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Individual Calculations April 2017 |
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| Polk, Clay Total change: 0.00 | |   |
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| 2017 Boris Kogan Memorial | Chamblee, Georgia | USA | 2017-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1906 | 1920 | 2.00 | 4 | 0.00 | 40 | 0.00 | |
|  Wu, Rochelle | | wc | 1964 | USA | 0.00 | 1 | -0.44 | 40 | -17.60 | |  Puckett, Matthew | | | 2115 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Rutten, Alexander | | | 1560 | NED | 1.00 | 1 | 0.10 | 40 | 4.00 | | | McCartney, Patrick | | | 1985 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | |
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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