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Individual Calculations November 2017 |
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| Cabezas Solano, David Alejandro Total change: 7.20 | |   |
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| Campeonato Nacional Infantil Sub14 por Equipos 2017 | Cartago | CRC | 2017-09-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1307 | 1636 | 4.50 | 5 | 0.18 | 40 | 7.20 | |
|  Gomez Rivera, Felipe | | | 1236 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | |  Villegas Rodriguez, Jeremy | | | 1236 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Diaz Charpentier, Kristel Meliss | | | 1480 | CRC | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Coto Calderon, Juan Diego | | | 1345 | CRC | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Sierra Berrocal, Gabriela | | | 1236 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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