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Individual Calculations October 2018 |
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| Platnick, Elijah Total change: 20.80 | |   |
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| 2018 Illinois Open State Championship | Downers Grove, Illinois | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1774 | 1607 | 2.00 | 5 | 0.52 | 40 | 20.80 | |
|  Kalghatgi, Nikhil | | | 1955 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | | Reddy, Shreyas | | | 1843 | USA | 1.00 | 1 | 0.80 | 40 | 32.00 | |  Zhang, Richard | | | 1744 | USA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Lodh, Anish | | | 1787 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Bouzamondo, Samy | | | 1542 | FRA | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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) | | |
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