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Individual Calculations November 2019 |
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| Barquero Alfaro, Alejandro Total change: -10.40 | |   |
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| VII Open Encuentro de Culturas 2019 | Santa Ana | CRC | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1505 | 1331 | 1.00 | 4 | -0.26 | 40 | -10.40 | |
|  Fernandez Sibaja, Felipe J | c | | 1731 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Espinoza Cortes, Miguel Angel | | | 1033 | CRC | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Solis L., Efren A. | c | | 1731 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rivas Calderon, Victor Julio | | | 1525 | CRC | 0.00 | 1 | -0.25 | 40 | -10.00 | | | * 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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