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Individual Calculations September 2019 |
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| Chiu, Isaac Total change: 15.60 | |   |
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| 8th Annual Washington International | Rockville, Maryland | USA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2230 | 2131 | 3.50 | 9 | 0.15 | 40 | 6.00 | |
|  Huang, Andy | f | | 2292 | USA | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Morrison, William | f | | 2282 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Talukdar, Rohan | f | | 2384 | CAN | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Lehmann, Spencer | | | 2276 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | | | Posthuma, Joshua | f | | 2321 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Li, Eric Yuhan | c | | 2190 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Wu, Logan | | | 2198 | USA | 0.50 | 1 | 0.09 | 40 | 3.60 | | | Ling, Evan | | | 2070 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Zong, Davis | | | 2058 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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) | | | | 2019 Potomac Open | Rockville, Maryland | USA | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2106 | 2131 | 3.00 | 5 | 0.24 | 40 | 9.60 | |
| | Senft, Sean | | | 2055 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | | | Karell, Leif | | | 1912 | USA | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Paragua, Mark | g | | 2504 | PHI | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Zhu, Evelyn | | wm | 2044 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Kurtz, Eric | | | 2013 | USA | 0.50 | 1 | -0.16 | 40 | -6.40 | |
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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