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Individual Calculations December 2019 |
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| Franco Perez, William Total change: -24.80 | |   |
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| VIII Panamericano Individual de Ajedrez IBCA Costa Rica 2019 | San Jose | CRC | 2019-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1470 | 1584 | 2.00 | 5 | -1.24 | 20 | -24.80 | |
|  Becerra Fonseca, Camila | | wc | 1302 | COL | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Ibarra Cantu, Raul Alberto | f | | 1976 | MEX | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Aceituno Ramirez, Stebe Josue | | | 1416 | GUA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Espindola, Carlos Marcelo | | | 1432 | BRA | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Telles, Rigoberto | | | 1226 | CRC | 0.00 | 1 | -0.90 | 20 | -18.00 | |
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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