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Individual Calculations October 2020 |
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| Elkington, Derek Total change: -30.20 | |   |
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| 2020 WA Reserves Championship | Perth | AUS | 2020-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1655 | 1902 | 5.00 | 7 | -0.57 | 20 | -11.40 | |
|  Rasulov, Bekzod | | | 1539 | AUS | 1.00 | 1 | 0.10 | 20 | 2.00 | |  Gough, Dylan | | | 1572 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Fu, Yihe (rebo) | | | 1751 | CHN | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Saroha, Chirag | | | 1809 | AUS | 1.00 | 1 | 0.37 | 20 | 7.40 | | | De Vas, Saminda | | | 1674 | SRI | 0.00 | 1 | -0.79 | 20 | -15.80 | | | McAteer, Ian | | | 1641 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Roebuck, Derek J | | | 1602 | AUS | 0.50 | 1 | -0.35 | 20 | -7.00 | |
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) | | | | 2020 Perth Chess Club Wolfgang Leonhardt Cup | Perth | AUS | 2020-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1902 | 2.00 | 5 | -0.94 | 20 | -18.80 | |
| | Hurst, Benjamin | | | 1661 | AUS | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Fu, Yihe (rebo) | | | 1751 | CHN | 0.00 | 1 | -0.70 | 20 | -14.00 | | | Wolstencroft, Alan | | | 1697 | AUS | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Leonhardt, Wolfgang | | | 2022 | AUS | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Maggs, Derwent | | | 2019 | AUS | 0.00 | 1 | -0.34 | 20 | -6.80 | |
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) | | |
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