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Individual Calculations April 2009 |
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| Lewis, James E Total change: -11.25 | |   |
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| 39th Annual World Amateur Team & US Team East | Parsippany, New Jersey | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2322 | 2260 | 0.50 | 3 | -0.75 | 15 | -11.25 | |
|  Basescu, Neil | | | 2230 | USA | 0.00 | 1 | -0.54 | 15 | -8.10 | | | Kaufman, Lawrence | g | | 2409 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Zlotnikov, Mikhail | m | | 2327 | 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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