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Individual Calculations April 2009 |
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| Heras Bolanos, Jhann Total change: 29.25 | |   |
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| XIV Grand Prix, Segunda Parada | Guayaquil | ECU | 2009-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2067 | 1831 | 2.00 | 4 | 1.17 | 25 | 29.25 | |
|  Romero Echeverria, Abigail | | | 2057 | ECU | 1.00 | 1 | 0.79 | 25 | 19.75 | | | Ocana Briones, Eduardo | | | 2142 | ECU | 0.00 | 1 | -0.14 | 25 | -3.50 | |  Chiluisa Fuertes, Mario | | | 2055 | ECU | 0.00 | 1 | -0.22 | 25 | -5.50 | | | Guartambel, Jorge | | | 2014 | ECU | 1.00 | 1 | 0.74 | 25 | 18.50 | |
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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