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Individual Calculations July 2015 |
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| Mackenzie, Dana N Total change: 6.20 | |   |
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| 2015 National Open U2200 | Las Vegas, Nevada | USA | 2015-06-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1835 | 2081 | 3.50 | 4 | 0.31 | 20 | 6.20 | |
|  Cassidy, Ryan Andr | | | 1814 | USA | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Guenther, Travis | | | 1755 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | |  Nguyen, Duy Minh | | | 1841 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Nguyen, Emily Quyn | | wf | 1929 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | |
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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