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Individual Calculations September 2023 |
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| Welch, Mason Jeffery Total change: 16.80 | |   |
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| 43rd Annual Lina Grumette Memorial | VAN NUYS, CA | USA | 2023-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1770 | 1601 | 2.50 | 5 | 0.84 | 20 | 16.80 | |
|  Varela, Carlos Francisco | | | 1972 | MEX | 0.00 | 1 | -0.10 | 20 | -2.00 | |  Wang, Andrew | | | 1809 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Wang, William Huang | | | 1468 | USA | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Peng, Alan B | | | 1526 | USA | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Mazzarelli, Ariel | | | 2075 | USA | 1.00 | 1 | 0.95 | 20 | 19.00 | |
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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