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Individual Calculations November 2017 |
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| Chaves Williams, Jose Andres Total change: -2.40 | |   |
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| V Open Encuentro de Culturas Santa Ana 2017 | Santa Ana | CRC | 2017-10-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1234 | 1540 | 2.50 | 3 | -0.06 | 40 | -2.40 | |
|  Mata Tencio, Randall | | | 1275 | CRC | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Barboza Viquez, Martin Eduardo | | | 1176 | CRC | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Frajman Kierszenson, Lior | | | 1251 | CRC | 0.50 | 1 | -0.34 | 40 | -13.60 | |
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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