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Individual Calculations September 2023 |
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| Quek, Bob Total change: -17.40 | |   |
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| 2023 Ford-Greenwood Seniors Round 9 | Sydney | AUS | 2023-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1486 | 1466 | 0.00 | 1 | -0.47 | 20 | -9.40 | |
|  Cook, David | | | 1486 | 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) | | | | 2023 John Purdy Memorial Minor Round 1 | Sydney | AUS | 2023-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1103 | 1466 | 0.50 | 1 | -0.40 | 20 | -8.00 | |
| | Sandhu, Leo | | | 1103 | AUS | 0.50 | 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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