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Individual Calculations September 2010 |
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| Mandelkern, Jeremy Total change: -70.50 | |   |
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| 18th Annual Southern Open | Orlando, Florida | USA | 2010-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2143 | 2142 | 0.50 | 4 | -1.49 | 25 | -37.25 | |
|  Barnett, Alexander | | | 2241 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | |  Daly, Troy | | | 2128 | USA | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Hansen, Evgenia | | wm | 2157 | DEN | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Gurevich, Daniel | | | 2044 | USA | 0.00 | 1 | -0.63 | 25 | -15.75 | |
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) | | | | 111th Annual US Open - Jerry Hanken Memorial | Irvine, California | USA | 2010-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 2142 | 1.00 | 4 | -1.33 | 25 | -33.25 | |
| | Chen, Howard J | | | 2257 | USA | 0.00 | 1 | -0.34 | 25 | -8.50 | | | Thaler, Michael | | | 2253 | USA | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Botez, V Alexandra | | wc | 1974 | CAN | 0.00 | 1 | -0.72 | 25 | -18.00 | | | Lu, Max Chia-Hsin | | | 1742 * | TPE | 1.00 | 1 | 0.08 | 25 | 2.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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