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Individual Calculations October 2018 |
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| Rupel, David Total change: -24.60 | |   |
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| 68th Annual Oregon Open | Portland, Oregon | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1830 | 1978 | 1.50 | 4 | -1.23 | 20 | -24.60 | |
|  Velea, Anne-Marie | | | 1799 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | |  Vega, Isaac | | | 1659 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Grabinsky, Joshua | c | | 1979 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Moore, Michael | | | 1882 | USA | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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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