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Individual Calculations June 2015 |
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| Kopiecki, Edward Total change: 4.60 | |   |
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| January 2015 MCC FIDE Mondays | New York, New York | USA | 2015-01-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1963 | 2.00 | 3 | 0.33 | 20 | 6.60 | |
|  Bhatty, Karan | | | 2117 | IND | 0.50 | 1 | 0.21 | 20 | 4.20 | |  Walton, John | | | 1610 | USA | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Smith, Jeremiah J | | | 1968 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | |
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) | | | | February MCC Wednesday U2000 | New York, New York | USA | 2015-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1652 | 1904 | 1.00 | 2 | -0.62 | 20 | -12.40 | |
| | Peters, Shaina I | | | 1634 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Petrillo, Jarret | | | 1669 | USA | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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) | | | | February MCC FIDE Thursdays | New York, New York | USA | 2015-02-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1904 | 2.00 | 4 | 0.40 | 20 | 8.00 | |
| | Griffith, Kyron W | f | | 2303 | USA | 0.50 | 1 | 0.42 | 20 | 8.40 | | | Cherubin, Robert | | | 1504 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Berg, George P | | | 2033 | USA | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Hulse, Brian | f | | 2079 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | * 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) | | | | MCC April 2015 Grand Prix | New York, New York | USA | 2015-04-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1892 | 3.00 | 5 | 0.24 | 20 | 4.80 | |
| | Yan, Kevin | | | 1615 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Juac, Majur | | | 2112 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Petrillo, Jarret | | | 1669 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Belanoff, Ted | | | 2032 | USA | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Hellner, Wesley | | | 1802 | USA | 1.00 | 1 | 0.38 | 20 | 7.60 | |
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) | | | | MCC May 2015 Grand Prix | New York, New York | USA | 2015-05-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2222 | 1892 | 0.00 | 1 | -0.12 | 20 | -2.40 | |
| | Taborsky, Rostislav | f | | 2222 | CZE | 0.00 | 1 | -0.12 | 20 | -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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