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Individual Calculations October 2018 |
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| Cohen, Lawrence Total change: 0.40 | |   |
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| 68th Annual Oregon Open | Portland, Oregon | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1821 | 1.00 | 4 | 0.02 | 20 | 0.40 | |
|  Zavortink, Matt | | | 2115 | USA | 0.00 | 1 | -0.15 | 20 | -3.00 | |  Baumgartner, Christopher | | | 1810 | USA | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Roper, David | f | | 2182 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Seitzer, Phillip | | | 2050 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | |
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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