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Individual Calculations April 2019 |
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| Shaffer, Alexander Total change: 1.20 | |   |
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| VIII Memorial Hermanos Colon Romero Categoria A | San Juan | PUR | 2019-03-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1919 | 3.00 | 5 | 0.06 | 20 | 1.20 | |
|  Gonzalez Vidal, Yuri | g | | 2319 * | CUB | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Schwabe Rivera, Ulrich | | | 1629 | PUR | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Ortiz Colon, Vladimir S. | | | 1519 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ortiz Gonzalez, Dario W. | | | 1715 | PUR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Davila Blanco, Juan Jose | c | | 2033 | PUR | 1.00 | 1 | 0.66 | 20 | 13.20 | | | * 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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