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Individual Calculations September 2009 |
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| Mandelkern, Jeremy Total change: 0.00 | |   |
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| 2009 US Class Championships | Boca Raton, Florida | USA | 2009-07-17 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2158 | 0 | 1.00 | 3 | 0.00 | 2033 | | 0.00 | |
|  Rodriguez, Eric | | | 2245 | USA | 0.00 | 1 | 0.00 | | 0.00 | |  Goss, Mel H | | | 2141 | USA | 0.50 | 1 | 0.00 | | 0.00 | | | Veksler, Boris | | | 2088 | USA | 0.50 | 1 | 0.00 | | 0.00 | |
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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