Individual Calculations September 2021 |
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Liang, Yu-Cheng Total change: 26.40 | | |
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26th Annual Pacific Coast Open - Premier | Van Nuys, California | USA | 2021-07-30 |
Rc | Ro | w | n | change | K | K*chg | Game |
2020 | 1790 | 3.00 | 6 | 1.67 | 40 | 66.80 | |
| Eidelman, Gabriel | | | 2019 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | Wang, Henry | | | 2143 | USA | 0.00 | 1 | -0.11 | 40 | -4.40 | | Akopian, Robert | | | 2001 | USA | 0.50 | 1 | 0.27 | 40 | 10.80 | | Xie, Brandon | | | 1856 | USA | 1.00 | 1 | 0.59 | 40 | 23.60 | | Xia, Brandon Yang | c | | 2103 | USA | 0.50 | 1 | 0.36 | 40 | 14.40 | | Yedidia, Daniel | | | 1997 | USA | 0.00 | 1 | -0.23 | 40 | -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) | | 2021 North American Youth Chess Championships - Open Under 14 | Chicago, Illinois | USA | 2021-08-17 |
Rc | Ro | w | n | change | K | K*chg | Game |
1789 | 1790 | 2.00 | 6 | -1.01 | 40 | -40.40 | |
| Wen, Tommy | | | 1971 | USA | 0.50 | 1 | 0.24 | 40 | 9.60 | | Jiang, Brandon | | | 2016 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | He, Henry | | | 1680 | USA | 0.50 | 1 | -0.15 | 40 | -6.00 | | Khachatryan, Nune | | | 1588 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | Oberai, Vikram | | | 1638 | USA | 0.00 | 1 | -0.70 | 40 | -28.00 | | Su, Kevin | | | 1841 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | 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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