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Individual Calculations December 2021 |
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| Risk, Gregory Total change: 15.20 | |   |
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| 30th Annual Kings Island Open - Under 2100 | Blue Ash, Ohio | USA | 2021-11-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1386 | 1763 | 0.50 | 1 | -0.41 | 40 | -16.40 | |
|  Raj, Ria | | | 1386 | USA | 0.50 | 1 | -0.41 | 40 | -16.40 | |
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) | | | | 2021 North Carolina Open | Charlotte, North Carolina | USA | 2021-11-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 1763 | 2.00 | 3 | 0.79 | 40 | 31.60 | |
|  Marian, Aaron | | | 1543 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Chen, Alex | c | | 1992 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Curcuru, John | | | 1988 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | |
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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