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Individual Calculations February 2019 |
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| Ning, Isabelle Yixuan Total change: 101.50 | |   |
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| 2019 Oceania Youth U12 Girls | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1192 | 1453 | 4.50 | 7 | -1.16 | 35 | -40.60 | |
|  Tao, Zoe | | | 1151 | AUS | 1.00 | 1 | 0.15 | 35 | 5.25 | | | Chang, Sophie | | | 1344 | AUS | 1.00 | 1 | 0.35 | 35 | 12.25 | |  Retnaraja, Athena-Malar | | | 1301 | AUS | 0.00 | 1 | -0.70 | 35 | -24.50 | | | Xu, Hannah | | | 1077 | NZL | 1.00 | 1 | 0.09 | 35 | 3.15 | | | Yang, Melody | | | 1100 | AUS | 1.00 | 1 | 0.11 | 35 | 3.85 | | | Thurner, Anya | | | 1173 | NZL | 0.50 | 1 | -0.34 | 35 | -11.90 | | | Feng, Angela | | | 1196 | AUS | 0.00 | 1 | -0.82 | 35 | -28.70 | |
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) | | | | NZ Major Open 2019 | Auckland | NZL | 2019-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1677 | 1453 | 3.50 | 8 | 1.57 | 35 | 54.95 | |
| | Gold, Hamish R | | | 1752 | NZL | 1.00 | 1 | 0.85 | 35 | 29.75 | | | Gibbons, Robert E | f | | 1853 * | NZL | 0.00 | 1 | -0.08 | 35 | -2.80 | | | Rains, Timothy | c | | 1834 | NZL | 1.00 | 1 | 0.91 | 35 | 31.85 | | | He, Caleb | | | 1718 | NZL | 0.00 | 1 | -0.18 | 35 | -6.30 | | | Burgess, Ken | | | 1634 | NZL | 0.00 | 1 | -0.26 | 35 | -9.10 | | | Liu, Xinyang | | | 1712 | NZL | 0.50 | 1 | 0.32 | 35 | 11.20 | | | Ha, Huy Minh (timothy) | | | 1682 | NZL | 0.00 | 1 | -0.21 | 35 | -7.35 | | | Li, Leo Xiang Yu | | | 1231 | NZL | 1.00 | 1 | 0.22 | 35 | 7.70 | | | * 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 Anniversary Weekend 2019 | Auckland | NZL | 2019-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1453 | 3.00 | 5 | 2.49 | 35 | 87.15 | |
| | Nagorski, Alex | c | | 1817 | NZL | 1.00 | 1 | 0.90 | 35 | 31.50 | | | Krstev, Antonio | | | 1853 * | NZL | 0.00 | 1 | -0.08 | 35 | -2.80 | | | Buciu, Aurel-John | c | | 1756 | AUS | 1.00 | 1 | 0.86 | 35 | 30.10 | | | Lim, Benjamin U | c | | 1853 * | NZL | 0.00 | 1 | -0.08 | 35 | -2.80 | | | Post, Martin | | | 1799 | NZL | 1.00 | 1 | 0.89 | 35 | 31.15 | | | * 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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