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Individual Calculations April 2009 |
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| Larkins, Larry R Total change: 9.15 | |   |
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| 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2389 | 2170 | 2.00 | 4 | 1.07 | 15 | 16.05 | |
|  Kelleher, William | f | | 2366 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Mc Clain, Dylan | f | | 2331 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | De Firmian, Nick E | g | | 2520 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Shmelov, Denys Kon | | | 2340 | UKR | 1.00 | 1 | 0.72 | 15 | 10.80 | |
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) | | | | 41st Annual Virginia Open | McLean, Virginia | USA | 2009-02-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 2170 | 1.00 | 3 | -0.46 | 15 | -6.90 | |
| | Saperstein, Craig | | | 1851 | USA | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Yeager, Daniel A | f | | 2336 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Kaufman, Raymond | m | | 2308 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |
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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