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Individual Calculations July 2021 |
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| Tan, Ralph Total change: 88.40 | |   |
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| 30th Annual Chicago Open - Under 2300 | Wheeling, Illinois | USA | 2021-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1884 | 1846 | 2.50 | 4 | 0.69 | 40 | 27.60 | |
|  Wisniowski, Natalie | | wc | 1707 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | |  Takahashi, Michael John | | | 2036 | USA | 1.00 | 1 | 0.75 | 40 | 30.00 | | | Desmarais, Nicholas Eduard | | | 2029 | USA | 0.00 | 1 | -0.26 | 40 | -10.40 | | | Glashausser, Sho | | | 1764 | USA | 0.50 | 1 | -0.11 | 40 | -4.40 | |
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) | | | | 14th Annual Cleveland Open - Major | Middleburg Heights, Ohio | USA | 2021-06-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1851 | 1846 | 3.00 | 3 | 1.52 | 40 | 60.80 | |
| | Chu, Xiaoman | | | 1774 | CHN | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Sloan, Jed | | | 1843 | USA | 1.00 | 1 | 0.50 | 40 | 20.00 | | | Orellana, Juan | | | 1937 | USA | 1.00 | 1 | 0.62 | 40 | 24.80 | |
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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