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Individual Calculations January 2011 |
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| Lappalainen, Matias Total change: -3.25 | |   |
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| World Youth Chess Championships 2010 - Open under 12 | Porto Carras, Chalkidiki - Greece | GRE | 2010-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1777 | 1.50 | 4 | -0.13 | 25 | -3.25 | |
|  Ghosh, Diptayan | f | | 2177 * | IND | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Williams, Justus D | | | 2155 | USA | 0.00 | 1 | -0.09 | 25 | -2.25 | |  Martins, Guilherme Pires Tavare | | | 1561 | POR | 0.50 | 1 | -0.28 | 25 | -7.00 | | | Jang, Jaewon | | | 1641 | KOR | 1.00 | 1 | 0.32 | 25 | 8.00 | | | * 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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