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Individual Calculations April 2009 |
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| Twomey, Pat Total change: 4.50 | |   |
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| III Open Internacional d'Escacs Illes Medes Grupo B | Catalunya | ESP | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1760 | 1870 | 4.00 | 6 | 0.18 | 25 | 4.50 | |
|  Camps Carreras, Marcel | | | 1523 | ESP | 0.50 | 1 | -0.39 | 25 | -9.75 | |  Urbano Cabrera, Moises | | | 1749 | ESP | 1.00 | 1 | 0.34 | 25 | 8.50 | | | Vargas Ramirez, Ana Maria | | | 1790 | COL | 1.00 | 1 | 0.39 | 25 | 9.75 | | | Mas Recorda, Pedro | | | 1960 | ESP | 0.00 | 1 | -0.38 | 25 | -9.50 | | | Balague Camps, Marc | | | 1796 | ESP | 1.00 | 1 | 0.40 | 25 | 10.00 | | | Dalmas Porqueres, Joan Albert | | | 1739 | ESP | 0.50 | 1 | -0.18 | 25 | -4.50 | |
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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