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Individual Calculations June 2021 |
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| Elkington, Derek Total change: -8.00 | |   |
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| 2021 Perth Club Championship | Perth | AUS | 2021-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1530 | 1872 | 4.00 | 5 | -0.40 | 20 | -8.00 | |
|  Boswarva, Ernest | | | 1548 | AUS | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Barber, John | | | 1596 | AUS | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Hintz, Steven | | | 1472 * | AUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brooke, John | | | 1472 * | AUS | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Hernandez Mendez, Iker | | | 1561 | AUS | 1.00 | 1 | 0.14 | 20 | 2.80 | | | * 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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