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Individual Calculations August 2021 |
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| Liu, Kelsey Total change: 140.40 | |   |
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| 14th Annual Philadelphia International - Expert | Philadelphia, Pennsylvania | USA | 2021-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1488 | 4.00 | 8 | 2.33 | 40 | 93.20 | |
|  Su, Kenneth | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Serrato, Rafael | | | 1793 | COL | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Aggarwal, Vansh | | | 1888 * | IND | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Hua, Charles | | | 1888 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Tyau, Christopher | | | 1533 | USA | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Kumar, Sanjay | | | 1345 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Shawkat, Saif | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Mucerino, Joseph J | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1800 | 1488 | 2.50 | 8 | 1.18 | 40 | 47.20 | |
| | Zhang, Samuel | | | 1888 * | USA | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Tang, Zoey | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Airapetian, Chouchanik | | wf | 1888 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Bader, Jeremy | | | 1825 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Malyshev, Roman P | | | 1888 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Al-Adsani, Sami | | | 1656 | KUW | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Harish, Neeraj | | | 1477 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Padmanabhan, Karthik Sai | | | 1888 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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