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Individual Calculations September 2023 |
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| Mariappan, Anish M Total change: -82.46 | |   |
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| 10th Annual Potomac Open - Championship | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2015 | 1969 | 2.00 | 5 | -0.20 | 31 | -6.20 | |
|  Su, Kevin | | | 1883 | USA | 1.00 | 1 | 0.38 | 31 | 11.78 | |  Dehmelt, Karl | f | | 2136 | USA | 0.00 | 1 | -0.28 | 31 | -8.68 | | | Wu, William | | | 2029 | USA | 1.00 | 1 | 0.58 | 31 | 17.98 | | | Hebbar, Eshaan | c | | 1978 | USA | 0.00 | 1 | -0.49 | 31 | -15.19 | | | Chabris, Christopher F | c | | 2051 | USA | 0.00 | 1 | -0.39 | 31 | -12.09 | |
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) | | | | 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1777 | 1988 | 2.00 | 4 | -0.90 | 31 | -27.90 | |
| | Tahmassebi, Bijan | | | 2172 | USA | 0.00 | 1 | -0.26 | 31 | -8.06 | | | Amin, Tariq M | | | 1588 * | USA | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Yue, Andy | | | 1702 | USA | 0.00 | 1 | -0.84 | 31 | -26.04 | | | Kumbharathi, Vedansh | | | 1644 | USA | 1.00 | 1 | 0.12 | 31 | 3.72 | | | * 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) | | | | 10th Annual Washington International - Premier | Rockville, MD | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1912 | 1988 | 5.00 | 9 | -0.24 | 31 | -7.44 | |
| | Shin, David | | | 1588 * | USA | 1.00 | 1 | 0.08 | 31 | 2.48 | | | Lowinger, Daniel | | | 2040 | USA | 0.50 | 1 | 0.07 | 31 | 2.17 | | | Adu, Oladapo Olutola | m | | 2073 | NGR | 0.50 | 1 | 0.12 | 31 | 3.72 | | | Fernandez, Nelson Wilfredo | | | 2013 | HON | 1.00 | 1 | 0.53 | 31 | 16.43 | | | Mc Entee, Tim R | | | 1922 | USA | 0.50 | 1 | -0.09 | 31 | -2.79 | | | Prem, Pranav S | | | 2050 | USA | 0.00 | 1 | -0.41 | 31 | -12.71 | | | Kudryavtsev, Vadim | | | 1948 | RUS | 1.00 | 1 | 0.44 | 31 | 13.64 | | | Rawshani, Kamran | | | 1917 | USA | 0.00 | 1 | -0.60 | 31 | -18.60 | | | He, Eden | | | 1656 | USA | 0.50 | 1 | -0.38 | 31 | -11.78 | | | * 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) | | | | 55th annual Atlantic Open - Major | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1988 | 1.00 | 4 | -1.32 | 31 | -40.92 | |
| | Pardiwalla, Vispy | | | 2034 | IND | 0.50 | 1 | 0.06 | 31 | 1.86 | | | Lowinger, Daniel | | | 2040 | USA | 0.00 | 1 | -0.43 | 31 | -13.33 | | | Ling, Chenxuan | | | 1897 | USA | 0.50 | 1 | -0.12 | 31 | -3.72 | | | Patel, Maahir M | | | 1719 | USA | 0.00 | 1 | -0.83 | 31 | -25.73 | |
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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