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Individual Calculations December 2017 |
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| Lau, Joe Yiu-Cho Total change: 20.00 | |   |
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| Hong Kong Open Championships 2017 | Hong Kong | HKG | 2017-10-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1651 | 1549 | 3.00 | 5 | 1.00 | 20 | 20.00 | |
|  Luk, Luen-Wah | f | | 1925 | HKG | 0.50 | 1 | 0.41 | 20 | 8.20 | |  Lam, Emmett Michael | | | 1360 | HKG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Deng, Yu Dong Michael | c | | 1723 | HKG | 0.00 | 1 | -0.27 | 20 | -5.40 | | | Cheng, Justin Hong-Chen | | | 1298 | HKG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Pang, Yui Kuen | c | | 1949 * | HKG | 1.00 | 1 | 0.92 | 20 | 18.40 | | | * 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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