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Individual Calculations September 2023 |
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| Ramnath, Architsai Total change: 24.80 | |   |
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| 10th Annual Potomac Open - U2200 | Rockville, MD | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1580 | 1.50 | 5 | 0.33 | 40 | 13.20 | |
|  Karell, Leif | | | 1652 | USA | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Ananth, Ananya | | | 1725 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Diao, Matthew Guo | | | 1892 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Ilnytsky, Alexander | | | 1978 | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Wang, William | | | 1783 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | |
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) | | | | 13th Annual Barber National Tournament of Middle School State Champions | Grand Rapids, Michigan | USA | 2023-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1580 | 0.00 | 3 | -0.25 | 40 | -10.00 | |
| | Ren, Jesse | | | 2075 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | | | Tang, Austin | | | 2011 | USA | 0.00 | 1 | -0.07 | 40 | -2.80 | | | Kalpaka, Vaibhav Robinjith | | | 1893 | IND | 0.00 | 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) | | | | 55th annual Atlantic Open - U2100 | Reston, VA | USA | 2023-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1792 | 1580 | 1.00 | 2 | 0.54 | 40 | 21.60 | |
| | Kothapalli, Pradhyumna Kumar | | | 1784 | IND | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Wright, James Douglas | | | 1800 | USA | 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) | | |
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