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Individual Calculations January 2011 |
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| Rosenberg, Evan S Total change: -10.20 | |   |
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| 2010 Marshall November Grand Prix | New York, New York | USA | 2010-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 2213 | 2.00 | 3 | -0.14 | 15 | -2.10 | |
|  Tom, George | | | 2030 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | |  Berg, George P | | | 2088 | USA | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Kreitner, Ilan | | | 2034 | USA | 1.00 | 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) | | | | 41st Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2010-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2213 | 2.50 | 6 | -0.54 | 15 | -8.10 | |
| | Itkis, Hana | | wf | 2087 | USA | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Shabalov, Alexander | g | | 2591 | USA | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Lapshun, Yury | m | | 2436 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Kis, Lorand B | | | 2108 | USA | 1.00 | 1 | 0.36 | 15 | 5.40 | | | Defibaugh, Jared | | | 2121 | USA | 0.00 | 1 | -0.63 | 15 | -9.45 | | | Chiang, Michael | | | 1982 | USA | 0.00 | 1 | -0.79 | 15 | -11.85 | |
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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