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Individual Calculations July 2012 |
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| Kopiecki, Edward P Total change: -5.25 | |   |
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| 2012 April-May MCC FIDE Monday | New York, New York | USA | 2012-04-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 1980 | 0.50 | 4 | -0.87 | 15 | -13.05 | |
|  Treger, Yefim | | | 2206 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Katz, Benjamin | | | 2122 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | |  Frumkin, Edward A | | | 1982 | USA | 0.50 | 1 | 0.00 | 15 | 0.00 | | | Guevara, Robert N | | | 2093 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |
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) | | | | 2012 Marshall April Grand Prix | New York, New York | USA | 2012-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2139 | 1980 | 2.50 | 3 | 1.60 | 15 | 24.00 | |
| | Maltese, Adam Samu | | | 2270 | USA | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Berg, George P | | | 2045 | USA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | West, James R | | | 2103 | USA | 1.00 | 1 | 0.67 | 15 | 10.05 | |
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) | | | | 2012 MCC May Grand Prix | New York, New York | USA | 2012-05-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2316 | 2006 | 0.00 | 2 | -0.30 | 15 | -4.50 | |
| | Pressman, Leif A | f | | 2225 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Sarkar, Justin | m | | 2406 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * 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) | | | | 2012 MCC June Grand Prix | New York, New York | USA | 2012-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2006 | 0.00 | 1 | -0.61 | 15 | -9.15 | |
| | Kumar, Aravind | c | | 1925 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |
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) | | | | 5th New York International - U2200 Section | New York, New York | USA | 2012-06-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1967 | 2006 | 1.50 | 3 | -0.17 | 15 | -2.55 | |
| | Tallo, Emily K | | | 1978 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Widmaier, Marc | | | 1979 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Paciulli, Frank | | | 1944 | USA | 1.00 | 1 | 0.41 | 15 | 6.15 | |
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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