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Individual Calculations July 2009 |
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| Haessler, Carl A Total change: -18.45 | |   |
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| 2009 Washington Open | Spokane, Washington | USA | 2009-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2173 | 0.00 | 1 | -0.64 | 15 | -9.60 | |
|  Daroza, Eduardo | | | 2074 | USA | 0.00 | 1 | -0.64 | 15 | -9.60 | |
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 |
| 2425 | 2173 | 0.00 | 3 | -0.59 | 15 | -8.85 | |
|  Ehlvest, Jaan | g | | 2523 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Molner, Mackenzie | | | 2384 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Cummings, David | m | | 2369 | CAN | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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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