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Individual Calculations October 2018 |
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| Grabinsky, Joshua Total change: 24.80 | |   |
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| 68th Annual Oregon Open | Portland, Oregon | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1979 | 4.00 | 6 | 0.62 | 40 | 24.80 | |
|  Vega, Isaac | | | 1659 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | |  Zhang, Gavin | | | 1800 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | He, Anthony | f | | 2243 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Rupel, David | | | 1978 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Shubin, Daniel | | | 1725 | USA | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Haessler, Carl | | | 2135 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | |
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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