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Individual Calculations September 2015 |
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| Spencer, Michael A Total change: 4.60 | |   |
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| 5th Annual Potomac Open | Rockville, Maryland | USA | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1958 | 2.50 | 5 | 0.23 | 20 | 4.60 | |
|  Privman, Boris | f | | 2129 | USA | 0.00 | 1 | -0.27 | 20 | -5.40 | |  Kobla, Vishal | | | 1865 | USA | 0.00 | 1 | -0.63 | 20 | -12.60 | | | Reichstein, Boris | f | | 2040 | USA | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Steincamp, Isaac K | | | 1921 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Tang, Arthur | | | 2008 | USA | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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