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Individual Calculations September 2019 |
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| Salas Estrada, Ana Maria Total change: -31.40 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1442 | 1333 | 0.00 | 4 | -1.57 | 20 | -31.40 | |
|  Vargas Serrano, Pablo Andres | | | 1733 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Marin Leon, Valeria | | wc | 1699 | CRC | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Nunez Castro, Max Alejandro | | | 1303 | CRC | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Rojas Esquivel, Alejandro | | | 1034 | CRC | 0.00 | 1 | -0.85 | 20 | -17.00 | | | * 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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