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Individual Calculations April 2009 |
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| Gunawan, Cheston Total change: 2.00 | |   |
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| 26th Annual U.S Amateur Team West | Woodland Hills, CA | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 1861 | 0.50 | 2 | 0.08 | 25 | 2.00 | |
|  Schoonmaker, Nicholas | c | | 2211 | USA | 0.00 | 1 | -0.11 | 25 | -2.75 | |  Hough, Randall D | | | 2000 | USA | 0.50 | 1 | 0.19 | 25 | 4.75 | |
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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