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Individual Calculations May 2019 |
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| Porras Chavarria, Pamela Maria Total change: 4.20 | |   |
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| I Torneo Abierto de Curridabat 2019 | Curridabat | CRC | 2019-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1461 | 1219 | 1.50 | 6 | 0.21 | 20 | 4.20 | |
|  Vilpoux, Jeremie | | | 1619 * | FRA | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Porras Chavarria, Michael | | | 1438 | CRC | 0.00 | 1 | -0.22 | 20 | -4.40 | |  Abarca Matarrita, Juan P | | | 1334 | CRC | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Ruiz Coronado, Maykel | | | 1409 | CRC | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Nunez Avendano, Manrique | | | 1619 * | CRC | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Barquero Alfaro, Alejandro | | | 1349 | CRC | 0.00 | 1 | -0.32 | 20 | -6.40 | | | * 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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