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Individual Calculations July 2021 |
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| Merwin, Steven E Total change: -14.60 | |   |
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| 2021 National Open - Under 2100 | Las Vegas, Nevada | USA | 2021-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1681 | 1952 | 4.00 | 6 | -0.73 | 20 | -14.60 | |
|  Vemparala, Nikash | | | 1552 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Hernandez Luna, Jose | c | | 1948 | MEX | 0.00 | 1 | -0.51 | 20 | -10.20 | | | Parvathaneni, Nikhil | | | 1552 * | USA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Bao, Chris | | | 1552 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Qin, Vincent | | | 1556 | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Brown, James Elmer | | | 1924 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | | | * 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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