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Individual Calculations February 2022 |
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| Wu, Derek Total change: 25.80 | |   |
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| 31st Annual North American Open - Open | Las Vegas, Nevada | USA | 2021-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2131 | 2158 | 5.50 | 9 | 0.85 | 20 | 17.00 | |
|  Gaciu, Vlad Jan | | | 1758 * | CAN | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Daggupati, Balaji | m | | 2442 | USA | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Wang, Isaac | | | 1758 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Katz, Alexander Ross | m | | 2401 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Zhang, Roger | | | 1918 | USA | 0.50 | 1 | -0.30 | 20 | -6.00 | | | Ai, Evan Zihao | | | 1917 | USA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Aaron, Deepak | | | 2328 | USA | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Song, Michael | m | | 2410 | CAN | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Zhao, Erick | f | | 2243 | USA | 1.00 | 1 | 0.62 | 20 | 12.40 | | | * 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) | | | | Winter 2022 CCCSA IM Norm Invitational - C | Charlotte, North Carolina | USA | 2022-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2129 | 3.50 | 9 | 0.44 | 20 | 8.80 | |
| | Ngo, Bach | f | | 2327 | USA | 0.50 | 1 | 0.26 | 20 | 5.20 | | | Andrianov, Nikolay | m | | 2337 | RUS | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Boehme, Sebastian | | | 2170 | GER | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Martin Del Campo, Roberto | m | | 2239 | MEX | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Popilski, Gil | g | | 2464 | ISR | 0.00 | 1 | -0.12 | 20 | -2.40 | | | Fishbein, Mitch | | | 2131 | USA | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Adewumi, Tanitoluwa | f | | 2136 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Vanapalli, Vishnu | | | 2153 | USA | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Sethuraman, Sandeep | f | | 2354 | USA | 0.50 | 1 | 0.28 | 20 | 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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