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Individual Calculations September 2009 |
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| Obsusta, Stefan Total change: -8.25 | |   |
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| Arad Open 2009 | Arad | ROU | 2009-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1642 | 0.00 | 4 | -0.33 | 25 | -8.25 | |
|  Ciobanu, Aurelian | | | 2042 * | ROU | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Costin, Petrica | | | 2042 * | ROU | 0.00 | 1 | -0.08 | 25 | -2.00 | |  Bartha, Andrei | | | 2031 | ROU | 0.00 | 1 | -0.09 | 25 | -2.25 | | | Petro, Jozsef | | | 2042 * | HUN | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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