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Individual Calculations December 2022 |
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| Roebuck, Derek J Total change: -11.80 | |   |
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| 2022 Southern Suburbs Championship Rounds 3-6 | Perth | AUS | 2022-11-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1385 | 1608 | 2.00 | 3 | -0.31 | 20 | -6.20 | |
|  Huang, Hui | | | 1459 | AUS | 0.50 | 1 | -0.20 | 20 | -4.00 | |  Wu, Kobe | | | 1249 | AUS | 0.50 | 1 | -0.40 | 20 | -8.00 | | | De Heer, Alex | | | 1447 | AUS | 1.00 | 1 | 0.29 | 20 | 5.80 | |
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) | | | | 2022 Metro Respini A Division Rounds 6-7 | Perth | AUS | 2022-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1778 | 1608 | 0.00 | 1 | -0.28 | 20 | -5.60 | |
| | Roza, Peter | | | 1778 | AUS | 0.00 | 1 | -0.28 | 20 | -5.60 | |
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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