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Individual Calculations December 2018 |
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| Atanacio, Ricardo Total change: 46.40 | |   |
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| 2018 Norths John Purdy Memorial Open | Sydney | AUS | 2018-09-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1816 | 1786 | 4.50 | 7 | 1.16 | 40 | 46.40 | |
|  Wechsler, Ian B | | | 1577 | AUS | 1.00 | 1 | 0.23 | 40 | 9.20 | |  Stern, David | | | 1624 | AUS | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Brand, Peter | | | 1760 | AUS | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Wilson, Mark L | | | 1659 | AUS | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Ng, Clive | c | | 2027 | AUS | 1.00 | 1 | 0.80 | 40 | 32.00 | | | Cronin, Henry | | | 1878 | AUS | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Clarke, Brandon G I | f | | 2186 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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