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Individual Calculations September 2023 |
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| Zhou, Celina Total change: 145.20 | |   |
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| 1000GM Summer Championship - 1800-2099 | Sunnyvale, CA | USA | 2023-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1581 | 1458 | 2.00 | 6 | -0.28 | 40 | -11.20 | |
|  Posadas, Rayelynn | | | 1661 | ENG | 0.50 | 1 | 0.26 | 40 | 10.40 | |  Dash, Rohan | | | 1521 | SGP | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Penagalapati, Anvi | | | 1402 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | | | Perlov, Daniel Rob | | | 1578 | USA | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Yi, Colin | | | 1323 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Briceno Ovalles, D | | | 1999 | VEN | 0.00 | 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) | | | | July BAC Real Championship - MX | Milpitas, California | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1458 | 1.50 | 2 | 1.20 | 40 | 48.00 | |
| | Patil, Yashas | | | 1746 | USA | 1.00 | 1 | 0.84 | 40 | 33.60 | | | Ganesan, Vikrant | | | 1771 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | July BAC Real Championship - AB | Milpitas, California | USA | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1593 | 1458 | 1.50 | 2 | 0.85 | 40 | 34.00 | |
| | Vale Cruz, Armin | | | 1509 | USA | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Tia, Rudy Goce, Jr | | | 1676 | PNG | 0.50 | 1 | 0.28 | 40 | 11.20 | |
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) | | | | 11th Annual WIM Ruth Haring National Tournament of Girls State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1458 | 3.00 | 5 | 1.96 | 40 | 78.40 | |
| | Aravindakshan, Sahana | | | 1965 | USA | 0.50 | 1 | 0.46 | 40 | 18.40 | | | Nguyen, Chance | | wc | 1491 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Yan, Ruiyang | f | wc | 2206 | USA | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Wang, Lilian | | | 1710 | USA | 1.00 | 1 | 0.81 | 40 | 32.40 | | | Ramesh, Sanjana | | | 1564 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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) | | | | 18th annual Indianapolis Open - U2100 | Indianapolis, IN | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1824 | 1458 | 0.00 | 1 | -0.10 | 40 | -4.00 | |
| | Burns, Randas L | | | 1824 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | |
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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