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Individual Calculations July 2023 |
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| Hamilton, Mark Total change: -32.00 | |   |
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| 32nd annual Chicago Open - U2100 Section | Wheeling, IL | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1661 | 1752 | 2.50 | 5 | -0.61 | 20 | -12.20 | |
|  Stinson, Marcus | | | 1593 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | |  Hanke, Harvey | | | 1552 | USA | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Pugachev, Michael E | | | 1680 | USA | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Nudo, Zachary W | | | 1645 | USA | 1.00 | 1 | 0.35 | 20 | 7.00 | | | Zhang, Kylie | | | 1834 | USA | 0.00 | 1 | -0.39 | 20 | -7.80 | |
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) | | | | Leonid Shamkovich FIDE Open | Naperville, IL | USA | 2023-06-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1812 | 1752 | 2.00 | 4 | 0.32 | 20 | 6.40 | |
| | Chen, Anthony Deyou | | | 1893 | USA | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Venkat, Abhyudhaya | | | 1827 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Carey, Aidan M | | | 1944 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Pikus, Matthew Kent | | | 1585 | USA | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | 2023 Chicago Summer Open - Major | Schaumburg, IL | USA | 2023-06-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 1752 | 0.00 | 4 | -1.31 | 20 | -26.20 | |
| | Zillmer, Joshua | | | 1953 | USA | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Abraham, John | | | 1827 | USA | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Mazock, Michael J | | | 2175 | USA | 0.00 | 1 | -0.07 | 20 | -1.40 | | | Barnes, Maxwell Hampton | | | 1681 | USA | 0.00 | 1 | -0.60 | 20 | -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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