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Individual Calculations January 2023 |
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| Chiang, Jacob Total change: 207.60 | |   |
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| 57th American Open | Orange, CA | USA | 2022-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2197 | 1812 | 5.00 | 9 | 3.74 | 40 | 149.60 | |
|  Wen, Teddie | | | 2151 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | |  Rautela, Saksham | m | | 2393 | IND | 0.50 | 1 | 0.48 | 40 | 19.20 | | | Peycheva, Gergana | f | wm | 2317 | BUL | 1.00 | 1 | 0.96 | 40 | 38.40 | | | Mikaelyan, Arman | g | | 2556 | ARM | 0.00 | 1 | 0.00 | 40 | 0.00 | | | Bansal, Advay | | | 1986 | USA | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Kondakov, Adrian | c | | 2030 | USA | 1.00 | 1 | 0.78 | 40 | 31.20 | | | Yan, Ruiyang | f | wc | 2267 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Vidyarthi, Omya | | wc | 1847 | USA | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Goyal, Tarini | | wm | 2223 | IND | 0.50 | 1 | 0.42 | 40 | 16.80 | |
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) | | | | 1000GM December BonaFIDE Bay Area Swiss: 2000 and up | San Jose, CA | USA | 2022-12-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1812 | 2.50 | 4 | 1.45 | 40 | 58.00 | |
| | Yan, Nathan | | | 1978 | USA | 1.00 | 1 | 0.72 | 40 | 28.80 | | | Sivakumar, Shaashwath | | | 2237 | USA | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Liu, Patrick | | | 1932 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Pullela, Sricharan | | | 1916 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | |
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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