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Individual Calculations December 2018 |
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| Wechsler, Ian B Total change: -0.80 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1663 | 1577 | 1.50 | 4 | -0.04 | 20 | -0.80 | |
|  Atanacio, Ricardo | | | 1786 | AUS | 0.00 | 1 | -0.23 | 20 | -4.60 | |  Aleksovski, Bosko | | | 1664 | AUS | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Low, Frank | | | 1621 | AUS | 0.00 | 1 | -0.44 | 20 | -8.80 | | | Schwandl, Hans | | | 1581 | AUS | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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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