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Individual Calculations September 2017 |
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| Wisky Perez, Alexander Van Total change: 16.00 | |   |
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| Campeonato Metropolitano Escolar Grupo B Sub 13 Absoluto | Lima | PER | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1348 | 1282 | 2.50 | 5 | 0.40 | 40 | 16.00 | |
|  Alza Rios, Jose Karlo | | | 1269 | PER | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Zarate Manchay, Rosa Illari | | | 1178 | PER | 1.00 | 1 | 0.36 | 40 | 14.40 | |  Caja Alarcon, Gianpier | | | 1559 | PER | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Sinti Pio, Jesus Moises | | | 1380 | PER | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Siu, Allen | | | 1355 | PER | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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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