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Individual Calculations March 2010 |
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| Berg, George P Total change: 8.25 | |   |
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| Edward Lasker Memorial and 93rd Annual Marshall Chess Club Championship | New York, New York | USA | 2009-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2045 | 2.50 | 5 | 0.47 | 15 | 7.05 | |
|  Ravichandran, Siddharth | | | 2422 | IND | 0.00 | 1 | -0.09 | 15 | -1.35 | |  Waxman, Marian | | | 2038 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Treger, Yefim | | | 2223 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Farber, Nelson M | | | 1979 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Margiotta, Jason J | | | 1992 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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) | | | | 2010 Happy New Year Open | New york, New York | USA | 2010-01-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2046 | 1.00 | 3 | 0.08 | 15 | 1.20 | |
| | Treger, Yefim | | | 2253 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Kudrin, Sergey | g | | 2446 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Ostrovskiy, Anatoly | | | 1963 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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