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Individual Calculations May 2017 |
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| Richards, Derek Total change: -0.40 | |   |
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| 2017 Hobsons Bay CJS Purdy Cup | Melbourne | AUS | 2017-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1540 | 1446 | 1.50 | 4 | -0.02 | 20 | -0.40 | |
|  Saric, Sergey | | | 1464 | AUS | 0.00 | 1 | -0.47 | 20 | -9.40 | | | Wootten, Rory | | | 1426 | AUS | 1.00 | 1 | 0.47 | 20 | 9.40 | |  Humphreys, Scott | | | 1703 | AUS | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Nowak, Ruben | | | 1566 | AUS | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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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