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Individual Calculations December 2017 |
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| Vowles, Justin Total change: 5.80 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1762 | 1733 | 4.00 | 8 | 0.29 | 20 | 5.80 | |
|  Smyrk, Martin | | | 1333 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Charles, Gareth | | | 2085 | AUS | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Chiara, Vince | | | 1475 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Stern, David | | | 1664 | AUS | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Willathgamuwa, Kevin | c | | 1997 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Kolotas, Harry | | | 1648 | AUS | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Dekic, Biljana N | | wm | 1968 | AUS | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Hutchings, Frank P | | | 1926 | AUS | 0.00 | 1 | -0.25 | 20 | -5.00 | | | * 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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