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Individual Calculations May 2013 |
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| Lunna, Todd W Total change: -3.30 | |   |
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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 |
| 2154 | 2237 | 1.00 | 2 | -0.22 | 15 | -3.30 | |
|  Langer, Michael | f | | 2221 | USA | 0.50 | 1 | -0.02 | 15 | -0.30 | | | Bowersock, Michael | | | 2086 | USA | 0.50 | 1 | -0.20 | 15 | -3.00 | |
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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