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Individual Calculations April 2017 |
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| Kopiecki, Edward Total change: 35.20 | |   |
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| 2017 Marshall February-March FIDE Mondays | New York, New York | USA | 2017-02-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1931 | 1872 | 2.50 | 4 | 0.73 | 20 | 14.60 | |
|  Lapan, Dan | | | 2214 | USA | 0.50 | 1 | 0.38 | 20 | 7.60 | |  Catsiapis, Yiannis | | | 2085 | SUI | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Bertini, Nazzareno | | | 1678 | ITA | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Muwwakkil, Mulazim | | | 1746 | USA | 1.00 | 1 | 0.33 | 20 | 6.60 | |
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) | | | | March 2017 Marshall FIDE Weekend | New York, New York | USA | 2017-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2006 | 1872 | 2.00 | 3 | 1.03 | 20 | 20.60 | |
| | Smith, Jeremiah J | | | 2078 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Margiotta, Jason J | | | 1935 | USA | 0.50 | 1 | 0.09 | 20 | 1.80 | | | West, James R | | | 2005 | USA | 1.00 | 1 | 0.68 | 20 | 13.60 | |
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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