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Individual Calculations April 2015 |
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| Kopiecki, Edward Total change: -5.20 | |   |
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| MCC February U2300 | New York, New York | USA | 2015-02-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1951 | 1904 | 1.50 | 4 | -0.26 | 20 | -5.20 | |
|  Berg, George P | | | 2033 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | |  Rachlin, Paul | | | 1877 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Wang, Warren | | | 2010 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | | | Adelson, Serge | | | 1883 | USA | 0.50 | 1 | -0.03 | 20 | -0.60 | |
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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