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Individual Calculations July 2010 |
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| Costi, Giorgio Total change: 4.25 | |   |
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| OP XV Memorial Bertolini | Genova | ITA | 2010-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1737 | 1972 | 2.50 | 3 | 0.17 | 25 | 4.25 | |
|  Lanni, Vincenzo | | | 1809 | ITA | 0.50 | 1 | -0.22 | 25 | -5.50 | |  Christen, Peter Walter | | | 1572 * | ITA | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Gandolfi, Gianfranco | | | 1829 | ITA | 1.00 | 1 | 0.31 | 25 | 7.75 | | | * 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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