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Individual Calculations December 2023 |
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| Opaska, Michael Total change: -7.60 | |   |
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| 32nd annual Kings Island Open - Major | Blue Ash, OH | USA | 2023-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1886 | 1830 | 1.50 | 5 | -0.68 | 20 | -13.60 | |
|  Foisor, Sabina-Francesca | | wg | 2169 | USA | 0.00 | 1 | -0.12 | 20 | -2.40 | |  Rucker, Damon Anto | | | 1623 | USA | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Passen, Brett | | | 1909 | USA | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Davidovich, Manis | | | 1915 | USA | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Rambha, Hemachandra | | | 1814 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | |
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) | | | | 54th annual National Chess Congress - Premier | Philadelphia, PA | USA | 2023-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1830 | 2.50 | 6 | 0.30 | 20 | 6.00 | |
| | Muthukumar, Haari | | | 1990 | USA | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Fleischman, Eric J | | | 2024 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | | | Kozower, Ethan | | | 1857 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Su, Kevin | | | 2009 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Kamesh, Vidyuth | | | 1774 | USA | 0.00 | 1 | -0.58 | 20 | -11.60 | | | Yalamanchili, Jay | | | 1939 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | |
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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