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Individual Calculations August 2017 |
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| Poehlmann, Roger Total change: -25.60 | |   |
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| GM Marcel Sisniega Marathon | Berkeley, California | USA | 2017-06-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1914 | 2209 | 3.50 | 5 | -0.59 | 20 | -11.80 | |
|  Shrauger, Alex Hayden | | | 1809 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Auyoung, Nathan | | | 1809 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | O`connor, Derek | | | 2206 | USA | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Kim, Isaiah | | | 1935 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | | | Riese, Kayven | | | 1809 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | 2017 Peoples Tournament | Berkeley, California | USA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 2209 | 2.50 | 4 | -0.69 | 20 | -13.80 | |
| | Sartorio, William | | | 1809 * | USA | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Karnavat, Ojas | | | 1809 * | IND | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Ke, Ivan | | | 2197 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Vidyarthi, Vyom | | | 1934 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | | | * 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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