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Individual Calculations September 2009 |
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| Sanchez Enriquez, Oscar Ge Total change: -2.10 | |   |
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| Zonal 2.3 2009 | San Jose | CRC | 2009-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2353 | 2282 | 3.50 | 9 | -0.14 | 15 | -2.10 | |
|  Gonzalez, Bernal | m | | 2440 | CRC | 0.50 | 1 | 0.21 | 15 | 3.15 | |  Soto Paez, Oliver | f | | 2388 | VEN | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Echavarria, Johann | f | | 2379 | COL | 0.00 | 1 | -0.37 | 15 | -5.55 | | | Gongora Montes, Benjamin | m | | 2251 | MEX | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Ossa, Orlando | | | 2301 | COL | 1.00 | 1 | 0.53 | 15 | 7.95 | | | Hernandez Basante, Francis | m | | 2278 | CRC | 1.00 | 1 | 0.49 | 15 | 7.35 | | | Prasca, Raphael | m | | 2415 | VEN | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Arias, Lemmys A. | m | | 2406 | ESA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Murillo, Alexis | m | | 2317 | CRC | 0.50 | 1 | 0.05 | 15 | 0.75 | |
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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