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Individual Calculations August 2021 |
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| Martin, Zachary David Total change: -17.80 | |   |
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| 49th Annual World Open - Under 2200 | Philadelphia, Pennsylvania | USA | 2021-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1907 | 2063 | 4.00 | 7 | -0.89 | 20 | -17.80 | |
|  Kareem, Adeniyi | | | 1898 | NGR | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Liou, Arthur | | | 1959 | USA | 0.00 | 1 | -0.64 | 20 | -12.80 | |  Villar, Jose | | | 1944 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | | | Karell, Leif Kazuo | | | 1865 | USA | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Oommen, Binju | | | 1904 | IND | 0.00 | 1 | -0.71 | 20 | -14.20 | | | Vinod, Aarush | | | 1749 | USA | 0.50 | 1 | -0.36 | 20 | -7.20 | | | Curcuru, John | | | 2033 | USA | 1.00 | 1 | 0.46 | 20 | 9.20 | |
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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