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Individual Calculations April 2009 |
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| Karell, Leif K Total change: -11.10 | |   |
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| 41st Annual Liberty Bell Open | Philadelphia, Pennsylvania | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2128 | 2028 | 0.50 | 4 | -0.96 | 15 | -14.40 | |
|  Rosenberg, Evan S | | | 2167 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Terrie, Henry L | | | 2085 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Fayvinov, Zakhar | f | | 2181 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Pinkerton, James C | | | 2078 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | |
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 |
| 2194 | 2028 | 0.50 | 1 | 0.22 | 15 | 3.30 | |
| | Marshall, Abby | | wf | 2194 | USA | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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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