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Individual Calculations July 2019 |
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| Rojas Mora, Maria Salvadora Total change: 20.40 | |   |
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| I Torneo Amateur San Ramon 2019 | San Ramon | CRC | 2019-06-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1041 | 1039 | 2.00 | 3 | 0.51 | 40 | 20.40 | |
|  Mairena Fallas, Gael | | | 1052 | CRC | 1.00 | 1 | 0.52 | 40 | 20.80 | | | Jaramillo Naranjo, Sebastian | | | 1033 | CRC | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Orlich Ramirez, Jose Rodrigo | | | 1038 | CRC | 1.00 | 1 | 0.50 | 40 | 20.00 | |
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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