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Individual Calculations December 2023 |
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| Atwell, Rose Total change: -92.80 | |   |
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| 18th annual Los Angeles Open - Major | Irvine, CA | USA | 2023-11-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2064 | 2150 | 3.00 | 5 | 0.06 | 40 | 2.40 | |
|  Jasinski, Alexander | | | 1884 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | |  Huang, Terry Tianyi | | | 1741 | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Atoufi, Pedram | f | | 2184 | IRI | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Bryant, John Daniel | m | | 2402 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Tang, Benjamin Benchen | | | 2107 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | |
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) | | | | 58th American Open | Garden Grove, California | USA | 2023-11-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2150 | 4.50 | 9 | -2.38 | 40 | -95.20 | |
| | Das, Rohan | | | 1854 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Jasinski, Alexander | | | 1884 | USA | 0.00 | 1 | -0.82 | 40 | -32.80 | | | Bhaduri, Neil S | | | 1874 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Tabet, Roger | | | 1912 | USA | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Miller, Ike S | | | 1944 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Wang, Jeffery | | | 2074 | USA | 0.00 | 1 | -0.60 | 40 | -24.00 | | | Del Pilar, Reynaldo | | | 2187 | USA | 1.00 | 1 | 0.55 | 40 | 22.00 | | | Zhu, Alexander | | | 1849 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Zhuge, Katherine | | | 1750 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * 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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