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Individual Calculations November 2011 |
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| Alvarez Orta, Jo Ann Total change: -6.90 | |   |
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| North Open Bolivar Morales 2011 Section U-1900 | Hatillo | PUR | 2011-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1688 | 1781 | 0.00 | 1 | -0.63 | 15 | -9.45 | |
|  Vega Adorno, Cristobal | | | 1688 | PUR | 0.00 | 1 | -0.63 | 15 | -9.45 | |
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) | | | | Central American & Caribbean Youth Championship Boys U-18 | San Juan | PUR | 2011-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1781 | 1.00 | 2 | 0.17 | 15 | 2.55 | |
|  Rodriguez Labrador, Marco | | | 1854 | PUR | 1.00 | 1 | 0.60 | 15 | 9.00 | | | Smith, Alpacino | | | 1829 | TRI | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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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