Individual Calculations August 2023 |
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De Villiers, Jean Total change: -5.40 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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2023 Rooty Hill Club Championship Division B Rounds 4-5 plus postponed | Sydney | AUS | 2023-07-11 |
Rc | Ro | w | n | change | K | K*chg | Game |
1462 | 1380 | 0.50 | 2 | -0.27 | 20 | -5.40 | |
| Duckworth, Terry | | | 1503 | AUS | 0.00 | 1 | -0.33 | 20 | -6.60 | | Joseph, Baby | | | 1421 | AUS | 0.50 | 1 | 0.06 | 20 | 1.20 | | 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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