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Individual Calculations July 2018 |
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| Lam, Chun Yung Samuel Total change: 27.60 | |   |
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| Caissa Friday League Spring Open 2018 | Hong Kong | HKG | 2018-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1525 | 1268 | 1.00 | 4 | 0.03 | 40 | 1.20 | |
|  Rivas Vila, David | c | | 1668 * | ESP | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Uppal, Mahir | | | 1095 | HKG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Ho, In Hei Henry | | | 1668 * | HKG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Garceran Nieuwenburg, David | | | 1668 * | HKG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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) | | | | The Chess Academy Activekids Spring Open 2018 | Hong Kong | HKG | 2018-04-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1134 | 1268 | 2.00 | 2 | 0.66 | 40 | 26.40 | |
| | Gupta, Ritvik | | | 1039 | HKG | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Tyrrell, Lachlan Baly Hughes | | | 1229 | HKG | 1.00 | 1 | 0.45 | 40 | 18.00 | |
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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