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Individual Calculations September 2009 |
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| Fedorowicz, John P Total change: -10.80 | |   |
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| 37th Annual World Open - Open Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2503 | 2485 | 3.00 | 5 | 0.59 | 10 | 5.90 | |
|  Kamsky, Gata | g | | 2720 | USA | 0.50 | 1 | 0.29 | 10 | 2.90 | | | Lee, Michael | f | | 2358 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | |  Amanov, Mesgen | g | | 2517 | TKM | 1.00 | 1 | 0.54 | 10 | 5.40 | | | Hess, Robert L | m | | 2485 | USA | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Lenderman, Alex | m | | 2434 | USA | 0.50 | 1 | -0.07 | 10 | -0.70 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2469 | 0.50 | 3 | -1.67 | 10 | -16.70 | |
| | Lenderman, Alex | m | | 2504 | USA | 0.00 | 1 | -0.45 | 10 | -4.50 | | | Patchell, Erik | | | 2169 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | | | Rosen, Eric S | | | 2141 | USA | 0.00 | 1 | -0.87 | 10 | -8.70 | |
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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