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Individual Calculations December 2019 |
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| Rojas Mendoza, Joun Sun Total change: -20.00 | |   |
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| Campeonato Panamericano Amateur U1700 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1429 | 1647 | 5.00 | 8 | -1.00 | 20 | -20.00 | |
|  Hernandez Perez, Javier Francisco | | | 1247 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wong Velis, Alejandro Jesus | | | 1263 | PER | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Lobo Meneses, Natalia | | | 1393 | CRC | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Barboza Viquez, Martin Eduardo | | | 1397 | CRC | 0.50 | 1 | -0.31 | 20 | -6.20 | | | Sierra Berrocal, Auriel | | | 1325 | CRC | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Vasquez Jaen, Lourdes Lorena | | | 1482 | PAN | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Ruiz Gonzales, Francisco Rene | | | 1667 | NCA | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Aponte Gomez, Edgar Patricio | | | 1656 | PER | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * 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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