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Individual Calculations March 2011 |
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| West, Vanessa A Total change: 5.55 | |   |
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| 20th Annual North American Open | Las Vegas, Nevada | USA | 2010-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2089 | 1.50 | 3 | -0.61 | 15 | -9.15 | |
|  Field, Frederick W | | | 1944 | USA | 0.50 | 1 | -0.19 | 15 | -2.85 | |  Mandelkern, Jeremy | | | 2074 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Fajardo Ponce, David | | | 1721 | HON | 0.50 | 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) | | | | 28th Annual US Amateur Team Championship - West | Woodland Hills, California | USA | 2011-02-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 2089 | 2.50 | 3 | 0.98 | 15 | 14.70 | |
| | Polsky, Ryan | | | 1884 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Ramirez, Hermogenes | | | 2200 | USA | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Phillips, Blake J | | | 2153 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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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