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Individual Calculations December 2017 |
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| Ng, Clive Total change: 4.60 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1871 | 2032 | 6.50 | 9 | 0.23 | 20 | 4.60 | |
|  Leong, Timothy | | | 1632 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Wilson, Mark L | | | 1690 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Sirkka, Pertti T | | | 1865 | AUS | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Chen, Yu-Shiun | | | 1841 | AUS | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Siva Sankaran, Anup Kumar | | | 1828 | IND | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Champion, Patrick | | | 1930 | AUS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Russell, Paul | c | | 1893 | AUS | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Clarke, Brandon G I | f | | 2319 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Wan, Dennis | | | 1839 | AUS | 1.00 | 1 | 0.25 | 20 | 5.00 | | | * 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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