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Individual Calculations September 2009 |
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| Pismennyy, Avraam Total change: -4.80 | |   |
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| 39th Annual Continental Open | Sturbridge, Massachusetts | USA | 2009-08-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2262 | 2.50 | 5 | -0.32 | 15 | -4.80 | |
|  Chiang, Michael | | | 1927 | USA | 1.00 | 1 | 0.12 | 15 | 1.80 | |  Esserman, Marc R | | | 2394 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Mattson, Dane M | | | 2071 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Williams, Christopher | | | 2230 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Paschall, William | m | | 2385 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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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