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Individual Calculations July 2015 |
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| Osa Astrain, Ricardo Total change: 11.20 | |   |
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| XI Open de Primavera de Gros | Donostia | ESP | 2015-04-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1735 | 1882 | 4.00 | 5 | 0.56 | 20 | 11.20 | |
|  Villar Marcelino, Gorka | | | 1720 | ESP | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Zubia Aramburu, Mikel | | | 1757 | ESP | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Regillaga Otano, Jon | | | 1765 | ESP | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Fuente San Sebastian, Ernesto | | | 1842 | ESP | 1.00 | 1 | 0.44 | 20 | 8.80 | | | Moreno Estebanez, Patxi | | | 1592 | ESP | 0.50 | 1 | -0.34 | 20 | -6.80 | |
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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