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Individual Calculations May 2012 |
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| Sena, Juan Total change: 4.05 | |   |
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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 |
| 2029 | 2127 | 3.00 | 3 | 1.11 | 15 | 16.65 | |
|  Romero, Steve | | | 1982 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Murray, Michael A | | | 2007 | USA | 1.00 | 1 | 0.34 | 15 | 5.10 | | | Swaminathan, Rahul | | | 2097 | USA | 1.00 | 1 | 0.46 | 15 | 6.90 | |
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 |
| 2003 | 2141 | 2.00 | 4 | -0.64 | 15 | -9.60 | |
| | Hains, Jonathan | | | 1943 | USA | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Bonin, Jay Richard | m | | 2313 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Kopiecki, Edward P | | | 1980 | USA | 0.00 | 1 | -0.71 | 15 | -10.65 | | | Aregbeyen, Aigboje | | | 1774 | USA | 1.00 | 1 | 0.10 | 15 | 1.50 | |
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 |
| 2252 | 2141 | 0.50 | 2 | -0.20 | 15 | -3.00 | |
| | Black Jr, James A | | | 2190 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Bonin, Jay Richard | m | | 2313 | USA | 0.00 | 1 | -0.27 | 15 | -4.05 | |
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) | | |
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