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Individual Calculations March 2013 |
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| Armentrout, Steven Total change: 20.10 | |   |
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| 51st Annual Baltimore Open | Columbia, Maryland | USA | 2013-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1857 | 1.50 | 3 | 0.67 | 30 | 20.10 | |
|  Chang, Jeffrey E | | | 1955 | USA | 0.50 | 1 | 0.13 | 30 | 3.90 | |  Selzler, Richard | | | 2211 | USA | 0.00 | 1 | -0.11 | 30 | -3.30 | | | Books, Muskee | | | 1964 | USA | 1.00 | 1 | 0.65 | 30 | 19.50 | |
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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