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Individual Calculations April 2009 |
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| Vidal Perez, Ramon Total change: -4.35 | |   |
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| COPA INTERCLUBES ENDESA-FUNDACION CHILENA DE AJEDREZ 2007 | Santiago | CHI | 2007-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2120 | 0.50 | 2 | -0.29 | 15 | -4.35 | |
|  Bombardiere Rosas, Eduardo | f | | 2280 | CHI | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Henriquez Villagra, Cristobal | | | 2117 | CHI | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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