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Individual Calculations October 2008 |
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| Yu, Melvin Total change: -4.65 | |   |
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| Hong Kong Chess Championship 2008 Finals | HKG | HKG | 2008-04-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1949 | 3.00 | 8 | -0.41 | 15 | -6.15 | |
|  Yu, Marco | | | 1992 | HKG | 0.50 | 1 | 0.06 | 15 | 0.90 | |  Tsang, Hon Ki | | | 2138 | HKG | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Chong, Chor Yuen | | | 2038 | HKG | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Chong, David | | | 2021 | HKG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Corke, Anya | | wg | 2250 | HKG | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Lo, Cheuk Wai | | | 1693 | HKG | 1.00 | 1 | 0.19 | 15 | 2.85 | | | Dew, Brian | f | | 2244 | HKG | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Lam, Mingo | | | 1673 | HKG | 0.50 | 1 | -0.33 | 15 | -4.95 | |
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) | | | | 4th World Schools Chess Championships 2008 -Open U17 | Singapore | SIN | 2008-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1949 | 3.00 | 7 | 0.10 | 15 | 1.50 | |
| | Chua, Zheng Yuan Terry | f | | 2128 | SIN | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Lo, Kin Mun Dominic | f | | 2123 | SIN | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Rian, Kapriaga | f | | 2061 | INA | 0.50 | 1 | 0.15 | 15 | 2.25 | | | Zayed, Ali Al-Hamed | | | 1750 | UAE | 0.50 | 1 | -0.26 | 15 | -3.90 | | | Hattingh, Angelique | | | 1835 | RSA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Koh, Jonathan | | | 2124 | SIN | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Khouri, Ibrahim Mohamed | f | | 2083 | UAE | 0.00 | 1 | -0.32 | 15 | -4.80 | |
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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