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Individual Calculations December 2019 |
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| Anup Kumar, Vihaan Total change: -7.20 | |   |
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| 2019 Rooty Hill Chess Championships Div D | Sydney | AUS | 2019-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1421 | 1475 | 4.50 | 8 | -0.09 | 40 | -3.60 | |
|  Wang, Daniel (zhiyi) | | | 1357 | AUS | 0.00 | 1 | -0.66 | 40 | -26.40 | |  Rupasinghe, Chanya | | | 1346 | AUS | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Gao, Terry | | | 1365 | AUS | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Jayaratne, Dilan | | | 1391 | SRI | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Yap, Jonathan | | | 1415 | AUS | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Faizal, Shaheel | | | 1477 | AUS | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Wu, Yifu | | | 1527 | AUS | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Wen, Aiden | | | 1487 | AUS | 0.50 | 1 | 0.02 | 40 | 0.80 | |
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 Norths John Purdy Memorial Open | Sydney | AUS | 2019-09-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1522 | 1475 | 2.00 | 5 | -0.09 | 40 | -3.60 | |
| | Cregan, Robert | | | 1728 | AUS | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Li, Annabel | | | 1075 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Greenwood, Norman | | | 1583 | AUS | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Huey, Toby | | | 1590 | AUS | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Munk, Leon | | | 1634 | AUS | 1.00 | 1 | 0.71 | 40 | 28.40 | | | * 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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