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Individual Calculations February 2023 |
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| Yi, Colin Total change: -3.20 | |   |
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| 2023 New Year Championship - AB | Milpitas, California | USA | 2023-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1399 | 1373 | 1.50 | 3 | 0.11 | 40 | 4.40 | |
|  Meiyappan, Kavya | | | 1383 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | | | Pulijala, Akshaj | | | 1420 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | |  Benaid, Henry | | | 1393 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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) | | | | 14th annual Golden State Open - U2100 Section | Concord, CA | USA | 2023-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1498 | 1373 | 1.50 | 5 | -0.19 | 40 | -7.60 | |
| | Zhou, Tony | | | 1616 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Yuan, Serena | | | 1477 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Zhuge, Katherine | | | 1500 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Guo, Ella | | | 1510 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Srinivasan, Sivavishnu | | | 1385 | USA | 0.50 | 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) | | |
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