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Individual Calculations February 2020 |
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| Kaufman, Lawrence Charles Total change: -6.70 | |   |
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| 2020 Chesapeake Open - Championship | Rockville, Maryland | USA | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2019 | 2195 | 1.50 | 3 | -0.67 | 10 | -6.70 | |
|  Bonam, Saigautam | | | 1907 | USA | 0.50 | 1 | -0.34 | 10 | -3.40 | |  Zhang, Samuel | | | 2039 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | Chabris, Christopher F | | | 2111 | USA | 0.00 | 1 | -0.62 | 10 | -6.20 | |
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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