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Individual Calculations June 2021 |
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| De Yaak, Peter Total change: -63.60 | |   |
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| 2021 Perth Club Championship | Perth | AUS | 2021-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1589 | 1831 | 3.00 | 6 | -1.59 | 40 | -63.60 | |
|  Brooke, John | | | 1445 | AUS | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Hintz, Steven | | | 1431 * | AUS | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Shaw, Robin A | | | 1611 | AUS | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Maggs, Derwent | | | 2030 | AUS | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Barry, David | | | 1471 | AUS | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Simonds, Marcus | | | 1545 | AUS | 0.00 | 1 | -0.84 | 40 | -33.60 | | | * 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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