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Individual Calculations May 2010 |
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| Margiotta, Jason J Total change: -11.75 | |   |
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| New York March Open | New York, New York | USA | 2010-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2173 | 2011 | 1.00 | 2 | 0.43 | 25 | 10.75 | |
|  Ostrovskiy, Aleksandr A | c | | 2205 | USA | 1.00 | 1 | 0.75 | 25 | 18.75 | |  Wang, Eigen | | | 2141 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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) | | | | Philadelphia Open | Philadelphia, Pennsylvania | USA | 2010-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2011 | 0.00 | 3 | -0.90 | 25 | -22.50 | |
| | Treger, Yefim | | | 2239 | USA | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Wu, Christopher | | | 2143 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Leve, Nitai D | | | 2108 | USA | 0.00 | 1 | -0.37 | 25 | -9.25 | |
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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