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Individual Calculations May 2015 |
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| Martinez Acuna, Huber Total change: 4.60 | |   |
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| VI Torneo Internacional de Alajuela 2015 | Alajuela | CRC | 2015-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1896 | 1948 | 3.50 | 6 | 0.23 | 20 | 4.60 | |
|  Arguello Acuna, Graciela | | | 1548 * | CRC | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Marin Masis, Jose Esteban | | | 1665 | CRC | 0.50 | 1 | -0.34 | 20 | -6.80 | | | Castro Ulloa, Rolando | | | 1716 | CRC | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Tapia, Alexei | | | 2104 | PAN | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Fuentes, Adrian | f | | 2160 | PAN | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Fonseca Cabrera, Ernesto | | | 2184 | NCA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | * 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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