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Individual Calculations May 2012 |
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| Osa Astrain, Ricardo Total change: 25.50 | |   |
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| Campeonato de Gipuzkoa por Equipos 2012 - Preferente | Donostia | ESP | 2012-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1926 | 1889 | 3.50 | 4 | 1.70 | 15 | 25.50 | |
|  Nogues Fernandez, Ramon | | | 1941 | ESP | 0.50 | 1 | 0.07 | 15 | 1.05 | |  Puga Senar, Fernando | | | 1788 | ESP | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Ruiz Martinez, Isidro | | | 2016 | ESP | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Lauroba Elizaran, Fermin | | | 1958 | ESP | 1.00 | 1 | 0.60 | 15 | 9.00 | |
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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