Individual Calculations August 2021 |
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Ngo-Tan, Don Total change: -4.80 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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22nd Annual Pittsburgh Open - Major | Pittsburgh, Pennsylvania | USA | 2021-07-23 |
Rc | Ro | w | n | change | K | K*chg | Game |
2120 | 2302 | 0.50 | 1 | -0.24 | 20 | -4.80 | |
| Quirke, Jeffrey L | | | 2120 | USA | 0.50 | 1 | -0.24 | 20 | -4.80 | | 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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