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Individual Calculations February 2019 |
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| Alvarado Alvarez, Rafael Angel Total change: 0.40 | |   |
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| Abierto Internacional Metropolitano B 2018 | San Jose | CRC | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1371 | 1031 | 0.50 | 4 | 0.01 | 40 | 0.40 | |
|  Solano Saltachin, Carlos Andres | | | 1431 * | CRC | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Hernandez Leandro, Alejandro | | | 1320 | CRC | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Tapia Alvarez, Alejandro | | | 1431 * | CRC | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Semana Ramirez, Jerian | | | 1303 | CRC | 0.00 | 1 | -0.17 | 40 | -6.80 | | | * 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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