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Individual Calculations November 2021 |
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| Halloran, Joel Total change: 57.20 | |   |
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| 2021 Michigan Bottom Half Class Championships | Ann Arbor, Michigan | USA | 2021-10-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1708 | 1649 | 1.00 | 2 | 0.13 | 40 | 5.20 | |
|  Kong, Alex | | | 1514 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | |  O`donnell, Robert | | | 1901 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | |
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) | | | | 29th Annual Midwest Class Championships - 1800-2099 | Wheeling, Illinois | USA | 2021-10-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1867 | 1649 | 2.00 | 3 | 1.30 | 40 | 52.00 | |
| | Drippe, John M | | | 1890 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Hart, Vincent J | | | 1950 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Hamilton, Mark | | | 1762 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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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