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Individual Calculations July 2023 |
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| Reinberg, Jeffrey Total change: 26.40 | |   |
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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 |
| 1930 | 1952 | 5.50 | 7 | 1.77 | 20 | 35.40 | |
|  Luo, Will | | | 1793 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | |  Steincamp, Isaac Kaito | | | 1899 | USA | 0.50 | 1 | -0.07 | 20 | -1.40 | | | Santner, Jack Jeffrey | | | 1918 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Raman, Arjun | | | 1733 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Proleiko, Julian | | | 2215 | USA | 0.50 | 1 | 0.32 | 20 | 6.40 | | | Paitrick, Derek | | | 2041 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | Dang, Michael | | | 1910 | USA | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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) | | | | 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1976 | 1952 | 0.50 | 2 | -0.45 | 20 | -9.00 | |
| | Winchell, Barrett | | | 1786 | USA | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Morris-Suzuki, Sophie | | wf | 2166 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | |
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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