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Individual Calculations January 2023 |
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| Qi, Jenny Total change: 31.20 | |   |
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| 57th American Open - Under 2200 | Orange, CA | USA | 2022-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1614 | 1525 | 3.50 | 8 | 0.45 | 40 | 18.00 | |
|  Lu, Byron T | | | 1596 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Yao, Hanchi | | | 1618 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Zhou, Vanessa G | | | 1660 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Xu, Jayden | | | 1612 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Maheshwari, Vedant | | | 1740 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Indukuri, Suhas Varma | | | 1463 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | | | Ganesan, Vikrant | | | 1579 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Sabyrov, Muradhan Emir | | | 1641 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | |
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) | | | | 1000GM December BonaFIDE Bay Area Swiss: 1700-1999 | San Jose, CA | USA | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1525 | 2.00 | 2 | 0.98 | 40 | 39.20 | |
| | Bao, James | | | 1420 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Ho, Michael | | | 1610 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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) | | | | 4th Annual Donaldson Championship - 1600-1999 | San Francisco, California | USA | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1355 | 1525 | 1.50 | 3 | -0.65 | 40 | -26.00 | |
| | Fan, Jimmy Qinmo | | | 1241 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Chitta, Adithya | | | 1376 | USA | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Penagalapati, Anvitha | | | 1448 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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) | | |
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