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Individual Calculations December 2017 |
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| Stern, David Total change: -45.00 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1664 | 0.00 | 5 | -2.25 | 20 | -45.00 | |
|  Siva Sankaran, Anup Kumar | | | 1828 | IND | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Vowles, Justin | | | 1733 | AUS | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Dibley, Shane E | | | 1728 | AUS | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Sirkka, Pertti T | | | 1865 | AUS | 0.00 | 1 | -0.24 | 20 | -4.80 | |  Hii, Ryan | | | 1264 * | AUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | * 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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