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Individual Calculations July 2009 |
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| Chen, Howard Total change: 12.00 | |   |
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| 3rd Annual Grand Pacific Open | Victoria | CAN | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2189 | 0.50 | 2 | -0.38 | 25 | -9.50 | |
|  Gansvind, Valeria | | wf | 2231 | EST | 0.00 | 1 | -0.44 | 25 | -11.00 | |  Berry, Jonathan | f | | 2229 | CAN | 0.50 | 1 | 0.06 | 25 | 1.50 | |
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) | | | | 2009 Washington Open | Spokane, Washington | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2189 | 4.50 | 6 | 1.01 | 25 | 25.25 | |
| | Subedi, Avinaya | | | 1839 | NEP | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Davis, Loal | | | 2201 | USA | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Bartron, Paul | f | | 2206 | USA | 0.50 | 1 | 0.02 | 25 | 0.50 | | | Collyer, Curt | | | 2289 | USA | 0.50 | 1 | 0.14 | 25 | 3.50 | | | Kelley, Dereque | | | 2149 | USA | 1.00 | 1 | 0.44 | 25 | 11.00 | | | Gay, Daniel | | | 2024 | USA | 1.00 | 1 | 0.28 | 25 | 7.00 | |
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) | | | | 2009 National Open | Las Vegas, Nevada | USA | 2009-06-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2359 | 2189 | 1.00 | 4 | -0.15 | 25 | -3.75 | |
| | Ivanov, Alexander | g | | 2516 | USA | 0.00 | 1 | -0.13 | 25 | -3.25 | | | Fernandez, Daniel | m | | 2369 | USA | 0.00 | 1 | -0.26 | 25 | -6.50 | | | Langer, Michael | f | | 2260 | USA | 1.00 | 1 | 0.60 | 25 | 15.00 | | | Boor, Carl B | f | | 2291 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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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