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Individual Calculations August 2023 |
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| Durost, Benjamin E Total change: -34.00 | |   |
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| 51st annual World Open - U2200 | Philadelphia, PA | USA | 2023-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1616 | 1781 | 4.00 | 7 | -0.95 | 40 | -38.00 | |
|  Martin, Zachary David | | | 1978 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |  Zhao, Kevin | | | 1576 | USA | 0.50 | 1 | -0.26 | 40 | -10.40 | | | Wang, Freyr | | | 1569 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Shrigadi, Aryan | | | 1544 | USA | 0.50 | 1 | -0.30 | 40 | -12.00 | | | Xu, Noah L | | | 1572 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Havens, Josh | | | 1479 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Gartenlaub, Corin | | | 1591 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | |
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) | | | | 16th annual Chicago Class - Expert | Wheeling, IL | USA | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1809 | 1.00 | 4 | -0.24 | 40 | -9.60 | |
| | Kelley, Deshawn | | | 2035 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Heller, Jack | | | 1903 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Daniel, Damian | c | | 2126 | POL | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Meng, Joshua | | | 1787 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | |
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) | | | | 24th annual Pittsburgh Open - Major | Pittsburgh, PA | USA | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1631 | 1809 | 2.50 | 3 | 0.34 | 40 | 13.60 | |
| | Vuillemot, John | | | 1780 | USA | 1.00 | 1 | 0.46 | 40 | 18.40 | | | Chong, Hanford | | | 1505 | USA | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Xu, Jayden | | | 1607 | USA | 1.00 | 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) | | |
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