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Individual Calculations July 2010 |
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| Foygel, Igor Total change: 8.50 | |   |
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| 79th Massachusetts Open | Leominster, Massachusetts | USA | 2010-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2345 | 2476 | 3.50 | 4 | 0.85 | 10 | 8.50 | |
|  Huang, Winston | c | | 2187 | USA | 1.00 | 1 | 0.16 | 10 | 1.60 | |  Kelleher, William | f | | 2359 | USA | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Chase, Christopher | f | | 2294 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Ivanov, Alexander | g | | 2538 | USA | 0.50 | 1 | 0.09 | 10 | 0.90 | |
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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