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Individual Calculations December 2012 |
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| Buchman, Jeffrey I Total change: -24.90 | |   |
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| 21st Annual Kings Island Open | Mason, Ohio | USA | 2012-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2079 | 1839 | 0.00 | 4 | -0.83 | 30 | -24.90 | |
|  Wygle, Stephen L | | | 2195 | USA | 0.00 | 1 | -0.11 | 30 | -3.30 | |  Odonnell, Robert E | | | 2049 | USA | 0.00 | 1 | -0.23 | 30 | -6.90 | | | Opaska, Michael P | | | 2031 | USA | 0.00 | 1 | -0.25 | 30 | -7.50 | | | Hughes, John Lodger | | | 2039 | USA | 0.00 | 1 | -0.24 | 30 | -7.20 | |
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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