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Individual Calculations July 2010 |
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| Sprague, Ross Total change: 4.50 | |   |
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| 52nd Gem City Open | Dayton, Ohio | USA | 2010-06-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1987 | 1.50 | 3 | 0.18 | 25 | 4.50 | |
|  Hollingerger, Drew | | | 1982 | USA | 0.50 | 1 | -0.01 | 25 | -0.25 | |  Smarty, Slyvester | | | 2057 | USA | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Hughes, John L. | | | 2050 | USA | 1.00 | 1 | 0.59 | 25 | 14.75 | |
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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