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Individual Calculations May 2017 |
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| Humphreys, Scott Total change: 10.00 | |   |
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| 2017 Hobsons Bay CJS Purdy Cup | Melbourne | AUS | 2017-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1703 | 3.00 | 4 | 0.50 | 20 | 10.00 | |
|  Dogaris, George | | | 1368 | AUS | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Williams, Bruce | | | 2020 | AUS | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Richards, Derek | | | 1446 | AUS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hogan, Steven | | | 1576 | AUS | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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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