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Individual Calculations October 2023 |
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| Brock, William H Total change: -28.80 | |   |
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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 |
| 1794 | 1796 | 0.50 | 4 | -1.44 | 20 | -28.80 | |
|  Marciano, Orry Matthew | | | 1857 | USA | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Malladi, Sadkrith | | | 1840 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | |  Platnick, Elijah Samuel | | | 2055 | USA | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Lee, Justin | | | 1424 | USA | 0.00 | 1 | -0.90 | 20 | -18.00 | |
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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