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Individual Calculations December 2019 |
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| Bautista Chiquillo, Leidy Total change: 44.20 | |   |
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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 |
| 1633 | 1600 | 5.00 | 6 | 2.21 | 20 | 44.20 | |
|  Cabrera Sosa, Marco Vinicio | | | 1334 | CRC | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Franco, Yolima | | | 1534 | COL | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Telles, Rigoberto | | | 1226 | CRC | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Quintero, Raul | | | 1970 | COL | 1.00 | 1 | 0.90 | 20 | 18.00 | | | Ibarra Cantu, Raul Alberto | f | | 1976 | MEX | 0.50 | 1 | 0.41 | 20 | 8.20 | | | Torres, Saulo De Jesus | | | 1760 | COL | 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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