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Individual Calculations January 2011 |
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| Xiong, Jeffery Total change: 25.05 | |   |
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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 |
| 1801 | 1824 | 3.50 | 5 | 0.85 | 15 | 12.75 | |
|  Koziol, Kamil | | | 1714 | POL | 0.00 | 1 | -0.65 | 15 | -9.75 | | | Haring, Viktor | | | 1893 | SVK | 1.00 | 1 | 0.60 | 15 | 9.00 | |  Djordjevic, Vuk | | | 1826 | SRB | 1.00 | 1 | 0.50 | 15 | 7.50 | | | He, Tommy O | f | | 1830 | USA | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Gupta, Bhaskar | | | 1742 | IND | 0.50 | 1 | -0.11 | 15 | -1.65 | |
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) | | | | DFW FIDE Open VII | Richardson, Texas | USA | 2010-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2116 | 1855 | 1.50 | 3 | 0.82 | 15 | 12.30 | |
| | He, Tommy O | f | | 1839 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Chirila, Ioan Cristian | g | | 2255 * | ROU | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Vedrickas, Tautvydas | f | | 2255 * | LTU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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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