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Individual Calculations April 2009 |
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| Hellenschmidt, Andrew Total change: -14.55 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2039 | 2.00 | 6 | -0.60 | 15 | -9.00 | |
|  Uesugi, Shinsaku | | | 2243 | JPN | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Fayvinov, Zakhar | f | | 2181 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Chiang, Michael | | | 1942 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Ng, Andrew | | | 2127 | USA | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Sana, Mariano | | | 2116 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Finney, Stuart S | | | 1926 | USA | 0.50 | 1 | -0.15 | 15 | -2.25 | |
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) | | | | 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2039 | 0.00 | 1 | -0.37 | 15 | -5.55 | |
| | Weissbarth, Adam | | | 2132 | USA | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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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