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Individual Calculations April 2023 |
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| Jin, David Total change: 30.40 | |   |
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| 1000GM 2023 March BonaFIDE Swiss Open | Milpitas, CA | USA | 2023-03-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1698 | 1591 | 2.50 | 5 | 0.52 | 40 | 20.80 | |
|  Nathan, Nitish Sg | c | | 2071 | USA | 0.00 | 1 | -0.05 | 40 | -2.00 | |  Zhou, Ivan | | | 1629 | USA | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Gui, Suyuan | | | 1545 | USA | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Gopi, Umesh | | | 1642 | USA | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Sun, Ethan | | | 1601 | USA | 1.00 | 1 | 0.51 | 40 | 20.40 | |
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) | | | | 20th Wilkerson Memorial Championship - 2000 and over | San Francisco, CA | USA | 2023-03-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1591 | 1.50 | 4 | 0.24 | 40 | 9.60 | |
| | Bambou, Christophe | | | 1925 | FRA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Chen, Quincy | | | 1572 | USA | 0.00 | 1 | -0.53 | 40 | -21.20 | | | Wu, Wentao | | | 1827 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Madhavan, Srikrishnan | | | 1655 | IND | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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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