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Individual Calculations August 2023 |
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| Li, Mason Jin Total change: -4.40 | |   |
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| 2nd annual World Open Amateur | Philadelphia, PA | USA | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1548 | 1654 | 1.00 | 4 | -1.52 | 40 | -60.80 | |
|  Carey, Michael P | | | 1860 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | |  Nair, Sarvesh | | | 1318 | USA | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Luo, Wesley | | | 1490 | USA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Han, Leqi | | | 1522 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | |
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) | | | | 51st annual World Open - U2000 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1715 | 1654 | 3.50 | 5 | 1.41 | 40 | 56.40 | |
| | Martin, Drew | | | 1754 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Parsons, Justin R | | | 1719 | BAR | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Papanek, Ella Sharpe | | | 1655 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Dalhouse, Justin | | | 1818 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Laido, Olivia | | | 1627 | USA | 1.00 | 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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