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Individual Calculations December 2021 |
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| Petrosyan, Alexander Total change: -7.20 | |   |
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| 16th Annual Los Angeles Open - Major | Van Nuys, California | USA | 2021-11-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1921 | 2.00 | 4 | -0.36 | 20 | -7.20 | |
|  Costello, Alexander John | m | | 2249 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | |  Nathan, Nitish Sg | c | | 1750 | USA | 0.00 | 1 | -0.73 | 20 | -14.60 | | | Bennett, Brent | | | 1629 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Vu, Leonard | | | 1814 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | |
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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