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Individual Calculations February 2023 |
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| Guo, Ella Total change: -13.20 | |   |
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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 | 1510 | 3.00 | 5 | 0.09 | 40 | 3.60 | |
|  Phillips, Ryan | | | 1777 | USA | 0.50 | 1 | 0.32 | 40 | 12.80 | | | Page, Jordan | | | 1568 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | |  Li, Edward | | | 1425 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Kodipparambil, Advaith G | | | 1298 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Ma, Matthew | | | 1110 * | USA | 1.00 | 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) | | | | 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1448 | 1510 | 2.50 | 5 | -0.42 | 40 | -16.80 | |
| | Cole, Christopher | | | 1692 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Srinivasan, Sivavishnu | | | 1385 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Bhattacharjya, Rishi | | | 1376 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Yi, Colin | | | 1373 | USA | 0.50 | 1 | -0.18 | 40 | -7.20 | | | Lu, Katherine Sunny | | | 1412 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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) | | |
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