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Individual Calculations December 2017 |
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| Chiara, Vince Total change: 10.40 | |   |
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| 2017 Norths John Purdy Memorial Open | Sydney | AUS | 2017-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1712 | 1475 | 2.00 | 7 | 0.52 | 20 | 10.40 | |
|  Hutchings, Frank P | | | 1875 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Vowles, Justin | | | 1733 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Jain, Anshika | | | 1676 | AUS | 0.50 | 1 | 0.26 | 20 | 5.20 | |  Talpade, Udit | | | 1698 | AUS | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Schwandl, Hans | | | 1607 | AUS | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Sandalciyan, Aram | | | 1723 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Jain, Kamal | | | 1672 | AUS | 0.00 | 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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