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Individual Calculations September 2009 |
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| Labay, Rainer Total change: -6.50 | |   |
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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 |
| 2319 | 2254 | 1.00 | 3 | -0.26 | 25 | -6.50 | |
|  Bitoon, Richard | m | | 2495 | PHI | 0.00 | 1 | -0.20 | 25 | -5.00 | | | Elorta, David | | | 2370 | PHI | 0.00 | 1 | -0.34 | 25 | -8.50 | |  Ricana, Leodegario | | | 2091 | PHI | 1.00 | 1 | 0.28 | 25 | 7.00 | |
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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