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Individual Calculations November 2018 |
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| Xu, Arthur Total change: 17.20 | |   |
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| 27th Annual Midwest Class Championship | Wheeling, Illinois | USA | 2018-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2085 | 2017 | 2.50 | 5 | 0.37 | 40 | 14.80 | |
|  Hoesley, Aria | | | 1831 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | |  Williams, Justus | f | | 2344 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Gulecyuz, Deniz Alp | | | 1885 | USA | 1.00 | 1 | 0.32 | 40 | 12.80 | | | Tsyganov, Igor | f | | 2260 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Neal Ii, James Alex | | | 2107 | USA | 0.00 | 1 | -0.38 | 40 | -15.20 | |
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) | | | | 2018 Saint Louis District Championship | Saint Louis, Missouri | USA | 2018-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2036 | 2017 | 2.00 | 4 | 0.06 | 40 | 2.40 | |
| | Lin, Aaron | | | 1628 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | | | Williams, Justus | f | | 2344 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Deshpande, Neil | | | 1755 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Bok, Benjamin | g | | 2417 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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