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Individual Calculations December 2019 |
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| Lobo Meneses, Natalia Total change: -30.80 | |   |
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| Campeonato Panamericano Amateur U1700 2019 | San Jose | CRC | 2019-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1267 | 1393 | 2.50 | 5 | -0.77 | 40 | -30.80 | |
|  Rojas Mendoza, Joun Sun | | | 1647 | COL | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Alvarez Ugalde, Isaac | | | 1223 | CRC | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Diaz Charpentier, Ashly Valeri | | | 1056 | CRC | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Alvarez Alvarez, Johanel | | | 1160 | CRC | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Mayorga Araya, Sofia | | | 1249 | CRC | 1.00 | 1 | 0.31 | 40 | 12.40 | |
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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