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Individual Calculations October 2020 |
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| Brooke, John Total change: -59.60 | |   |
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| 2020 Perth Chess Club John Brooke Cup | Perth | AUS | 2020-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1416 | 1505 | 1.50 | 5 | -1.49 | 40 | -59.60 | |
|  Massam, Justin | | | 1568 | AUS | 0.50 | 1 | 0.09 | 40 | 3.60 | |  Powell, Darren | | | 1299 | AUS | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Waugh, Tracy | | | 1158 | AUS | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Howard, Mark | | | 1497 | AUS | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Hounsome, David | | | 1559 | AUS | 0.00 | 1 | -0.42 | 40 | -16.80 | |
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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