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Individual Calculations January 2009 |
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| Videira, Alfredo Total change: 2.55 | |   |
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| Torneio de Xadrez Tchigorin | Lisboa | POR | 2008-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1814 | 1608 | 2.50 | 6 | 1.01 | 15 | 15.15 | |
|  Marques, Jose Capela | | | 1934 | POR | 0.00 | 1 | -0.13 | 15 | -1.95 | |  Santos, Alexandre | | | 1764 | POR | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Vieira, Vitor | | | 1695 | POR | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Seia, Joao | | | 1810 | POR | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Aguiar, Carlos | | | 1958 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Santos, Jose Fernandes | | | 1724 | POR | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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 |
| 1643 | 1608 | 1.50 | 5 | -0.84 | 15 | -12.60 | |
| | Aguiar, Carlos | | | 1958 | POR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Guerreiro, Helder | | | 1540 | POR | 0.50 | 1 | -0.09 | 15 | -1.35 | | | Silva, Joaquim | | | 1663 | POR | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Mouquinho, Jose | | | 1588 | POR | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Santos, Norberto | | | 1468 | POR | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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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