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Individual Calculations July 2009 |
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| De La Rosa, Willy Total change: 17.25 | |   |
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| II La Vega Open Internacional 2009 | La Vega | DOM | 2009-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2022 | 2.00 | 5 | 0.69 | 25 | 17.25 | |
|  Becerra Rivero, Julio | g | | 2372 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | | | Rodriguez, Jose | | | 2187 | DOM | 0.00 | 1 | -0.28 | 25 | -7.00 | | | Nunez, Joel | | | 2094 | DOM | 1.00 | 1 | 0.60 | 25 | 15.00 | |  Michelen, Victor Isaac | | | 2098 | DOM | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Dominguez, Jose M | m | | 2353 | DOM | 0.00 | 1 | -0.12 | 25 | -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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