | 0.08 | 15 | 1.20 | |
|  Castro, Francisco | | | 2124 | POR | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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) | | | | 3 Divisao Fase Final | VN de Gaia | POR | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 2045 | 3.00 | 3 | 1.51 | 15 | 22.65 | |
| | Rego, Pedro Filipe Pinho | | | 2171 | POR | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Pereira, Octavio Sergio Alfere | | | 1965 | POR | 1.00 | 1 | 0.39 | 15 | 5.85 | |  Alemao, Hermenegildo Dos Santo | | | 2009 | POR | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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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