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Individual Calculations July 2012 |
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| Baumgartner, Chris Total change: -13.35 | |   |
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| 10th NA Amateur | Skokie, Illinois | USA | 2012-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1854 | 1851 | 1.00 | 3 | -0.49 | 15 | -7.35 | |
|  Cen, Kent Y | | | 2023 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | |  Richmond, M Barrie | | | 1829 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Delay, Joe | | | 1710 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | 11th NACA Amateur | Skokie, Illinois | USA | 2012-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1851 | 0.00 | 1 | -0.40 | 15 | -6.00 | |
| | Qazi, Rafeh R | | | 1925 | USA | 0.00 | 1 | -0.40 | 15 | -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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