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Individual Calculations September 2021 |
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| Bui, Alan Total change: -17.60 | |   |
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| 2021 North American Youth Chess Championships - Open Under 16 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1904 | 1898 | 2.00 | 5 | -0.44 | 40 | -17.60 | |
|  Wang, Ellen | | wm | 2088 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Rusonik, Max | c | | 2047 | CAN | 0.00 | 1 | -0.30 | 40 | -12.00 | |  Phipps, Daniel | | | 1676 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Karthik, Advaith | | | 1953 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | | | Vu, Leonard | | | 1758 | USA | 0.50 | 1 | -0.19 | 40 | -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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