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Individual Calculations November 2017 |
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| Porras Chavarria, Pamela Maria Total change: -8.00 | |   |
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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 |
| 1429 | 1252 | 1.00 | 4 | -0.20 | 40 | -8.00 | |
|  Murillo Gonzalez, Carlos E | f | | 1652 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cabrera Sosa, Marco Vinicio | | | 1521 | CRC | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Elizondo Montero, Juan Luis | | | 1234 | CRC | 1.00 | 1 | 0.47 | 40 | 18.80 | | | Sandi Castro, Allan | | | 1309 | CRC | 0.00 | 1 | -0.42 | 40 | -16.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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