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Individual Calculations October 2023 |
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| Hamilton, Mark Total change: -24.00 | |   |
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| 2023 Illinois Open State Championship - Open section | Northbrook, IL | USA | 2023-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1588 | 1710 | 2.00 | 5 | -1.20 | 20 | -24.00 | |
|  Xia, Henry | | | 1809 | USA | 0.00 | 1 | -0.36 | 20 | -7.20 | |  Feng, Jay | | | 1738 | USA | 0.00 | 1 | -0.46 | 20 | -9.20 | | | Wang, Gaofei | | | 1413 | USA | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Smythe, Bill | | | 1582 | USA | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Musku, Himani | | | 1400 | USA | 1.00 | 1 | 0.14 | 20 | 2.80 | |
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) | | |
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