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Individual Calculations September 2019 |
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| Melendez Arce, Caleth Total change: 20.80 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1674 | 1607 | 3.00 | 6 | 0.52 | 40 | 20.80 | |
|  Quesada Guevara, Max | | | 1616 | CRC | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Nunez Okubo, Isao | c | | 1648 | CRC | 0.50 | 1 | 0.06 | 40 | 2.40 | |  Marin Leon, Valeria | | wc | 1699 | CRC | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Araya Tropper, Ariel | | | 1207 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Castillo Morales, Thais | | wm | 1864 | CRC | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Chaves Sanchez, Gabriel A | | | 2007 * | CRC | 0.00 | 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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