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Individual Calculations February 2023 |
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| Akopian, Robert Total change: -2.20 | |   |
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| 32nd annual North American Open - U2300 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1918 | 1957 | 1.50 | 3 | -0.11 | 20 | -2.20 | |
|  Han, Qiyu Joe | | | 1679 | USA | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Rosenthal, Nicholas J | | | 2101 | USA | 0.50 | 1 | 0.19 | 20 | 3.80 | | | Macaspac, Arthur | | | 1975 | USA | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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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