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Individual Calculations June 2018 |
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| Petruccioli, Antonio Total change: -26.80 | |   |
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| World Amateur Championship 2018 under 2000 | Cagliari | ITA | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 1974 | 4.50 | 9 | -1.34 | 20 | -26.80 | |
|  Boabaid, Jorge Alberto Duardes | c | | 1827 | BRA | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Pagano, Sergio | | | 1908 | ITA | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Hurtado Oldridge, Felipe | | | 1928 | ESP | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Cap, Piotr | | | 1896 | POL | 0.00 | 1 | -0.61 | 20 | -12.20 | | | Chan, Chak Man | c | | 1856 | HKG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Tardi, Oscar | | | 1797 | FRA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Zakharov, Denis | | | 1898 | RUS | 0.00 | 1 | -0.60 | 20 | -12.00 | | | Croes, Octavio | c | | 1814 | ARU | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Ingham, H William | | | 1840 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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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