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Individual Calculations February 2019 |
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| Ai, Evan Total change: 42.40 | |   |
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| Bay Area Amateur Championship | Burlingame, California | USA | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1706 | 1867 | 3.00 | 5 | -0.46 | 40 | -18.40 | |
|  Kamath, Atul | | | 1489 | USA | 1.00 | 1 | 0.09 | 40 | 3.60 | |  Pang, Ashley | | wc | 1685 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Yan, Rui Yang | | | 2030 | USA | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Dixit, Arun | | | 1639 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | | | Wang, John | | | 1685 | USA | 0.00 | 1 | -0.74 | 40 | -29.60 | |
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 Golden State Open | Concord, California | USA | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2082 | 1867 | 2.50 | 4 | 1.52 | 40 | 60.80 | |
| | Aigner, Michael | | | 2099 | USA | 1.00 | 1 | 0.79 | 40 | 31.60 | | | Lu, Joshua | | | 1959 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Morrison, Kyle | | | 2257 | CAN | 0.00 | 1 | -0.09 | 40 | -3.60 | | | Kondakov, Adrian | | | 2012 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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) | | |
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