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Individual Calculations April 2018 |
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| Chen, Jacob Total change: -48.40 | |   |
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| 40th Annual Marchand Open | Rochester, New York | USA | 2018-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 2149 | 2.00 | 4 | -1.21 | 40 | -48.40 | |
|  Kang, Dorian | c | | 1883 | CAN | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Manning, John | | | 1843 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | |  Calvelo, Jelvis | | | 1942 | PHI | 0.00 | 1 | -0.77 | 40 | -30.80 | | | Phelps, David | | | 1947 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | |
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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