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Individual Calculations March 2012 |
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| Margiotta, Jason J Total change: 24.30 | |   |
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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 |
| 2173 | 1988 | 2.50 | 4 | 1.45 | 15 | 21.75 | |
|  Black Jr, James A | | | 2132 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | |  Vilenchuk, Michael | | | 2219 | USA | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Chernin, Oliver | | | 2165 | USA | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Prilleltensky, Matan | | | 2175 | USA | 0.50 | 1 | 0.24 | 15 | 3.60 | |
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) | | | | 2012 Marshall January Grand Prix | New York, New York | USA | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2234 | 1956 | 0.00 | 1 | -0.17 | 15 | -2.55 | |
| | Tuhrim, Richard J | | | 2234 | USA | 0.00 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | 44th Annual Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2012-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2044 | 1956 | 2.50 | 6 | 0.15 | 15 | 2.25 | |
| | Malkiel, Daniel E | | | 2228 | USA | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Ellenbogen, Michael | | | 2115 | USA | 1.00 | 1 | 0.71 | 15 | 10.65 | | | Most, Eric M | | | 2158 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Strenzwilk, Denis | | | 1980 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | | | Ding, Kimberly | | wf | 1915 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Regam, Jessica | | | 1869 | USA | 1.00 | 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 Marshall February Grand Prix | New York, New York | USA | 2012-02-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 1956 | 1.00 | 2 | 0.19 | 15 | 2.85 | |
| | Gutierrez, Michael | | | 1803 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Bonin, Jay Richard | m | | 2311 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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