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Individual Calculations September 2019 |
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| Alvarez Ugalde, Isaac Total change: 11.60 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1315 | 1216 | 1.50 | 3 | 0.29 | 40 | 11.60 | |
|  Quesada Guevara, Max | | | 1616 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Baum Gutierrez, Ismael | | | 1294 | CRC | 0.50 | 1 | 0.11 | 40 | 4.40 | |  Rojas Esquivel, Alejandro | | | 1034 | CRC | 1.00 | 1 | 0.26 | 40 | 10.40 | | | * 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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