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Individual Calculations July 2023 |
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| Armstrong, Gary Total change: 9.60 | |   |
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| 2023 Ford-Greenwood Seniors Rounds 1-4 | Sydney | AUS | 2023-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1629 | 2.00 | 3 | 0.48 | 20 | 9.60 | |
|  Jeffreys, Roger W | | | 1455 | AUS | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Murray, Bruce D | c | | 1885 | AUS | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Aleksovski, Bosko | | | 1554 | AUS | 1.00 | 1 | 0.40 | 20 | 8.00 | |
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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