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Individual Calculations May 2021 |
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| Zhang, Kendrick Botong Total change: -75.60 | |   |
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| 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1809 | 1.50 | 5 | -1.78 | 40 | -71.20 | |
|  Xie, Felix | | | 2082 | NZL | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Qin, Oscar Shu Xuan | | | 1670 | NZL | 0.00 | 1 | -0.69 | 40 | -27.60 | | | Legner, James | | | 1544 | NZL | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Brockway, Andrew | | | 1650 | NZL | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Paetsch, Nicholas | | | 1456 | USA | 0.00 | 1 | -0.89 | 40 | -35.60 | |
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 |
| 1652 | 1809 | 4.00 | 6 | -0.11 | 40 | -4.40 | |
| | Somaraju, Sai Vivan Karthikeya | | | 1409 * | NZL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dharmasena, Kian | | | 1539 | ENG | 1.00 | 1 | 0.17 | 40 | 6.80 | | | Ang, Alphaeus Wei Ern | f | | 2209 * | NZL | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Park-Tamati, Philli | | | 1639 | NZL | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Weng, Xintong (winston) | | | 1705 | NZL | 0.00 | 1 | -0.64 | 40 | -25.60 | | | Zhu, David Junyang | | | 1409 * | 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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