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Individual Calculations May 2021 |
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| Qin, Oscar Shu Xuan Total change: 96.40 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1894 | 1670 | 3.50 | 7 | 1.91 | 40 | 76.40 | |
|  Cilia Vincenti, David | c | | 2070 * | MLT | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zhang, Kendrick Botong | | | 1809 | NZL | 1.00 | 1 | 0.69 | 40 | 27.60 | |  Ning, Isabelle Yixuan | | wc | 1808 | NZL | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Johnson, Quentin J F | | | 1975 | NZL | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Forster, William | c | | 1854 | NZL | 1.00 | 1 | 0.74 | 40 | 29.60 | | | Nyberg, Michael | | | 1904 | NZL | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Suazo, Benedict | | | 1839 | NZL | 0.00 | 1 | -0.28 | 40 | -11.20 | | | * 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) | | | | Auckland ANZAC Weekender 2021 | Auckland | NZL | 2021-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1670 | 4.00 | 6 | 0.50 | 40 | 20.00 | |
| | Gan, Emily | | | 1270 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Ang, Alphaeus Wei Ern | f | | 2070 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Somaraju, Sai Vivan Karthikeya | | | 1270 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Holdo, Karl | | | 1613 | NZL | 1.00 | 1 | 0.42 | 40 | 16.80 | | | McLaren, Leonard | f | | 2070 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zhao, Jay Zi Xuan | | | 1270 * | NZL | 1.00 | 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) | | |
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