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Individual Calculations September 2019 |
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| Hua, Charles Total change: 147.60 | |   |
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| 8th Annual Washington International - Premier | Rockville, Maryland | USA | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1911 | 1782 | 5.00 | 8 | 2.27 | 40 | 90.80 | |
|  Nath, Sathish | | | 1863 | USA | 1.00 | 1 | 0.61 | 40 | 24.40 | |  Kunder, Steven | | | 1691 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Jian, Alex | | | 2072 | USA | 0.50 | 1 | 0.34 | 40 | 13.60 | | | Gilden, Larry | f | | 2003 | USA | 0.00 | 1 | -0.22 | 40 | -8.80 | | | Martinez, Jonathan | | | 1728 | USA | 1.00 | 1 | 0.42 | 40 | 16.80 | | | Zhu, Evelyn | | wm | 2006 | USA | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Melvin, Bill | | | 1995 | USA | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Zeng, Sheena | | wc | 1927 | USA | 0.00 | 1 | -0.31 | 40 | -12.40 | |
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) | | | | 2019 NAYCC U14 Open | Kingston | CAN | 2019-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1782 | 4.00 | 7 | 1.42 | 40 | 56.80 | |
| | Merric, Hu | | | 1961 | USA | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Davis, Zong | | | 2182 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Callum, Yoker | | | 1456 | CAN | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Mark, Ivanescu | | | 1876 | CAN | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Samuel, Zhang | | | 1862 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Eric, Wu | | | 1887 | USA | 1.00 | 1 | 0.64 | 40 | 25.60 | | | Daniel, Shubin | | | 1988 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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