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Individual Calculations December 2019 |
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| Cabrera Sosa, Marco Vinicio Total change: 29.60 | |   |
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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 |
| 1583 | 1334 | 2.50 | 5 | 1.48 | 20 | 29.60 | |
|  Bautista Chiquillo, Leidy | | | 1600 | COL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Cruz Zelaya, Felipe | | | 1574 | HON | 1.00 | 1 | 0.80 | 20 | 16.00 | |  Leyton Calderon, Jairo Oswaldo | | | 1539 | NCA | 1.00 | 1 | 0.76 | 20 | 15.20 | | | Daza, Fernando | | | 1734 * | COL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Gamboa Mora, Rolando | | | 1466 | CRC | 0.50 | 1 | 0.18 | 20 | 3.60 | | | * 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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