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Individual Calculations April 2009 |
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| Barbosa, Oliver Total change: -9.50 | |   |
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| 1st Gov. Aurelio Umali Cup Open | Palayan City | PHI | 2009-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2251 | 2435 | 2.00 | 4 | -0.95 | 10 | -9.50 | |
|  Datu, Alcon John | | | 2155 | PHI | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Branzuela, Ali | | | 2286 | PHI | 0.00 | 1 | -0.70 | 10 | -7.00 | | | De Ramos, Julius Joseph | | | 2311 | PHI | 0.00 | 1 | -0.67 | 10 | -6.70 | | | Lao, Elias | | | 2250 | PHI | 1.00 | 1 | 0.26 | 10 | 2.60 | |
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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