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Individual Calculations January 2012 |
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| Margiotta, Jason J Total change: -31.65 | |   |
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| 2011 Marshall Chess Club Championship | New York, New York | USA | 2011-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2030 | 1983 | 1.00 | 5 | -1.19 | 15 | -17.85 | |
|  Reverby, Miro | | | 2153 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | |  Katz, Benjamin | | | 2088 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Layevskiy, Michael | | | 1979 | USA | 0.50 | 1 | -0.01 | 15 | -0.15 | | | Frumkin, Edward A | | | 1994 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Paciulli, Frank R | | | 1938 | USA | 0.50 | 1 | -0.06 | 15 | -0.90 | |
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) | | | | 2011 Marshall November Grand Prix | New York, New York | USA | 2011-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1988 | 0.00 | 2 | -0.78 | 15 | -11.70 | |
| | Black Jr, James A | | | 2132 | USA | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Kopiecki, Edward P | | | 2011 | USA | 0.00 | 1 | -0.47 | 15 | -7.05 | |
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) | | | | 2011 Marshall December Grand Prix | New York, New York | USA | 2011-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2129 | 1988 | 0.50 | 2 | -0.14 | 15 | -2.10 | |
| | Treger, Yefim | | | 2202 | USA | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Moon, Kyle | | | 2056 | USA | 0.00 | 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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