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Individual Calculations July 2010 |
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| Cozianu, Costin Total change: 4.40 | |   |
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| Washington Open | Redmond, WA | USA | 2010-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2442 | 2.50 | 3 | 0.44 | 10 | 4.40 | |
|  Perez, Ignacio | f | | 2227 | USA | 0.50 | 1 | -0.27 | 10 | -2.70 | |  Chen, Howard J | | | 2276 | USA | 1.00 | 1 | 0.28 | 10 | 2.80 | | | Lee, Michael | f | | 2391 | USA | 1.00 | 1 | 0.43 | 10 | 4.30 | |
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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