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Individual Calculations November 2019 |
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| Boldi, Ethan Total change: 169.20 | |   |
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| 2019 Steve Brandwein Memorial Tuesday Night Marathon | San Francisco, California | USA | 2019-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1801 | 4.00 | 7 | 2.62 | 40 | 104.80 | |
|  Baradaran, Arman | | | 2103 | USA | 1.00 | 1 | 0.85 | 40 | 34.00 | |  Tsodikova, Natalia | | wf | 2106 | USA | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Karamsetty, Jeevan | | | 2201 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Shaw, Tenzing | | | 2198 | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Ivanov, Aleksandr | | | 2126 | USA | 1.00 | 1 | 0.87 | 40 | 34.80 | | | Wong, Russell | | | 1897 | USA | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Krishnakumar, Sriram | c | | 1854 | USA | 0.00 | 1 | -0.43 | 40 | -17.20 | | | * 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) | | | | 2019 US Class Championship - Master | Burlingame, California | USA | 2019-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1801 | 2.00 | 3 | 1.35 | 40 | 54.00 | |
| | Yan, Ruiyang | | | 1993 | USA | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Cheng, Daniel | | | 1946 | USA | 1.00 | 1 | 0.69 | 40 | 27.60 | | | Wu, Rochelle | | wm | 2190 | USA | 0.50 | 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) | | | | Berkeley Weekender October 2019 | Berkeley, California | USA | 2019-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1719 | 1835 | 3.50 | 5 | 0.26 | 40 | 10.40 | |
| | Lin, Daniel | | | 1674 | USA | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Cheng, Daniel | | | 1980 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Mishkin, Viktor | | | 1636 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Bansal, Advay | | | 1563 | USA | 0.00 | 1 | -0.83 | 40 | -33.20 | | | Pullela, Sricharan | | | 1743 | USA | 1.00 | 1 | 0.37 | 40 | 14.80 | |
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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