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Individual Calculations July 2023 |
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| Wong, Andrew Yun Total change: -50.00 | |   |
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| 2023 1000GM Memorial Day Open | Sunnyvale, CA | USA | 2023-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 1867 | 1.50 | 5 | -0.18 | 40 | -7.20 | |
|  Li, Eric Yuhan | f | | 2354 | USA | 0.00 | 1 | -0.04 | 40 | -1.60 | |  Das, Rohan | | | 1925 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Chiang, Jacob | | | 2120 | USA | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Zhou, Ruoyu | | | 1874 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Xia, Joshua | | | 1841 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | |
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) | | | | 22nd Addison Memorial Championship - 2000 and over | San Francisco, CA | USA | 2023-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1867 | 1.00 | 2 | -0.47 | 40 | -18.80 | |
| | Patil, Yashas | | | 1664 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Ivanenko, Anthony Vladimir | | | 1709 | USA | 0.00 | 1 | -0.71 | 40 | -28.40 | |
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) | | | | 2023 National Open - Under 2300 | Las Vegas, NV | USA | 2023-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1782 | 1867 | 3.50 | 7 | -0.60 | 40 | -24.00 | |
| | Khademzadeh, Aiden | | | 1657 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Mkrtchyan, Mikayel | | | 2000 | ARM | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Danduprolu, Ridhi Varma | | | 1503 | USA | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Harrison, Joshua | | | 1964 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Mahesh, Kanishk | | | 1467 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Angeles, Anthony | | | 2114 | PER | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Yuan, Serena | | | 1769 | USA | 0.50 | 1 | -0.13 | 40 | -5.20 | | | * 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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