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Individual Calculations October 2021 |
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| Hamilton, Mark Total change: -49.60 | |   |
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| 2021 Illinois Open State Championship - Open | Northbrook, Illinois | USA | 2021-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1812 | 1.00 | 4 | -1.24 | 40 | -49.60 | |
|  Aaron, Michael E | | | 1650 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | |  Pullin, Matt | | | 1907 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Barretto, Ryan Sanjay | | | 1865 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Mu, Grant | | | 1636 | USA | 0.00 | 1 | -0.73 | 40 | -29.20 | |
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) | | |
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