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Individual Calculations June 2021 |
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| Brooke, John Total change: 44.80 | |   |
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| 2021 Perth Club Championship | Perth | AUS | 2021-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1676 | 1445 | 2.50 | 6 | 1.12 | 40 | 44.80 | |
|  De Yaak, Peter | | | 1831 | AUS | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Howard, Mark | | | 1532 | AUS | 1.00 | 1 | 0.62 | 40 | 24.80 | |  Browning, Thomas | | | 1641 | AUS | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Elkington, Derek | | | 1845 * | AUS | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Shaw, Robin A | | | 1611 | AUS | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Barber, John | | | 1596 | AUS | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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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