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Individual Calculations May 2021 |
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| Ha, Huy Minh (timothy) Total change: 6.80 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1715 | 2.00 | 4 | 0.60 | 20 | 12.00 | |
|  Rossiter, Philip E | | | 1686 | NZL | 1.00 | 1 | 0.46 | 20 | 9.20 | |  Ker, Anthony F | m | | 2115 * | NZL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Winter, Ryan | | | 1965 | NZL | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Brockway, Andrew | | | 1650 | NZL | 1.00 | 1 | 0.41 | 20 | 8.20 | | | * 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 |
| 1517 | 1715 | 4.00 | 6 | -0.26 | 20 | -5.20 | |
| | Barnett-Harris, Lucas | | | 1315 * | NZL | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Chen, Matthew | | | 1355 | NZL | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Ning, Isabelle Yixuan | | wc | 1808 | NZL | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Dharmasena, Gavith | | | 1770 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Somaraju, Sai Vivan Karthikeya | | | 1315 * | NZL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Dharmasena, Kian | | | 1539 | ENG | 1.00 | 1 | 0.27 | 20 | 5.40 | | | * 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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