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Individual Calculations December 2017 |
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| Johnson, Andrew Total change: 8.60 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1642 | 1542 | 3.00 | 7 | 0.43 | 20 | 8.60 | |
|  Dibley, Shane E | | | 1728 | AUS | 0.00 | 1 | -0.26 | 20 | -5.20 | |  Gram, Otto | | | 1142 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Wilson, Mark L | | | 1690 | AUS | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Dekic, Biljana N | | wm | 1942 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kolotas, Harry | | | 1648 | AUS | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Taffard, Christopher John | | | 1695 | NZL | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Aleksovski, Bosko | | | 1650 | AUS | 0.50 | 1 | 0.15 | 20 | 3.00 | | | * 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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