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Individual Calculations June 2023 |
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| Samuelson, Andrew Total change: -26.40 | |   |
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| 4th Colonial Open - Open | Dulles, Virginia | USA | 2023-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1802 | 2019 | 2.50 | 5 | -1.32 | 20 | -26.40 | |
|  Aravindakshan, Sahana | | | 1745 | USA | 0.00 | 1 | -0.83 | 20 | -16.60 | |  Iyer, Rohan | | | 1781 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Muthukumaran, Gurru | | | 1659 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Samant, Neil | | | 1956 | USA | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Jing, Andrew | | | 1869 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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) | | | | 68th Maryland Open - Championships | Rockville, MD | USA | 2023-04-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 2019 | 2.00 | 5 | -0.40 | 20 | -8.00 | |
| | Martin, Zachary David | | | 1969 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Diao, Matthew Guo | | | 1973 | USA | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Panico, Nick, Iii | | | 2001 | USA | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Kraai, Jesse | g | | 2391 | USA | 0.00 | 1 | -0.10 | 20 | -2.00 | | | Su, Jasmine Zhixin | | | 1913 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | |
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 Metropolitan Open | Herndon, Virginia | USA | 2023-05-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 2019 | 3.50 | 5 | 0.40 | 20 | 8.00 | |
| | Denis, Markov | | | 1799 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Dominic, James Earle | | | 1658 | SVK | 0.50 | 1 | -0.40 | 20 | -8.00 | | | Kevin, Su | | | 2038 | USA | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Wilson, Ronen | | | 2016 | USA | 0.00 | 1 | -0.50 | 20 | -10.00 | | | Chabris, Christopher | c | | 2053 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | |
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) | | |
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