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Individual Calculations January 2023 |
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| Du, Calvin Total change: 19.60 | |   |
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| 53rd annual National Chess Congress - 1800-2199 | Philadelphia, PA | USA | 2022-11-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1823 | 1615 | 0.50 | 4 | -0.44 | 40 | -17.60 | |
|  Dill, James Christopher | | | 1756 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |  Nolan, Gregory Matthew | | | 1854 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Schenk, Sam | | | 1805 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Kozower, Ethan | | | 1878 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | |
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) | | | | 37th annual Eastern Open - U2200 | Arlington, VA | USA | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1727 | 1611 | 3.50 | 7 | 0.93 | 40 | 37.20 | |
| | Wilson, Matthew Spencer | | | 1998 | USA | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Gutierrez, Mario | | | 1540 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Tippa, Aswath Srisai | | | 1491 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Simon, Christopher | | | 1838 | USA | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Onturk, Senan Utku | | | 1804 | TUR | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Earle, Dominic James | | | 1565 | SVK | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Kayma, Thomas | | | 1851 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | |
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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