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Individual Calculations January 2011 |
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| Tabatabaei, M Amin Total change: 20.85 | |   |
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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 |
| 1852 | 1779 | 3.00 | 4 | 1.39 | 15 | 20.85 | |
|  Costachi, Mihnea | | | 1839 | ROU | 1.00 | 1 | 0.58 | 15 | 8.70 | |  He, Tommy O | f | | 1830 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Nigmatov, Ortik | | | 1890 | UZB | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Omidi, Arya | | | 1847 | IRI | 1.00 | 1 | 0.59 | 15 | 8.85 | |
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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