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Individual Calculations September 2009 |
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| Homa, Seth Total change: 14.25 | |   |
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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 |
| 2369 | 2266 | 3.50 | 9 | 0.24 | 15 | 3.60 | |
|  Kudrin, Sergey | g | | 2563 | USA | 0.50 | 1 | 0.35 | 15 | 5.25 | |  Hess, Robert L | m | | 2485 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Hanken, Jerome B | | | 1916 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Shankland, Samuel | m | | 2446 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Bhat, Vinay S | g | | 2475 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Tayar, Jonathan | f | | 2334 | CAN | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Arnold, Marc T | m | | 2408 | USA | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Lapshun, Yury | m | | 2448 | USA | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kaminski, Victor | | | 2244 | CAN | 0.00 | 1 | -0.53 | 15 | -7.95 | |
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) | | | | 110th Annual US Open | Indianapolis, Indiana | USA | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2269 | 4.00 | 5 | 0.71 | 15 | 10.65 | |
| | Auger, Michael W | | | 1923 | USA | 1.00 | 1 | 0.11 | 15 | 1.65 | | | Wasiolek, Rory E | | | 2098 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Fernandez, Daniel | m | | 2424 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Xing, Kerry | | | 2219 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Harmon-Vellotti, Luke | | | 2017 | USA | 1.00 | 1 | 0.19 | 15 | 2.85 | |
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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