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Individual Calculations March 2011 |
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| Margiotta, Jason J Total change: 1.65 | |   |
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| 43rd Annual Liberty Bell - U2300 Section | Philadelphia, Pennsylvania | USA | 2011-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1992 | 2.00 | 4 | 0.35 | 15 | 5.25 | |
|  Vilenchuk, Michael | | | 2169 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | |  Sivakumar, Kavinay | | | 2043 | USA | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Vulis, Daniel | | | 2098 | USA | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Matlin, Anna R | | | 1930 | USA | 0.50 | 1 | -0.09 | 15 | -1.35 | |
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) | | | | 2011 New York February Open | New York, New York | USA | 2011-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2058 | 1992 | 1.00 | 3 | -0.24 | 15 | -3.60 | |
| | Pressman, Leif A | | | 2167 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Berg, George P | | | 2074 | USA | 0.00 | 1 | -0.39 | 15 | -5.85 | | | Shi, Jason | | | 1934 | USA | 1.00 | 1 | 0.42 | 15 | 6.30 | |
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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