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Individual Calculations May 2012 |
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| Willathgamuwa, Rowan Total change: 59.70 | |   |
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| City of Sydney Championship 2012 | Sydney | AUS | 2012-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1990 | 1673 | 1.50 | 4 | 0.96 | 30 | 28.80 | |
|  Ilic, Ilija | | | 2010 | AUS | 0.50 | 1 | 0.38 | 30 | 11.40 | |  Van Renen, Mike | | | 2066 | AUS | 1.00 | 1 | 0.92 | 30 | 27.60 | | | Zoud, Badar | | | 1943 | AUS | 0.00 | 1 | -0.17 | 30 | -5.10 | | | Oliver, Shannon | | wf | 1941 | AUS | 0.00 | 1 | -0.17 | 30 | -5.10 | |
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) | | | | Sydney International Challengers 2012 | Sydney | AUS | 2012-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1630 | 2.50 | 5 | 1.03 | 30 | 30.90 | |
| | Parker, Trent | | | 1804 | AUS | 0.00 | 1 | -0.27 | 30 | -8.10 | | | Chibnall, Alana | | | 1833 | AUS | 0.50 | 1 | 0.26 | 30 | 7.80 | | | Greenwood, Norman | | | 1752 | AUS | 1.00 | 1 | 0.67 | 30 | 20.10 | | | Lane, Clive D | | | 1685 | AUS | 0.50 | 1 | 0.08 | 30 | 2.40 | | | Christensen, Joshua | | | 1862 | AUS | 0.50 | 1 | 0.29 | 30 | 8.70 | |
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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