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Individual Calculations October 2023 |
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| Marciano, Orry Matthew Total change: 22.00 | |   |
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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 |
| 1781 | 1857 | 4.00 | 5 | 1.10 | 20 | 22.00 | |
|  Brock, William H | | | 1796 | USA | 1.00 | 1 | 0.42 | 20 | 8.40 | |  Khanbutaev, Artemii | | | 1457 * | RUS | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Kaplan, Avi Harrison | | | 2112 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Drucker, Jack | | | 1620 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Lee, Daniel | | | 1921 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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