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Individual Calculations January 2023 |
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| Yao, Hanchi Total change: 25.20 | |   |
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| 57th American Open - Under 2200 | Orange, CA | USA | 2022-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1618 | 1.00 | 4 | -1.33 | 40 | -53.20 | |
|  Vichare, Ruhan Yogesh | | | 1308 | USA | 0.00 | 1 | -0.86 | 40 | -34.40 | |  Qi, Jenny | | | 1525 | USA | 0.00 | 1 | -0.63 | 40 | -25.20 | | | Gopalakrishnan, Kritin Rohan | | | 1530 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Eswaran, Aksithi | | wc | 1837 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | |
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) | | | | 1000GM December BonaFIDE Bay Area Swiss: 2000 and up | San Jose, CA | USA | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1941 | 1618 | 2.00 | 5 | 1.32 | 40 | 52.80 | |
| | Atwell, Rose | | | 1956 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Weng, Nicholas | | | 1812 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Guo, Andrew | | | 1925 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Qin, Vincent | | | 2034 | USA | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Yan, Nathan | | | 1978 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | 4th Annual Donaldson Championship - 2000 and up | San Francisco, California | USA | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1618 | 2.00 | 4 | 0.64 | 40 | 25.60 | |
| | Biyiasas, Theodore | | | 1910 | USA | 0.50 | 1 | 0.35 | 40 | 14.00 | | | Karthi, Jashith | | | 1722 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Xu, Jayden | | | 1612 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Wong, Andrew Yun | | | 1736 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | |
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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