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Individual Calculations September 2019 |
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| McCartney, Patrick Total change: -28.60 | |   |
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| 2019 Michigan Bottom Half Class | Lansing, Michigan | USA | 2019-07-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 1879 | 1.00 | 3 | -0.82 | 20 | -16.40 | |
|  Davidovich, Manis | | | 2009 | USA | 0.00 | 1 | -0.32 | 20 | -6.40 | |  Williams, Ronald | | | 1761 | USA | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Wilkes, Brelen | | | 1594 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | 2019 North Carolina Open | Greensboro, North Carolina | USA | 2019-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1779 | 1887 | 2.50 | 5 | -0.61 | 20 | -12.20 | |
| | Biernacki, Mark | | | 1893 | USA | 0.50 | 1 | 0.01 | 20 | 0.20 | | | Kumar, Arya | | | 1924 | USA | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Jiang, Andrew | | | 1487 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Jiang, Andrew | | | 1738 | USA | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Deshpande, Neil | | | 1852 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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