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Individual Calculations September 2009 |
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| Portugalera, Ric Total change: 9.50 | |   |
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| Victory Central Mall Open Chess Championship | Caloocan City | PHI | 2009-07-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2367 | 2193 | 1.50 | 4 | 0.38 | 25 | 9.50 | |
|  Gonzales, Jayson | g | | 2456 | PHI | 0.50 | 1 | 0.32 | 25 | 8.00 | |  Pacis, Adrian | f | | 2292 | PHI | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Nolte, Rolando | m | | 2458 | PHI | 0.50 | 1 | 0.32 | 25 | 8.00 | | | Andador, Rolando | | | 2263 | PHI | 0.50 | 1 | 0.10 | 25 | 2.50 | |
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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