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Individual Calculations September 2015 |
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| Karell, Leif K Total change: 6.20 | |   |
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| 5th Annual Potomac Open | Rockville, Maryland | USA | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 1956 | 1.50 | 4 | 0.31 | 20 | 6.20 | |
|  Zimmer, Ralph | f | | 2230 | USA | 0.00 | 1 | -0.17 | 20 | -3.40 | |  Sinha, Sahil | | | 2137 | USA | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Cao, Alvin | | | 1986 | USA | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Clancy, Daniel J | | | 2107 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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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