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Individual Calculations September 2021 |
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| He, Henry Total change: 92.80 | |   |
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| 4th Annual Peter Henner Memorial - Major | Albany, New York | USA | 2021-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1960 | 1680 | 0.00 | 3 | -0.50 | 40 | -20.00 | |
|  Jefferson, Matheu | | | 1989 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | |  Jin, Derek | | | 1880 | USA | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Taylor, Steven A | | | 2010 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | 51st Annual Continental Open - Under 2200 | Sturbridge, Massachusetts | USA | 2021-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1903 | 1680 | 1.00 | 4 | 0.05 | 40 | 2.00 | |
| | Carlson, Joaquin | | | 1665 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | | | Dedona, Mark | | | 1974 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | | | Wofford, Matthew | | | 1963 | USA | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Sage, J Timothy | | | 2010 | USA | 0.00 | 1 | -0.12 | 40 | -4.80 | |
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) | | | | 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1680 | 4.50 | 7 | 2.77 | 40 | 110.80 | |
| | Xu, Arthur | c | | 1984 | USA | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Zhang, Roger | | | 1898 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Liang, Yu-Cheng | | | 1790 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Deligiannis, Dimitrios | | | 1576 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Jiang, Brandon | | | 2016 | USA | 1.00 | 1 | 0.88 | 40 | 35.20 | | | Xie, Bryan | c | | 1998 | USA | 0.50 | 1 | 0.37 | 40 | 14.80 | | | Cavanah, Troy | | | 2006 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | |
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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