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Individual Calculations November 2022 |
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| Peraino, Andrew Total change: -8.40 | |   |
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| 63rd Annual U.S. Armed Forces Open Chess Championship | McGuire Air Force Base, NJ | USA | 2022-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1843 | 1965 | 1.50 | 3 | -0.42 | 20 | -8.40 | |
|  Middaugh, Jon | | | 1856 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | |  Lee, Addison T | | | 2047 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | | | Donovan, Michael E | | | 1627 | USA | 0.50 | 1 | -0.38 | 20 | -7.60 | |
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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