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Individual Calculations January 2009 |
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| Guerreiro, Helder Total change: 11.40 | |   |
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| Torneio de Xadrez Tchigorin | Lisboa | POR | 2008-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1711 | 1540 | 0.50 | 3 | -0.35 | 15 | -5.25 | |
|  Azevedo, Manuel Roque | | | 1824 | POR | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Vieira, Vitor | | | 1695 | POR | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Loureiro, Ernesto | | | 1614 | POR | 0.00 | 1 | -0.40 | 15 | -6.00 | |
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) | | | | GXA Outono 2008 | Lisboa | POR | 2008-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1540 | 2.00 | 4 | 1.11 | 15 | 16.65 | |
|  Santos, Jose Fernandes | | | 1724 | POR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Arranja, Armando | | | 1890 | POR | 0.50 | 1 | 0.39 | 15 | 5.85 | | | Videira, Alfredo | | | 1608 | POR | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Garcia, Antonio | | | 1890 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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