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Individual Calculations July 2023 |
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| Widjaja, Luke Total change: -64.80 | |   |
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| 32nd annual Chicago Open - U2300 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1927 | 3.50 | 6 | -0.41 | 40 | -16.40 | |
|  Liang, Ethan Y | | | 1825 | USA | 0.50 | 1 | -0.14 | 40 | -5.60 | |  Tang, Austin | | | 1961 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Ray, Ujan | | | 1735 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Yuan, Serena | | | 1759 | USA | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Pregon, Joseph Jeffery | | | 1720 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Barretto, Ryan Sanjay | | | 1872 | USA | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | 2023 Summer Tuesday Night Marathon - 2000 and over Rounds 5-7 | San Francisco, CA | USA | 2023-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2017 | 1927 | 0.00 | 1 | -0.38 | 40 | -15.20 | |
| | Dasika, Archit | | | 2017 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | 2023 National Open | Las Vegas, NV | USA | 2023-06-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1933 | 2.00 | 7 | -0.83 | 40 | -33.20 | |
| | Boros, Denes | g | | 2400 | HUN | 0.00 | 1 | -0.05 | 40 | -2.00 | | | Bitoon, Richard | g | | 2372 | PHI | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Kaplan, Avi H | | | 2110 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Gardezi, Arsal | | | 2093 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Shafer, Logan | | | 1738 | USA | 0.00 | 1 | -0.75 | 40 | -30.00 | | | Suarez, Sebastian | | | 1808 | USA | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Parvathaneni, Nikhil | | | 1753 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | |
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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