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Individual Calculations January 2009 |
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| Pressman, Leif Total change: 1.50 | |   |
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| Edward Lasker Memorial and 92nd Annual Marshall Chess Club Championship | New York, New York | USA | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2055 | 2.50 | 7 | 0.10 | 15 | 1.50 | |
|  Sarkar, Justin | m | | 2405 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Waxman, Marian | | | 2053 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | |  Korley, Kassa | | | 2082 | USA | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Molner, Mackenzie | | | 2382 | USA | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Bonin, Jay | m | | 2353 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Tuhrim, Richard | | | 2020 | USA | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Sturt, Raven M | | | 2055 | USA | 0.00 | 1 | -0.50 | 15 | -7.50 | |
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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