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Individual Calculations October 2023 |
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| Sax, Robert David Total change: 6.80 | |   |
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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 |
| 1683 | 1609 | 2.50 | 6 | 0.04 | 20 | 0.80 | |
|  Abraham, John | | | 1861 | USA | 0.00 | 1 | -0.19 | 20 | -3.80 | |  Von Hoff, Christopher | | | 1529 | USA | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Kaur, Aradh | | | 1575 | USA | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Craigmile, Charles H | | | 1615 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Murali, Rishi | | | 1681 | USA | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Oberai, Vikram | | | 1834 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | |
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) | | | | CCC Monthly Swiss September 2023 | Chicago, IL | USA | 2023-09-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1531 | 1609 | 1.50 | 2 | 0.30 | 20 | 6.00 | |
| | Lee, Justin | | | 1424 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Li, Aiden Linyuan | | | 1638 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | |
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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