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Individual Calculations August 2023 |
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| Li, Sophie Total change: -0.40 | |   |
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| 51st annual World Open - U2000 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1534 | 1550 | 2.50 | 5 | -0.11 | 40 | -4.40 | |
|  Shernoff, Leon | | | 1862 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Gorelik, Dimitry | | | 1660 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | |  Vadderaju, Sudeep | | | 1567 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Skariah, Anushka E | | | 1269 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Koppelman, Eitan Ben | | | 1314 | USA | 1.00 | 1 | 0.20 | 40 | 8.00 | |
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) | | | | The 1st Annual DMV Open | Sterling, Virginia | USA | 2023-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1742 | 1495 | 1.50 | 4 | 0.64 | 40 | 25.60 | |
| | Kyle, Zhuang | | | 1773 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Owen, Levine | | | 1715 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Hyland, Mark | | | 1912 | USA | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Lila, Field | | | 1567 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | | 53rd annual Continental Open - U2100 | Marlborough, MA | USA | 2023-07-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1495 | 2.00 | 7 | -0.54 | 40 | -21.60 | |
| | Sansing, Richard | | | 1580 | USA | 0.50 | 1 | 0.12 | 40 | 4.80 | | | Riaz, Rayhan | | | 1583 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Leszczynski, Philip | | | 1627 | USA | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Qiao, Ethan | | | 1584 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | | | Mott, Skyler | | | 1616 | USA | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Schaefer, Sasha Milo | | | 1662 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Wagner, Camden I | | | 1524 | USA | 0.00 | 1 | -0.46 | 40 | -18.40 | |
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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