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Individual Calculations June 2021 |
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| Barry, David Total change: 76.40 | |   |
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| 2021 Perth Club Championship | Perth | AUS | 2021-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1636 | 1471 | 3.50 | 5 | 1.91 | 40 | 76.40 | |
|  Powell, Darren | | | 1322 | AUS | 1.00 | 1 | 0.30 | 40 | 12.00 | |  Hernandez Mendez, Iker | | | 1561 | AUS | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Barber, John | | | 1596 | AUS | 1.00 | 1 | 0.67 | 40 | 26.80 | | | De Yaak, Peter | | | 1831 | AUS | 1.00 | 1 | 0.90 | 40 | 36.00 | | | Maggs, Derwent | | | 1871 * | AUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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