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Individual Calculations September 2010 |
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| Bonin, Jay R Total change: 2.90 | |   |
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| Marshall July Grand Prix | New York, New York | USA | 2010-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2096 | 2314 | 1.50 | 2 | 0.01 | 10 | 0.10 | |
|  Miller, Jake S | | | 1938 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Thaler, Michael | | | 2253 | USA | 0.50 | 1 | -0.08 | 10 | -0.80 | |
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) | | | | Not the US Open Grand Prix | New York, New York | USA | 2010-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2232 | 2314 | 1.50 | 2 | 0.28 | 10 | 2.80 | |
| | Margulis, Yevgeni | | | 2173 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Hoffmann, Asa | f | | 2290 | USA | 0.50 | 1 | -0.03 | 10 | -0.30 | |
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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