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Individual Calculations July 2021 |
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| Reyes, Virgilio T Total change: 5.60 | |   |
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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 |
| 1795 | 1872 | 2.50 | 4 | 0.14 | 40 | 5.60 | |
|  Martinez, Lawrence | | | 1573 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Brown, James Elmer | | | 1924 | USA | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Tia, Rudy Goce | | | 1789 | PNG | 0.50 | 1 | -0.11 | 40 | -4.40 | |  Campbell, David | | | 1895 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | |
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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