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Rapid:
Individual Calculations September 2018 |
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| Rodriguez Retana, Sofia Total change: 12.40 | |   |
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| Campeonato Nacional Ajedrez Rapido por Equipos FCA 2018 | San Jose | CRC | 2018-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1477 | 1197 | 1.50 | 5 | 0.62 | 20 | 12.40 | |
|  Amaya Madrigal, Josue | | | 1597 * | CRC | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Rodriguez Jimenez, Jose Daniel | | | 1368 | CRC | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Abarca Matarrita, Juan P | | | 1379 | CRC | 1.00 | 1 | 0.74 | 20 | 14.80 | |  Pastor Carvajal, Jeigoth | | | 1446 | CRC | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Chaves Sanchez, Gabriel A | | | 1597 * | CRC | 0.00 | 1 | -0.08 | 20 | -1.60 | | | * 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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