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Individual Calculations December 2018 |
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| Quek, Bob Total change: -20.60 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1516 | 1516 | 3.00 | 8 | -1.03 | 20 | -20.60 | |
|  Murray, Bruce D | c | | 1916 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Ganke, Eugene | | | 1166 * | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Russell, Paul | c | | 1916 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Jain, Anshika | | | 1780 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Smyrk, Martin | | | 1227 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Ashton, Neil | | | 1128 | AUS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Wilson, Mark L | | | 1659 | AUS | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Di-Ienno, Mathew | | | 1332 | AUS | 0.00 | 1 | -0.74 | 20 | -14.80 | | | * 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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