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Individual Calculations July 2023 |
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| Zoffer, Oskar Total change: -4.40 | |   |
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| 91st Massachusetts Open | Westford, MA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1846 | 1694 | 1.50 | 5 | -0.11 | 40 | -4.40 | |
|  Riaz, Rayhan | | | 1615 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | |  Feng, Eric Z | | | 1951 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Xie, Charles | | | 1687 | USA | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Liu, Kelsey | | | 2043 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Smirnov, William | | | 1935 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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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