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Individual Calculations December 2017 |
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| Garner, Stephen J Total change: 20.40 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1758 | 1733 | 2.50 | 3 | 1.02 | 20 | 20.40 | |
|  Berezina-Feldman, Irina | m | wm | 2085 | AUS | 0.50 | 1 | 0.39 | 20 | 7.80 | |  Shaw, Ralph | | | 1607 | AUS | 1.00 | 1 | 0.33 | 20 | 6.60 | | | O`callaghan, Scott | | | 1583 | AUS | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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