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Individual Calculations January 2011 |
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| Piattelli, Marco Total change: 22.00 | |   |
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| OP Santa Cecilia - B | Rocca Priora | ITA | 2010-11-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1755 | 2.50 | 3 | 0.88 | 25 | 22.00 | |
|  Carlacci, Umberto | | | 1710 | ITA | 0.50 | 1 | -0.06 | 25 | -1.50 | |  Carboni, Enrico | | | 1689 | ITA | 1.00 | 1 | 0.41 | 25 | 10.25 | | | Urzi, Silvio | | | 1774 | ITA | 1.00 | 1 | 0.53 | 25 | 13.25 | |
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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