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Individual Calculations February 2019 |
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| Watkins, Sophie Total change: 163.35 | |   |
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| 2019 Oceania Youth U20 Girls | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1351 | 3.50 | 8 | 1.01 | 33 | 33.33 | |
|  Guo, Zhi Lin | | wf | 1751 * | AUS | 0.00 | 1 | -0.08 | 33 | -2.64 | |  Wong, Cern | | | 1239 | AUS | 1.00 | 1 | 0.35 | 33 | 11.55 | | | Lu, Lillian | | | 1676 | AUS | 0.50 | 1 | 0.37 | 33 | 12.21 | | | Wong, Ern | | | 1177 | AUS | 1.00 | 1 | 0.27 | 33 | 8.91 | | | Chen, Paula | | | 1565 | AUS | 0.00 | 1 | -0.23 | 33 | -7.59 | | | Watkins, Bridgette | | | 1452 | AUS | 1.00 | 1 | 0.64 | 33 | 21.12 | | | Ge, Eva | | | 1599 | AUS | 0.00 | 1 | -0.19 | 33 | -6.27 | | | Yan, Caroline | | | 1680 | NZL | 0.00 | 1 | -0.12 | 33 | -3.96 | | | * 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) | | | | 2019 Australian Junior Championship U16 & U18 Girls | Sydney | AUS | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1433 | 1351 | 6.00 | 9 | 2.30 | 33 | 75.90 | |
| | Middleton, Jody | | | 1729 | AUS | 0.00 | 1 | -0.09 | 33 | -2.97 | | | Yeung, Jennifer | | | 1235 | AUS | 1.00 | 1 | 0.34 | 33 | 11.22 | | | Watkins, Bridgette | | | 1452 | AUS | 0.50 | 1 | 0.14 | 33 | 4.62 | | | Hathiramani, Athena | | | 1361 | AUS | 1.00 | 1 | 0.51 | 33 | 16.83 | | | Lin, Emily | | | 1663 | AUS | 0.00 | 1 | -0.14 | 33 | -4.62 | | | Chan, Lyanna | | | 1264 | AUS | 1.00 | 1 | 0.38 | 33 | 12.54 | | | Cheng, Amanda | | | 1388 | AUS | 1.00 | 1 | 0.55 | 33 | 18.15 | | | Ge, Eva | | | 1599 | AUS | 0.50 | 1 | 0.31 | 33 | 10.23 | | | Watkins, Rachel Jane | | | 1205 | AUS | 1.00 | 1 | 0.30 | 33 | 9.90 | |
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) | | | | 2019 FIDE Open | Gold Coast | AUS | 2019-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1736 | 1351 | 2.00 | 4 | 1.64 | 33 | 54.12 | |
| | Stokes, Mark C | | | 1692 | AUS | 1.00 | 1 | 0.88 | 33 | 29.04 | | | Weller, Tony | | | 1750 | AUS | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Lovejoy, David | | | 1751 * | AUS | 0.50 | 1 | 0.42 | 33 | 13.86 | | | Lee, Joshua | | | 1751 * | AUS | 0.50 | 1 | 0.42 | 33 | 13.86 | | | * 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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