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Individual Calculations March 2017 |
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| Velazquez Hernandez, Yan C. Total change: -4.20 | |   |
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| 4ta. Copa Amateur de Puerto Rico | Bayamon | PUR | 2017-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1360 | 1675 | 1.50 | 2 | -0.21 | 20 | -4.20 | |
|  Ortiz Bigio, Antonio L. | | | 1275 * | PUR | 0.50 | 1 | -0.42 | 20 | -8.40 | |  Ortiz Colon, Vladimir S. | | | 1444 | PUR | 1.00 | 1 | 0.21 | 20 | 4.20 | | | * 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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