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Individual Calculations September 2021 |
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| Lee, Yesun Kate Total change: 44.80 | |   |
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| 26th Annual Pacific Coast Open - Under 2100 | Van Nuys, California | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1725 | 1683 | 1.00 | 3 | -0.33 | 40 | -13.20 | |
|  Roberts, Vincent Henry | | | 1751 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | |  Pulley, Stephen | | | 1689 | USA | 0.00 | 1 | -0.49 | 40 | -19.60 | | | Andranigian, Armen | | | 1735 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |
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) | | | | 11th Annual Central California Open - Open | Fresno, California | USA | 2021-08-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 1743 | 3.00 | 5 | 1.45 | 40 | 58.00 | |
| | Chubakov, Sultan | | | 2022 | KGZ | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Nathan, Nitish Sg | c | | 1823 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Atwell, Rose | | | 1858 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Pulley, Stephen | | | 1689 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Chen, Jonathan | | | 2143 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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