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Individual Calculations May 2011 |
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| Kopiecki, Edward P Total change: 4.65 | |   |
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| Marshall Chess Club FIDE Mondays - 2011 | New York, New York | USA | 2011-02-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 2033 | 2.00 | 4 | 0.38 | 15 | 5.70 | |
|  Sena, Juan | | | 2160 | DOM | 0.00 | 1 | -0.33 | 15 | -4.95 | |  Black Jr, James A | | | 2089 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Bhatty, Karan S | | | 2042 | IND | 1.00 | 1 | 0.51 | 15 | 7.65 | | | Tuhrim, Richard J | | | 2123 | USA | 0.50 | 1 | 0.12 | 15 | 1.80 | |
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 Marshall April Grand Prix | New York, New York | USA | 2011-04-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2187 | 2023 | 0.50 | 2 | -0.07 | 15 | -1.05 | |
| | Lewis, James E | | | 2230 | DOM | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Sena, Juan | | | 2144 | DOM | 0.50 | 1 | 0.16 | 15 | 2.40 | |
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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