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Individual Calculations August 2023 |
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| Jeffreys, Roger W Total change: -12.00 | |   |
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| 2023 Ford-Greenwood Seniors Rounds 5-8 | Sydney | AUS | 2023-07-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1532 | 1454 | 1.00 | 4 | -0.60 | 20 | -12.00 | |
|  Watson, Robert A | | | 1696 | AUS | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Beeh, Tom | | | 1459 | AUS | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Case, Ivan | | | 1499 | AUS | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Cook, David | | | 1473 | AUS | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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