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Individual Calculations September 2023 |
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| Chen, Alan Zishun Total change: -38.40 | |   |
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| 2nd Annual Beltway Open | Herndon, Virginia | USA | 2023-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1745 | 1697 | 2.00 | 5 | -0.19 | 40 | -7.60 | |
|  Schenk, Sam | | | 1861 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | |  Collier, Philip M | | | 1723 | USA | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Ayyappan, Santhosh | | | 1594 | USA | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Tay, Brian | | | 1915 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Karell, Leif | | | 1634 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | |
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) | | | | 10th Annual Washington International - Premier | Rockville, MD | USA | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1666 | 1697 | 3.00 | 7 | -0.77 | 40 | -30.80 | |
| | Kudryavtsev, Vadim | | | 1948 | RUS | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Kashyap, Manish B | | | 1566 | USA | 0.00 | 1 | -0.68 | 40 | -27.20 | | | Iyer, Vedanth | | | 1389 | USA | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Snow, Peter | | | 1653 | USA | 1.00 | 1 | 0.44 | 40 | 17.60 | | | Diao, Sujia | | | 1671 | USA | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Mansurov, Yusuf | | | 1804 | USA | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Karell, Leif | | | 1634 | USA | 1.00 | 1 | 0.41 | 40 | 16.40 | |
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) | | |
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