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Rapid:
Individual Calculations December 2019 |
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| Porras Chavarria, Pamela Maria Total change: 4.20 | |   |
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| I Torneo Rapid Sub20 Alajuela 2019 | Alajuela | CRC | 2019-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1314 | 2.50 | 6 | 0.21 | 20 | 4.20 | |
|  Calvo Campos, Adrian | | | 1683 | CRC | 1.00 | 1 | 0.90 | 20 | 18.00 | |  Leon Cubero, Brandon | | | 1356 | CRC | 1.00 | 1 | 0.56 | 20 | 11.20 | | | Chaves Williams, Jose Andres | | | 1511 | CRC | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Porras Chavarria, Michael | | | 1458 | CRC | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Angulo Hernandez, Maria Jesus | | | 1327 | CRC | 0.00 | 1 | -0.48 | 20 | -9.60 | | | Jimenez Corella, Jimena | | | 1159 | CRC | 0.50 | 1 | -0.21 | 20 | -4.20 | |
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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