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Individual Calculations October 2017 |
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| Watson, John L Total change: -1.20 | |   |
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| 2017 Southern California Open | San Diego, California | USA | 2017-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2119 | 2247 | 2.50 | 4 | -0.12 | 10 | -1.20 | |
|  Perkins, Joaquin K | c | | 2037 | USA | 1.00 | 1 | 0.23 | 10 | 2.30 | |  Formanek, Edward W | m | | 2081 | USA | 0.50 | 1 | -0.22 | 10 | -2.20 | | | Ghazarian, Kirk | | | 1931 | USA | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Bryant, John Danie | m | | 2428 | USA | 0.00 | 1 | -0.26 | 10 | -2.60 | |
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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