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Individual Calculations January 2023 |
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| Qiu, Laurie Total change: 27.60 | |   |
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| 2022 People Class Warfare Championship - AB | Milpitas, California | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1566 | 1519 | 0.50 | 3 | -0.81 | 40 | -32.40 | |
|  Oshima, Daniel T | | | 1641 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | |  Vale Cruz, Armin | | | 1508 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Jin, David | | | 1548 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | |
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) | | | | 1000GM December BonaFIDE Bay Area Swiss: 1700-1999 | San Jose, CA | USA | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1333 | 1519 | 2.00 | 3 | -0.21 | 40 | -8.40 | |
| | Fan, Jimmy | | | 1241 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Bao, James | | | 1420 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Yi, Colin | | | 1339 | USA | 0.50 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | 4th Annual Donaldson Championship - 1600-1999 | San Francisco, California | USA | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1598 | 1519 | 3.00 | 3 | 1.71 | 40 | 68.40 | |
| | Hack, Richard | | | 1481 | USA | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Bhingarkar, Pratyush | | | 1406 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Sanguinetti, George A | | | 1906 | USA | 1.00 | 1 | 0.91 | 40 | 36.40 | |
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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