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Individual Calculations May 2013 |
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| Williams, Chris Total change: -21.45 | |   |
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| 43rd Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2013-02-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2130 | 2150 | 1.50 | 3 | -0.09 | 15 | -1.35 | |
|  Zilbermintz, Lev | | | 2038 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Lwin, Aung Kyaw | | | 2073 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | |  Chua, Alexander | | | 2279 | USA | 0.50 | 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) | | | | 7th Annual Philadelphia Open - Master Section | Philadelphia, Pennsylvania | USA | 2013-03-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2193 | 2150 | 0.00 | 3 | -1.34 | 15 | -20.10 | |
| | Mulyar, Michael A | m | | 2382 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Zenyuk, Iryna | c | wm | 2263 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Helfst, Matt D | | | 1933 | USA | 0.00 | 1 | -0.78 | 15 | -11.70 | |
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) | | |
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