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Individual Calculations November 2009 |
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| Bertolini, Ettore Total change: -5.75 | |   |
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| OP Borghi di Perugia | Perugia | ITA | 2009-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 1843 | 1.00 | 4 | -0.23 | 25 | -5.75 | |
|  Caruso, Augusto | | | 2240 | ITA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Ognibene, Piero | | | 1937 | ITA | 0.50 | 1 | 0.13 | 25 | 3.25 | |  Urzi, Silvio | | | 1808 | ITA | 0.00 | 1 | -0.55 | 25 | -13.75 | | | Tanasa, Remus | | | 2054 | ROU | 0.50 | 1 | 0.27 | 25 | 6.75 | |
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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