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Individual Calculations May 2012 |
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| Kopiecki, Edward P Total change: 25.95 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2318 | 1990 | 0.00 | 2 | -0.26 | 15 | -3.90 | |
|  Goletiani, Rusudan | m | wg | 2344 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Dorobanov, Svetoslav | f | | 2292 | USA | 0.00 | 1 | -0.15 | 15 | -2.25 | |
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 March Grand Prix | New York, New York | USA | 2012-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2174 | 1980 | 0.50 | 2 | -0.03 | 15 | -0.45 | |
| | Polyakin Jr, Vladimir | | | 2077 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Bodek, Michael H | | | 2270 | USA | 0.00 | 1 | -0.16 | 15 | -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) | | | | 2012 March-April FIDE Monday | New York, New York | USA | 2012-03-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 1980 | 3.50 | 5 | 2.03 | 15 | 30.45 | |
| | Evans, Cory A | | | 2156 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Scher, Edward | | | 1991 | USA | 1.00 | 1 | 0.52 | 15 | 7.80 | | | Sena, Juan | | | 2141 | DOM | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Katz, Benjamin | | | 2122 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Bonin, Jay Richard | m | | 2313 | USA | 0.50 | 1 | 0.38 | 15 | 5.70 | |
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 March/April Grand Prix | New York, New York | USA | 2012-03-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2101 | 1980 | 1.00 | 3 | -0.01 | 15 | -0.15 | |
| | Reverby, Miro | | | 2156 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Privman, Boris | f | | 2102 | USA | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Berg, George P | | | 2045 | USA | 0.50 | 1 | 0.09 | 15 | 1.35 | |
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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