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Individual Calculations April 2009 |
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| Vertkin, Sergey Total change: 7.95 | |   |
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| 18th Annual Eastern Class Championships | Sturbridge, Massachusetts | USA | 2009-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2211 | 2.00 | 3 | 0.53 | 15 | 7.95 | |
|  Mac Intyre, Paul | f | | 2281 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Meredith, Matthew D | | | 2033 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |  Mandizha, Farai | f | | 2332 | ZIM | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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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