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Individual Calculations July 2021 |
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| Qin, Vincent Total change: 54.00 | |   |
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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 |
| 1765 | 1556 | 3.00 | 6 | 1.35 | 40 | 54.00 | |
|  Tu, Robin | | | 1618 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | |  Buyo, Glenn | | | 1939 | USA | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Farrell, John F | | | 1956 * | USA | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Merwin, Steven E | | | 1952 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Zhang, Jason | | | 1355 | USA | 0.00 | 1 | -0.76 | 40 | -30.40 | | | Porcelli, Michael William | | | 1767 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | * 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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