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Individual Calculations April 2019 |
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| Lam, Chun Yung Samuel Total change: 77.60 | |   |
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| Hong Kong Chess Championships 2018 Round 8 to 11 | Hong Kong | HKG | 2019-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1137 | 1330 | 3.00 | 3 | 0.76 | 40 | 30.40 | |
|  Desrosiers, Cyrano | | | 1192 | HKG | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Pu, Ethan | | | 1057 | HKG | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Lee, Wing Kin | | | 1162 | HKG | 1.00 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | Caissa 5th Winter Sunday Open 2019 | Hong Kong | HKG | 2019-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1547 | 1330 | 2.50 | 5 | 1.18 | 40 | 47.20 | |
| | Llaneza Vega, Marcos | m | | 1730 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Kadam, Aaditya Vivek | | | 1211 | HKG | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Lopez De Anda, Edgar | | | 1617 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Garceran Nieuwenburg, David | | | 1717 | HKG | 1.00 | 1 | 0.91 | 40 | 36.40 | | | Lee, Gerent, Chak Yan | | | 1459 | HKG | 0.50 | 1 | 0.17 | 40 | 6.80 | | | * 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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