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Individual Calculations December 2014 |
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| Webster, David Total change: 6.00 | |   |
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| 2014 John Purdy Memorial Open | Sydney | AUS | 2014-09-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1974 | 6.50 | 9 | 0.30 | 20 | 6.00 | |
|  Pepping, John M | | | 1591 | AUS | 1.00 | 1 | 0.09 | 20 | 1.80 | |  Dickson, Ian | | | 1737 | AUS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Vowles, Justin | | | 1805 | AUS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Kuan, Julian | | | 2001 | HKG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Mallari, Donato | | | 1995 | AUS | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Miller, Gordon | | | 1745 | AUS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Ball, Christopher | | | 1867 | AUS | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Sirkka, Pertti | | | 1910 | AUS | 0.50 | 1 | -0.09 | 20 | -1.80 | | | Cheng, Harry | | | 1723 | AUS | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | |
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