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Individual Calculations February 2019 |
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| Watkins, Bridgette Total change: -36.72 | |   |
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| 2019 Oceania Youth U20 Girls | Auckland | NZL | 2019-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1452 | 3.50 | 8 | -0.08 | 36 | -2.88 | |
|  Punsalan, Vyanla M | | wf | 1852 * | NZL | 0.00 | 1 | -0.08 | 36 | -2.88 | |  Ghadiali, Renae | | wc | 1265 | NZL | 1.00 | 1 | 0.26 | 36 | 9.36 | | | Watkins, Rachel | | | 1205 | AUS | 1.00 | 1 | 0.19 | 36 | 6.84 | | | Guo, Zhi Lin | | wf | 1852 * | AUS | 0.00 | 1 | -0.08 | 36 | -2.88 | | | Lagikula, Humble | | | 1759 | FRA | 0.50 | 1 | 0.36 | 36 | 12.96 | | | Watkins, Sophie | | | 1351 | AUS | 0.00 | 1 | -0.64 | 36 | -23.04 | | | Braganza, Nadia | | wc | 1531 | NZL | 0.00 | 1 | -0.39 | 36 | -14.04 | | | Ghadiali, Saasha | | | 1304 | NZL | 1.00 | 1 | 0.30 | 36 | 10.80 | | | * 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 |
| 1419 | 1452 | 4.50 | 9 | -0.41 | 36 | -14.76 | |
| | Hathiramani, Athena | | | 1361 | AUS | 0.00 | 1 | -0.62 | 36 | -22.32 | | | Lu, Lillian | | | 1676 | AUS | 1.00 | 1 | 0.78 | 36 | 28.08 | | | Watkins, Sophie | | | 1351 | AUS | 0.50 | 1 | -0.14 | 36 | -5.04 | | | Tchitaev, Nina | | | 1487 | AUS | 0.00 | 1 | -0.45 | 36 | -16.20 | | | Watkins, Rachel Jane | | | 1205 | AUS | 0.50 | 1 | -0.31 | 36 | -11.16 | | | Yeung, Jennifer | | | 1235 | AUS | 0.00 | 1 | -0.78 | 36 | -28.08 | | | Kodituwakku, Imanya | | | 1463 | AUS | 1.00 | 1 | 0.52 | 36 | 18.72 | | | Chan, Lyanna | | | 1264 | AUS | 1.00 | 1 | 0.26 | 36 | 9.36 | | | Middleton, Jody | | | 1729 | AUS | 0.50 | 1 | 0.33 | 36 | 11.88 | |
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 |
| 1436 | 1452 | 0.50 | 2 | -0.53 | 36 | -19.08 | |
| | Weller, Tony | | | 1750 | AUS | 0.00 | 1 | -0.15 | 36 | -5.40 | | | Relekar, Kanak | | | 1121 | AUS | 0.50 | 1 | -0.38 | 36 | -13.68 | |
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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