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Individual Calculations February 2013 |
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| Kopiecki, Edward P Total change: 13.80 | |   |
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| 2012 Marshall Chess Club Championship | New york, New York | USA | 2012-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2160 | 1973 | 3.50 | 8 | 1.28 | 15 | 19.20 | |
|  Mena, Carlos E | f | | 2328 | CUB | 1.00 | 1 | 0.89 | 15 | 13.35 | |  Frumkin, Edward A | | | 1941 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Rohde, Michael A | g | | 2373 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Juac, Majur | | | 2174 | USA | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Chandran, Kapil | | | 2122 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Pressman, Leif A | f | | 2216 | USA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Zats, Yefrem | | | 2050 | USA | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Berg, George P | | | 2078 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | * 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) | | | | 2013 MCC January Grand Prix | New York, New York | USA | 2013-01-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 1977 | 1.00 | 3 | -0.36 | 15 | -5.40 | |
| | King, Alexander B | | | 2249 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | | | Moazami, Amir | | | 1917 | USA | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Rachlin, Paul | | | 1894 | USA | 1.00 | 1 | 0.39 | 15 | 5.85 | |
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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