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Individual Calculations January 2009 |
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| Vittadini, Attilio Total change: -12.00 | |   |
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| OP Memorial Molinari | Milano | ITA | 2008-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1881 | 1877 | 1.50 | 4 | -0.48 | 25 | -12.00 | |
|  Nardone, Massimo | | | 1920 | ITA | 0.00 | 1 | -0.44 | 25 | -11.00 | | | Margstahler, Francesco | | | 1768 | ITA | 1.00 | 1 | 0.35 | 25 | 8.75 | |  Villalba, Fernando | | | 1934 | ITA | 0.50 | 1 | 0.08 | 25 | 2.00 | | | Bisignano, Giuseppe | | | 1902 | ITA | 0.00 | 1 | -0.47 | 25 | -11.75 | |
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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