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Individual Calculations February 2023 |
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| Vlietstra, Marc Total change: -90.20 | |   |
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| 2023 Australian Open Championship | Perth | AUS | 2023-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1645 | 2007 | 3.50 | 9 | -4.51 | 20 | -90.20 | |
|  Deng, Eric | | | 1544 | AUS | 1.00 | 1 | 0.05 | 20 | 1.00 | |  Can, Ryan | | | 1658 | AUS | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Weller, Tony | | | 1639 | AUS | 0.00 | 1 | -0.90 | 20 | -18.00 | | | Gao, Arthur | | | 1753 | AUS | 0.00 | 1 | -0.81 | 20 | -16.20 | | | Li, Tedric | | | 1692 | AUS | 0.00 | 1 | -0.86 | 20 | -17.20 | | | Roebuck, Derek J | | | 1592 | AUS | 1.00 | 1 | 0.07 | 20 | 1.40 | | | King, David | | | 1740 | AUS | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Koh, Shannon | | | 1607 * | AUS | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Rice, Lauren | | | 1584 | SGP | 0.50 | 1 | -0.43 | 20 | -8.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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