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Individual Calculations September 2019 |
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| Baum Gutierrez, Ismael Total change: -36.80 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1343 | 1294 | 0.50 | 3 | -0.92 | 40 | -36.80 | |
|  Alvarez Mora, Jorge Mario | | | 1694 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Alvarez Ugalde, Isaac | | | 1216 | CRC | 0.50 | 1 | -0.11 | 40 | -4.40 | | | Rojas Esquivel, Luis Julian | | | 1118 | CRC | 0.00 | 1 | -0.73 | 40 | -29.20 | | | * 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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