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Individual Calculations February 2023 |
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| Xiao, Marina Total change: 56.40 | |   |
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| 32nd annual North American Open - U2100 | Paradise, Nevada | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1436 | 1426 | 2.50 | 4 | 0.40 | 40 | 16.00 | |
|  Ma, Matthew | | | 1044 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Kodipparambil, Advaith G | | | 1298 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Sheppard, Dore A | | | 1966 | USA | 0.00 | 1 | -0.03 | 40 | -1.20 | | | Mok, Gillian | | | 1435 | CAN | 0.50 | 1 | 0.01 | 40 | 0.40 | |
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) | | | | 2023 New Year Championship - MX | Milpitas, California | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2000 | 1435 | 0.00 | 1 | -0.02 | 40 | -0.80 | |
| | Guo, Ethan | | | 2000 | USA | 0.00 | 1 | -0.02 | 40 | -0.80 | |
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) | | | | 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1519 | 1435 | 3.00 | 5 | 1.03 | 40 | 41.20 | |
| | Adkins, Rico | | | 1596 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Melville, Cailen | | | 1670 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Yuan, Serena | | | 1477 | USA | 0.50 | 1 | 0.06 | 40 | 2.40 | | | Kulkarni, Neil | | | 1457 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | Penagalapati, Anvitha | | | 1394 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | |
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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