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Individual Calculations July 2009 |
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| Sanchez, David Total change: -1.25 | |   |
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| XIII Grand Prix 6ta. Parada U-2000 | Quevedo | ECU | 2008-10-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1726 | 1.00 | 3 | 0.23 | 25 | 5.75 | |
|  Ojeda, Jose | | | 1981 | ECU | 0.00 | 1 | -0.19 | 25 | -4.75 | |  Ortiz Quishpi, Oscar | | | 1913 | ECU | 1.00 | 1 | 0.74 | 25 | 18.50 | | | Ortega Castillo, Maria Jose | | | 1862 | ECU | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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) | | | | Campeonato Nacional Masculino U-13 | Portoviejo | ECU | 2009-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1882 | 1713 | 0.00 | 1 | -0.28 | 25 | -7.00 | |
| | Barros, Cristhian | | | 1882 | ECU | 0.00 | 1 | -0.28 | 25 | -7.00 | |
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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