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Individual Calculations December 2018 |
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| Weijermars, Tristan Total change: 5.20 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1564 | 1544 | 3.50 | 7 | 0.26 | 20 | 5.20 | |
|  Tefanis, Frank | | | 1944 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Panicker, Shanay | | | 1144 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Macfarlane, John D | | | 1733 | AUS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Mulligan, James | | | 1456 | AUS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Ashton, Neil | | | 1144 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Garner, Stephen J | | | 1723 | AUS | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Sirkka, Pertti T | | | 1806 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | * 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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