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Individual Calculations September 2009 |
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| Duarte, Antonio Total change: -16.50 | |   |
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| 3º Circuito de Xadrez de Vila Franca de Xira - 3º Torneio | Alverca | POR | 2009-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1684 | 0.50 | 3 | -0.66 | 25 | -16.50 | |
|  Martins, Abilio Morgado | | | 1669 | POR | 0.50 | 1 | -0.02 | 25 | -0.50 | | | Rocha, Manuel Fernando Teixeira | | | 1963 | POR | 0.00 | 1 | -0.16 | 25 | -4.00 | |  Lima, Fernando Jose Miranda Vasco | | | 1701 | POR | 0.00 | 1 | -0.48 | 25 | -12.00 | |
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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