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Individual Calculations April 2020 |
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| Medina Mayorga, David Josue Total change: 15.20 | |   |
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| Campeonato Nacional Categorias Menores Impares U17 Open | San Ramon | CRC | 2020-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1441 | 1372 | 3.00 | 6 | 0.38 | 40 | 15.20 | |
|  Pastor Carvajal, Jeigoth | | | 1708 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | |  Soza Rojas, Dennilson G | | | 1192 | CRC | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Cartin Aguilar, Luis Javier | | | 1772 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Sierra Berrocal, Gabriela | | | 1247 | CRC | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Angulo Hernandez, Maria Jesus | | | 1609 | CRC | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Lacayo Kirov, Esther | | | 1120 | CRC | 1.00 | 1 | 0.19 | 40 | 7.60 | | | * 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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