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Individual Calculations January 2011 |
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| Arbore, Daniele Total change: 14.25 | |   |
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| World Youth Chess Championships 2010 - Open under 10 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1893 | 1684 | 0.50 | 2 | -0.02 | 25 | -0.50 | |
|  Acosta, Cubides Jorian Jared | c | | 2039 | COL | 0.50 | 1 | 0.39 | 25 | 9.75 | |  Oliveira, Tiago Lopes | | | 1747 | BRA | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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) | | | | WE 19 Palestrina | Palestrina | ITA | 2010-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1946 | 1684 | 1.00 | 2 | 0.59 | 25 | 14.75 | |
| | Maggi, Fabrizio | | | 2084 * | ITA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Vannelli, Vittorio | | | 1807 | ITA | 1.00 | 1 | 0.67 | 25 | 16.75 | | | * 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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