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Individual Calculations December 2018 |
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| Stern, David Total change: -48.40 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1354 | 1624 | 1.50 | 5 | -2.42 | 20 | -48.40 | |
|  Atanacio, Ricardo | | | 1786 | AUS | 0.00 | 1 | -0.29 | 20 | -5.80 | |  Allaire, David | | | 1229 | AUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Patel, Dhwani | | | 1307 | AUS | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Li, Joshua | | | 1224 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Ashton, Neil | | | 1224 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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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