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Individual Calculations February 2023 |
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| Yu, Jiangwei Total change: 12.60 | |   |
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| 2023 New York Winter Invitationals - IM D | New York, NY | USA | 2023-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2243 | 2154 | 4.50 | 9 | 1.03 | 20 | 20.60 | |
|  Liu, Eric Chang | c | | 2214 | USA | 1.00 | 1 | 0.58 | 20 | 11.60 | |  Griffith, Kyron W | m | | 2363 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Andersen, Gunnar | | | 2220 | USA | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Rodrigue-Lemieux, Shawn | m | | 2455 | CAN | 0.50 | 1 | 0.35 | 20 | 7.00 | | | Troltenier, Dirk | f | | 2234 | GER | 0.50 | 1 | 0.11 | 20 | 2.20 | | | Yanayt, Eugene | f | | 1958 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Xu, Grant Y | | | 2205 | USA | 0.00 | 1 | -0.43 | 20 | -8.60 | | | Martin Del Campo, Roberto | m | | 2235 | MEX | 1.00 | 1 | 0.61 | 20 | 12.20 | | | Lee, Alice Teresa | f | wm | 2300 | USA | 0.50 | 1 | 0.20 | 20 | 4.00 | |
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) | | | | Bay Area Schevenigen Challengers - Group 2 | Milpitas, CA | USA | 2023-01-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 2154 | 2.50 | 4 | -0.40 | 20 | -8.00 | |
| | Arutla, Aditya | | | 1939 | USA | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Yan, Nathan | | | 2013 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Guo, Ethan | c | | 2000 | USA | 0.50 | 1 | -0.21 | 20 | -4.20 | | | Wang, Jeffery | | | 1977 | USA | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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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