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Individual Calculations August 2023 |
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| England, Max Total change: 58.40 | |   |
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| 2nd annual World Open Amateur | Philadelphia, PA | USA | 2023-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1807 | 3.50 | 5 | 1.18 | 40 | 47.20 | |
|  Wilson, Dwayne Everett | | | 1763 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Mucerino, Joseph J | | | 1866 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | |  Nair, Ajitesh | | | 1902 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | | | Canzhou, He | | | 1773 | CHN | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Klein, Jack | | | 1865 | USA | 0.50 | 1 | 0.08 | 40 | 3.20 | |
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) | | | | 16th annual Chicago Class - Expert | Wheeling, IL | USA | 2023-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1855 | 1807 | 2.50 | 5 | 0.28 | 40 | 11.20 | |
| | Brock, William H | | | 1811 | USA | 0.50 | 1 | 0.01 | 40 | 0.40 | | | Hamilton, Mark | | | 1720 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Lane, Paul D | | | 2112 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | | Xia, Heng | | | 1732 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Lu, Yiding | | | 1901 | USA | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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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