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Individual Calculations November 2009 |
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| Marsh, Matthew Total change: 30.75 | |   |
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| 65th Ohio Chess Congress | Dayton, Ohio | USA | 2009-09-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2161 | 2115 | 3.00 | 4 | 1.23 | 25 | 30.75 | |
|  Fan, Yun | | | 1935 | USA | 1.00 | 1 | 0.26 | 25 | 6.50 | | | Vilenchuk, Michael | | | 2117 | USA | 1.00 | 1 | 0.50 | 25 | 12.50 | |  Boor, Carl B. | f | | 2344 | USA | 0.50 | 1 | 0.29 | 25 | 7.25 | | | Stopa, John | | | 2246 | USA | 0.50 | 1 | 0.18 | 25 | 4.50 | |
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) | | |
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