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Individual Calculations September 2009 |
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| Langer, Michael Total change: 39.30 | |   |
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| 2009 Canadian Open | Edmonton, Alberta | CAN | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2409 | 2263 | 3.00 | 6 | 1.11 | 15 | 16.65 | |
|  Perelshteyn, Eugene | g | | 2534 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Zhao, Xue | g | wg | 2544 | CHN | 0.50 | 1 | 0.34 | 15 | 5.10 | |  Gerzhoy, Leonid | m | | 2409 | CAN | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Bradford, Joseph | m | | 2409 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Hansen, Eric | f | | 2423 | CAN | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Van Heirzeele, Daniel | | | 2137 | BEL | 1.00 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | Houston Open | Houston, Texas | USA | 2009-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2263 | 2.50 | 3 | 0.69 | 15 | 10.35 | |
| | Monsivais, Victor Emmanuel | | | 1988 | MEX | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Sawyer, Bradley J | | | 2121 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Fernandez, Daniel | m | | 2424 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | |
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 |
| 2392 | 2263 | 2.50 | 5 | 0.82 | 15 | 12.30 | |
| | Kaufman, Lawrence | g | | 2400 | USA | 1.00 | 1 | 0.68 | 15 | 10.20 | | | Mulyar, Michael A | m | | 2390 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Chen, Howard | | | 2201 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Kraai, Jesse | g | | 2498 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Stopa, Jacek | m | | 2471 | POL | 0.00 | 1 | -0.23 | 15 | -3.45 | |
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) | | |
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