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Individual Calculations January 2020 |
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| Song, Jacob Total change: -47.60 | |   |
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| 55th Annual American Open | Costa Mesa, California | USA | 2019-11-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 1980 | 1.50 | 6 | -1.19 | 40 | -47.60 | |
|  Watson, John L | m | | 2194 | USA | 0.00 | 1 | -0.23 | 40 | -9.20 | |  Krishnakumar, Sriram | c | | 2103 | USA | 0.00 | 1 | -0.33 | 40 | -13.20 | | | Penagalapati, Abhinav | | | 1886 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | | | Wen, Tommy | | | 2001 | USA | 0.00 | 1 | -0.47 | 40 | -18.80 | | | Akopian, Robert | | | 1997 | USA | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Shubin, Daniel | | | 1944 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | |
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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