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Individual Calculations April 2009 |
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| Periwal, Prashant Total change: 0.00 | |   |
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| Fall TNM (MI Club Championship) | San Francisco, CA | USA | 2008-10-14 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 2072 | 0 | 0.00 | 2 | 0.00 | 1372 | | 0.00 | |
|  Margulis, Igor | | | 2178 | USA | 0.00 | 1 | 0.00 | | 0.00 | |  Grey, Peter | | | 1966 | USA | 0.00 | 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) | | | | Winter Tuesday Night Marathon | San Francisco, California | USA | 2009-01-06 |
| Rc | Ro | w | n | change | Rp | K | K*chg | Game |
| 1861 | 0 | 1.00 | 2 | 0.00 | 1861 | | 0.00 | |
| | Dembling, Arthur | | | 1589 | USA | 1.00 | 1 | 0.00 | | 0.00 | | | Naroditsky, Alan | | | 2133 | USA | 0.00 | 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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