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Individual Calculations December 2018 |
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| Hurtado, David Total change: 30.40 | |   |
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| I Festival de Ajedrez Sub-2000 IRT "Gran Mamore" 2018 | Trinidad | BOL | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1722 | 1853 | 2.00 | 2 | 0.76 | 40 | 30.40 | |
|  Ribera Arce, Yorch Willy | | | 1990 | BOL | 1.00 | 1 | 0.68 | 40 | 27.20 | |  Iquise Calle, Jhosselyn | | | 1453 * | BOL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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