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Individual Calculations September 2018 |
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| Tapia, Alexei Total change: -15.40 | |   |
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| Campeonato Nacional Amateur 2018 seccion sub-2300 | Panama | PAN | 2018-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 2208 | 2.50 | 5 | -0.77 | 20 | -15.40 | |
|  Ugarte, Reinaldo | c | | 1960 | PAN | 1.00 | 1 | 0.19 | 20 | 3.80 | |  Herrera Ortega, German Alejandro | c | | 2073 | VEN | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Ramos, Efren Andres | | | 2230 | PAN | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Mathews, Cesar | c | | 2090 | PAN | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Pineda, Juan Jose | f | | 2099 | NCA | 0.50 | 1 | -0.15 | 20 | -3.00 | |
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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