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Individual Calculations May 2017 |
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| Nowak, Ruben Total change: 3.80 | |   |
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| 2017 Hobsons Bay CJS Purdy Cup | Melbourne | AUS | 2017-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1733 | 1566 | 1.50 | 4 | 0.19 | 20 | 3.80 | |
|  Hibberd, Nathan | | | 1942 | AUS | 0.00 | 1 | -0.09 | 20 | -1.80 | |  Mullen, Chris | | | 1577 | AUS | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Williams, Bruce | | | 1966 * | AUS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Richards, Derek | | | 1446 | AUS | 0.50 | 1 | -0.16 | 20 | -3.20 | | | * 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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