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Individual Calculations May 2021 |
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| Zhang, Jasmine Haomo Total change: 11.16 | |   |
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| 2021 North Shore Summer Cup | Auckland | NZL | 2021-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1973 | 4.50 | 6 | -0.07 | 36 | -2.52 | |
|  Zhang, Yaoyuan | | | 1573 * | NZL | 1.00 | 1 | 0.08 | 36 | 2.88 | |  Braganza, Nadia | | wc | 1645 | NZL | 0.50 | 1 | -0.37 | 36 | -13.32 | | | Holdaway, Steven | | | 1659 | NZL | 1.00 | 1 | 0.14 | 36 | 5.04 | | | Li, Andrew | | | 1573 * | NZL | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Xie, Felix | | | 2082 | NZL | 0.00 | 1 | -0.35 | 36 | -12.60 | | | Johns, Daniel P | | | 1865 | NZL | 1.00 | 1 | 0.35 | 36 | 12.60 | | | * 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) | | | | 2021 North Island Championship | Wellington | NZL | 2021-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1954 | 4.50 | 7 | 0.78 | 36 | 28.08 | |
| | Park-Tamati, Philli | | | 1639 | NZL | 1.00 | 1 | 0.14 | 36 | 5.04 | | | Dive, Russell J | m | | 2260 | NZL | 0.00 | 1 | -0.14 | 36 | -5.04 | | | Wang, Aaron Ziwen | | | 1635 | NZL | 1.00 | 1 | 0.13 | 36 | 4.68 | | | Suazo, Benedict | | | 1839 | NZL | 1.00 | 1 | 0.34 | 36 | 12.24 | | | Wastney, Scott | f | | 2306 | NZL | 0.50 | 1 | 0.39 | 36 | 14.04 | | | Steadman, Michael V R | f | | 2157 | NZL | 0.00 | 1 | -0.24 | 36 | -8.64 | | | Van Der Hoorn, Thomas | | | 1671 | NZL | 1.00 | 1 | 0.16 | 36 | 5.76 | |
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 |
| 1750 | 1954 | 4.00 | 6 | -0.40 | 36 | -14.40 | |
| | Ng, Lauren | | | 1554 * | NZL | 1.00 | 1 | 0.08 | 36 | 2.88 | | | Crombie, William | | | 1600 | NZL | 1.00 | 1 | 0.11 | 36 | 3.96 | | | Weng, Xintong (winston) | | | 1705 | NZL | 1.00 | 1 | 0.19 | 36 | 6.84 | | | Ang, Alphaeus Wei Ern | f | | 2265 | NZL | 0.00 | 1 | -0.14 | 36 | -5.04 | | | Mao, Daqi | | | 1729 | NZL | 0.00 | 1 | -0.78 | 36 | -28.08 | | | Braganza, Nadia | | wc | 1648 | NZL | 1.00 | 1 | 0.14 | 36 | 5.04 | | | * 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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