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Individual Calculations August 2017 |
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| Jeffreys, Roger W Total change: -4.60 | |   |
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| 2017 Norths Ford-Greenwood Seniors Open | Sydney | AUS | 2017-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1685 | 1662 | 4.00 | 9 | -0.23 | 20 | -4.60 | |
|  Gram, Otto | | | 1262 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Tulevski, Vasil G | | | 1764 | AUS | 1.00 | 1 | 0.64 | 20 | 12.80 | | | Halpin, Patrick | | | 2058 | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Garner, Stephen J | | | 1845 | AUS | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Schwandl, Hans | | | 1561 | AUS | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Low, Frank | | | 1650 | AUS | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Case, Ivan | | | 1711 | AUS | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Sandalciyan, Aram | | | 1685 | AUS | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Dickson, Ian C | | | 1625 | AUS | 0.00 | 1 | -0.55 | 20 | -11.00 | | | * 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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