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Individual Calculations February 2019 |
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| Watkins, Rachel Total change: 10.89 | |   |
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| 2019 Oceania Youth U20 Girls | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1330 | 1205 | 2.50 | 7 | 0.09 | 33 | 2.97 | |
|  Chen, Paula | | | 1565 | AUS | 0.00 | 1 | -0.10 | 33 | -3.30 | |  Ghadiali, Saasha | | | 1304 | NZL | 1.00 | 1 | 0.64 | 33 | 21.12 | | | Watkins, Bridgette | | | 1452 | AUS | 0.00 | 1 | -0.19 | 33 | -6.27 | | | Wong, Cern | | | 1239 | AUS | 0.50 | 1 | 0.05 | 33 | 1.65 | | | Yuan, Kimberley | | | 1220 | NZL | 0.00 | 1 | -0.48 | 33 | -15.84 | | | Ghadiali, Renae | | wc | 1265 | NZL | 0.00 | 1 | -0.42 | 33 | -13.86 | | | Prasad, Tanvi | | | 1267 | FIJ | 1.00 | 1 | 0.59 | 33 | 19.47 | |
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 |
| 1381 | 1205 | 2.00 | 9 | -0.57 | 33 | -18.81 | |
| | Tchitaev, Nina | | | 1487 | AUS | 0.00 | 1 | -0.16 | 33 | -5.28 | | | Jule, Elena | | | 1215 | AUS | 0.00 | 1 | -0.49 | 33 | -16.17 | | | Chan, Lyanna | | | 1264 | AUS | 0.00 | 1 | -0.42 | 33 | -13.86 | | | Yeung, Jennifer | | | 1235 | AUS | 1.00 | 1 | 0.54 | 33 | 17.82 | | | Watkins, Bridgette | | | 1452 | AUS | 0.50 | 1 | 0.31 | 33 | 10.23 | | | Kodituwakku, Imanya | | | 1463 | AUS | 0.50 | 1 | 0.32 | 33 | 10.56 | | | Lin, Emily | | | 1605 * | AUS | 0.00 | 1 | -0.08 | 33 | -2.64 | | | Hathiramani, Athena | | | 1361 | AUS | 0.00 | 1 | -0.29 | 33 | -9.57 | | | Watkins, Sophie | | | 1351 | AUS | 0.00 | 1 | -0.30 | 33 | -9.90 | | | * 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 FIDE Open | Gold Coast | AUS | 2019-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1527 | 1205 | 1.50 | 5 | 0.81 | 33 | 26.73 | |
| | Simic, Filip | | | 1455 | AUS | 0.00 | 1 | -0.19 | 33 | -6.27 | | | Stokes, Mark C | | | 1605 * | AUS | 1.00 | 1 | 0.92 | 33 | 30.36 | | | Ming, Kenny | | | 1421 | AUS | 0.50 | 1 | 0.28 | 33 | 9.24 | | | Wang, Eason | | | 1547 | AUS | 0.00 | 1 | -0.12 | 33 | -3.96 | | | Harris, Bruce | | | 1605 * | AUS | 0.00 | 1 | -0.08 | 33 | -2.64 | | | * 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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