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Individual Calculations December 2019 |
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| Ibarra Cantu, Raul Alberto Total change: -9.20 | |   |
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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 |
| 1678 | 1976 | 4.50 | 6 | -0.46 | 20 | -9.20 | |
|  Espindola, Carlos Marcelo | | | 1576 * | BRA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Franco Perez, William | | | 1584 | COL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Torres, Saulo De Jesus | | | 1760 | COL | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Franco, Yolima | | | 1576 * | COL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bautista Chiquillo, Leidy | | | 1600 | COL | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Quintero, Raul | | | 1970 | COL | 1.00 | 1 | 0.49 | 20 | 9.80 | | | * 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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