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Individual Calculations April 2009 |
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| Juaristi Izaga, Jose Ignacio Total change: -8.25 | |   |
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| Campeonato de Guipuzcoa de Veteranos | Donostia San Sebastian | ESP | 2008-12-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1519 | 0.50 | 3 | -0.55 | 15 | -8.25 | |
|  Tholey, Jean-Paul | | | 1869 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Portugal Sarasola, Martin | | | 1632 | ESP | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Irulegi Garmendia, Jose Antonio | | | 1452 | ESP | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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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