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Individual Calculations October 2018 |
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| Rachmuth, Moshe Total change: -26.40 | |   |
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| 68th Annual Oregon Open | Portland, Oregon | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1933 | 1964 | 1.50 | 4 | -0.66 | 40 | -26.40 | |
|  Zavortink, Matt | | | 2115 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | |  Koontz, Carl | | | 1765 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Seitzer, Phillip | | | 2050 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Zhang, Gavin | | | 1800 | USA | 0.00 | 1 | -0.72 | 40 | -28.80 | |
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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