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Individual Calculations February 2023 |
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| Cohen, Ed Total change: -33.60 | |   |
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| 32nd annual North American Open - U2100 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1878 | 0.00 | 2 | -1.68 | 20 | -33.60 | |
|  Chen, Patrick Peiran | | | 1514 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | |  Blackman, Ryan K | | | 1661 | USA | 0.00 | 1 | -0.78 | 20 | -15.60 | |
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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