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Individual Calculations May 2021 |
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| Hwang, Ryan Total change: 40.80 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1484 | 1126 | 1.00 | 6 | 0.30 | 40 | 12.00 | |
|  Sole, Michael D | | | 1526 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Gold, Hamish R | | | 1526 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ackroyd, William | | | 1526 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Heyworth, Nicholas | | | 1526 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wang, Ying | | | 1272 | NZL | 1.00 | 1 | 0.70 | 40 | 28.00 | | | Kerr, Grant | | | 1526 * | NZL | 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) | | | | Auckland ANZAC Weekender 2021 | Auckland | NZL | 2021-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1427 | 1126 | 1.50 | 5 | 0.72 | 40 | 28.80 | |
| | Holdo, Karl | | | 1526 * | NZL | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Dharmasena, Gavith | | | 1526 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chen, Matthew | | | 1355 | NZL | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Tang, Tracy | | | 1320 | NZL | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Chang, Yolanda | | | 1408 | NZL | 0.50 | 1 | 0.34 | 40 | 13.60 | | | * 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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