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Individual Calculations March 2012 |
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| Parhami, Payam Total change: 32.40 | |   |
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| 30th Annual Empire City Open | New York, New York | USA | 2011-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2212 | 2048 | 1.00 | 3 | 0.14 | 30 | 4.20 | |
|  Pressman, Leif A | f | | 2284 | USA | 0.00 | 1 | -0.20 | 30 | -6.00 | |  Williams, Alan P | | | 2212 | USA | 1.00 | 1 | 0.72 | 30 | 21.60 | | | Marinello, Beatriz | | wm | 2139 | USA | 0.00 | 1 | -0.38 | 30 | -11.40 | |
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) | | | | Marshall Chess Club Jan/Feb FIDE Monday | New York, New York | USA | 2012-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2031 | 2006 | 2.00 | 3 | 0.60 | 30 | 18.00 | |
| | Kopiecki, Edward P | | | 1990 | USA | 0.50 | 1 | -0.02 | 30 | -0.60 | | | Hains, Jonathan | | | 1973 | USA | 1.00 | 1 | 0.45 | 30 | 13.50 | | | Hernandez, Joel Jesus | | | 2130 | USA | 0.50 | 1 | 0.17 | 30 | 5.10 | |
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 February Grand Prix | New York, New York | USA | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2006 | 1.00 | 3 | 0.34 | 30 | 10.20 | |
| | Black Jr, James A | | | 2163 | USA | 1.00 | 1 | 0.71 | 30 | 21.30 | | | Sarkar, Justin | m | | 2370 | USA | 0.00 | 1 | -0.10 | 30 | -3.00 | | | Datta, Deepyaman | | | 2184 | USA | 0.00 | 1 | -0.27 | 30 | -8.10 | |
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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