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Individual Calculations March 2013 |
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| Hellner, Wesley Total change: -3.90 | |   |
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| 2012 Marshall Amateur Championship - Jerry Simon Memorial | New York, New York USA | USA | 2012-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1810 | 0.50 | 2 | -0.25 | 30 | -7.50 | |
|  Cohen Solal, Leo | | | 1759 | FRA | 0.50 | 1 | -0.07 | 30 | -2.10 | | | Cohn, Zachary H | | | 2076 | USA | 0.00 | 1 | -0.18 | 30 | -5.40 | |
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) | | | | 2013 MCC February Grand Prix | New York, New York | USA | 2013-02-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2051 | 1802 | 0.50 | 2 | 0.12 | 30 | 3.60 | |
| | Berg, George P | | | 2081 | USA | 0.50 | 1 | 0.34 | 30 | 10.20 | |  Barsky, Sam Alex | | | 2020 | USA | 0.00 | 1 | -0.22 | 30 | -6.60 | |
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) | | |
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