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Individual Calculations September 2019 |
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| Quesada Guevara, Max Total change: -10.00 | |   |
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| Campeonato Nacional Abierto 2019 | San Jose | CRC | 2019-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1568 | 1616 | 3.00 | 6 | -0.25 | 40 | -10.00 | |
|  Melendez Arce, Caleth | | | 1607 | CRC | 0.50 | 1 | -0.01 | 40 | -0.40 | |  Alvarez Ugalde, Isaac | | | 1216 * | CRC | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Alvarez Mora, Jorge Mario | | | 1769 | CRC | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Aguilar Pina, Luis Gerardo | | | 1796 | CRC | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Nunez Avendano, Manrique | | | 1646 | CRC | 1.00 | 1 | 0.54 | 40 | 21.60 | | | Guzman Hidalgo, Nicolas | | | 1371 | CRC | 0.00 | 1 | -0.80 | 40 | -32.00 | | | * 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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