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Individual Calculations July 2018 |
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| Costanza, Mitchell Total change: 12.80 | |   |
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| 2018 U.S. Senior Open | Kenner, Louisiana | USA | 2018-06-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1957 | 1779 | 1.50 | 4 | 0.32 | 40 | 12.80 | |
|  Land, Chris | f | | 2166 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Etienne, Jace | | | 1704 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | |  Rusyniak, George | | | 1985 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Hulse, Brian | f | | 1972 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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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