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Individual Calculations October 2017 |
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| Zavortink, Matt Total change: 5.60 | |   |
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| 67th Annual Oregon Open | Portland, Oregon | USA | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2078 | 2127 | 3.50 | 6 | 0.14 | 40 | 5.60 | |
|  Koontz, Carl A | | | 1788 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | |  Sherrard, Jerry | | | 1938 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Breckenridge, Steven | f | | 2292 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Tarjan, James E | g | | 2412 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Seitzer, Phillip | | | 2063 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Rupel, David | | | 1975 | USA | 0.50 | 1 | -0.20 | 40 | -8.00 | |
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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