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Individual Calculations December 2017 |
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| Murray, Bruce D Total change: -16.20 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 2019 | 6.00 | 9 | -0.81 | 20 | -16.20 | |
|  Cook, David | | | 1623 | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Low, Frank | | | 1670 | AUS | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Glissan, Paul | | | 1799 | AUS | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Willathgamuwa, Kevin | c | | 1997 | AUS | 0.50 | 1 | -0.03 | 20 | -0.60 | | | Russell, Paul | c | | 1893 | AUS | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Shen, Fiona | | | 1670 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Chen, Yu-Shiun | | | 1841 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | | | Champion, Patrick | | | 1930 | AUS | 0.50 | 1 | -0.12 | 20 | -2.40 | | | Richards, Allan | | | 1797 | AUS | 0.50 | 1 | -0.28 | 20 | -5.60 | |
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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