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Individual Calculations January 2023 |
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| Liu, Patrick Peijun Total change: 66.40 | |   |
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| 57th American Open | Orange, CA | USA | 2022-11-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2104 | 1969 | 4.50 | 9 | 1.10 | 40 | 44.00 | |
|  Khachiyan, Melikset | g | | 2432 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Tao, Sihan | | | 1811 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Ke, Rianne | | wc | 1706 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Grabinsky, Aaron | m | | 2415 | USA | 0.00 | 1 | -0.06 | 40 | -2.40 | | | Rautela, Saksham | m | | 2393 | IND | 0.50 | 1 | 0.43 | 40 | 17.20 | | | Chen, Rachel Ruoxuan | | wc | 1837 | CAN | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Mauskopf, Roman | | | 1825 | USA | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Peycheva, Gergana | f | wm | 2317 | BUL | 0.50 | 1 | 0.39 | 40 | 15.60 | | | Khaing, Myo Thant | f | | 2203 | MYA | 1.00 | 1 | 0.79 | 40 | 31.60 | |
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) | | | | 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 |
| 1860 | 1932 | 3.50 | 5 | 0.56 | 40 | 22.40 | |
| | Wu, Wentao | | | 1644 | USA | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Deng, Henry | | | 2034 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Pullela, Sricharan | | | 1916 | USA | 0.50 | 1 | -0.02 | 40 | -0.80 | | | Chiang, Jacob | | | 1812 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | | | Guo, Ethan | | | 1892 | 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) | | |
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