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Individual Calculations October 2018 |
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| Zavortink, Matt Total change: 44.80 | |   |
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| 68th Annual Oregon Open | Portland, Oregon | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2145 | 2115 | 5.00 | 6 | 2.24 | 20 | 44.80 | |
|  Rachmuth, Moshe | | | 1964 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | |  Cohen, Lawrence | | | 1821 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Haessler, Carl | | | 2135 | USA | 1.00 | 1 | 0.53 | 20 | 10.60 | | | He, Anthony | f | | 2243 | USA | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Peng, Shunkai | f | | 2304 | CHN | 1.00 | 1 | 0.75 | 20 | 15.00 | | | Tarjan, James | g | | 2404 | USA | 0.50 | 1 | 0.34 | 20 | 6.80 | |
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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