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Individual Calculations May 2011 |
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| Valencia, Andres Total change: 2.50 | |   |
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| XV Grand Prix Nacional 7ma. Parada 2010 CategorÃa U-2100 | Santo Domingo | ECU | 2010-10-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1659 | 1600 | 1.00 | 2 | 0.10 | 25 | 2.50 | |
|  Quispe, Julio | | | 1961 | PER | 0.00 | 1 | -0.10 | 25 | -2.50 | | | Villarroel, Sofia | | | 1357 | ECU | 1.00 | 1 | 0.20 | 25 | 5.00 | |
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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