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Individual Calculations September 2009 |
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| Trafi Guillaume, Joaquin Total change: 5.10 | |   |
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| XXI Obert Internacional Vila de Sant Boi | Sant Boi de Llobregat | ESP | 2009-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1672 | 1857 | 2.50 | 3 | 0.34 | 15 | 5.10 | |
|  Pascual Romero, Salvador | | | 1819 | ESP | 1.00 | 1 | 0.45 | 15 | 6.75 | | | Cabanillas Amboades, Rafael | | | 1507 | ESP | 0.50 | 1 | -0.39 | 15 | -5.85 | |  Palomero Galvez, Antonio | | | 1690 | ESP | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | |
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