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Individual Calculations December 2017 |
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| Clarke, Brandon G I Total change: 21.20 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1973 | 2319 | 9.00 | 9 | 1.06 | 20 | 21.20 | |
|  Schwandl, Hans | | | 1919 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Dibley, Shane E | | | 1919 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Champion, Patrick | | | 1930 | AUS | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Siva Sankaran, Anup Kumar | | | 1919 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mallari, Donato | f | | 1987 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Berezina-Feldman, Irina | m | wm | 2085 | AUS | 1.00 | 1 | 0.21 | 20 | 4.20 | | | Willathgamuwa, Kevin | c | | 1997 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Ng, Clive | c | | 2032 | AUS | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Dekic, Biljana N | | wm | 1968 | AUS | 1.00 | 1 | 0.11 | 20 | 2.20 | | | * 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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