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Individual Calculations July 2019 |
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| Shaffer, Alexander Total change: 4.60 | |   |
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| Campeonato de Puerto Rico 2019 | San Juan | PUR | 2019-05-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1833 | 1920 | 5.00 | 8 | 0.23 | 20 | 4.60 | |
|  Martinez Santiago, Fabian N. | | | 1520 * | PUR | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Requena Torres, Luis A. | | | 1712 | PUR | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Gonzalez Gonzalez, Enoel | | | 1807 | PUR | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Rodriguez Rosich, Carlos | | | 1588 | PUR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Freyre Forest, Jorge | c | | 2009 | PUR | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Matos Santoni, Gamalier | | | 1835 | PUR | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Torres Santiago, Jonathan | c | | 2175 | PUR | 0.50 | 1 | 0.31 | 20 | 6.20 | | | Davila Blanco, Juan Jose | c | | 2021 | PUR | 0.00 | 1 | -0.36 | 20 | -7.20 | | | * 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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