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Individual Calculations May 2012 |
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| Santana, Joan E Total change: -18.90 | |   |
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| 42nd Annual World Amateur Team and US Team East | Parsippany, New Jersey | USA | 2012-02-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 2180 | 1.00 | 4 | -1.26 | 15 | -18.90 | |
|  O`Brien, Matthew J | | | 1916 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | |  Lima, Louis | | | 1961 | USA | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Norowitz, Yaacov | | | 2383 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Shvartsman, Andrew | c | | 2234 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | |
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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