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Individual Calculations January 2011 |
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| Santeramo, Alessia C Total change: -81.80 | |   |
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| World Youth Chess Championships 2010 - Girls under 12 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1624 | 1749 | 2.00 | 8 | -3.32 | 25 | -83.00 | |
|  Wozniak, Mariola | | | 1723 | POL | 0.00 | 1 | -0.54 | 25 | -13.50 | |  Ghaemmaghami, Pegah | | | 1562 | IRI | 0.50 | 1 | -0.24 | 25 | -6.00 | | | Oreshko, Mariya | | | 1639 | USA | 0.00 | 1 | -0.65 | 25 | -16.25 | | | Iliopoulou, Elisavet | | | 1624 | GRE | 1.00 | 1 | 0.33 | 25 | 8.25 | | | Narva, Mai | | | 1503 | EST | 0.00 | 1 | -0.81 | 25 | -20.25 | | | Moshou, Alexia | | | 1678 | GRE | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Keskin, Suara | | | 1651 | TUR | 0.00 | 1 | -0.63 | 25 | -15.75 | | | Valyi, Blanka Borbala | | | 1614 | HUN | 0.00 | 1 | -0.68 | 25 | -17.00 | |
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) | | | NOTE: K factor changed | | CP BAT | Barletta | ITA | 2010-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1749 | 0.50 | 2 | 0.08 | 15 | 1.20 | |
| | Altini, Nicola | | | 2149 * | ITA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Abbatantuono, Oscar | | | 1869 | ITA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | * 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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