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Individual Calculations September 2009 |
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| Bifulco, Michel Total change: -31.00 | |   |
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| Campionato Italiano under 16 | Courmayeur | ITA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 2015 | 4.00 | 7 | -1.16 | 25 | -29.00 | |
|  Montani, Riccardo | | | 1788 | ITA | 0.00 | 1 | -0.79 | 25 | -19.75 | | | Mortola, Francesco | | | 1802 | ITA | 1.00 | 1 | 0.23 | 25 | 5.75 | |  Melone, Antonio | | | 1842 | ITA | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Gregori, Giuliano | | | 1879 | ITA | 0.00 | 1 | -0.68 | 25 | -17.00 | | | Wieser, Josef | | | 1854 | ITA | 0.50 | 1 | -0.21 | 25 | -5.25 | | | Sorbera, Enrico | | | 1736 | ITA | 1.00 | 1 | 0.16 | 25 | 4.00 | | | Cantoro, Daniele | | | 1915 | ITA | 0.50 | 1 | -0.14 | 25 | -3.50 | |
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) | | | | OP XVII N. La Rosa | Mazara del Vallo | ITA | 2009-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2216 | 2015 | 0.50 | 2 | -0.08 | 25 | -2.00 | |
| | Naumkin, Igor | g | | 2415 * | RUS | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Bertino, Giacomo | | | 2017 | ITA | 0.50 | 1 | 0.00 | 25 | 0.00 | | | * 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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