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Individual Calculations January 2020 |
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| Boldi, Ethan Total change: -77.60 | |   |
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| Fall 2019 Tuesday Night Marathon | San Francisco, California | USA | 2019-10-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1927 | 1835 | 4.50 | 8 | 1.39 | 40 | 55.60 | |
|  German, Felix | | | 1828 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | |  Winslow, Elliott | m | | 2101 | USA | 1.00 | 1 | 0.82 | 40 | 32.80 | | | Wong, Russell | | | 1897 | USA | 0.00 | 1 | -0.41 | 40 | -16.40 | | | Clemens, Kristian | | | 1911 | USA | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Li, Eric | c | | 2163 | USA | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Hakobyan, Sos | | | 1798 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Lehman, Clarence | | | 1745 | USA | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Askin, David | | | 1975 | 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) | | | | 2019 Class Warfare Championship - Master | Santa Clara, California | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1788 | 2004 | 2.00 | 6 | -2.52 | 40 | -100.80 | |
| | Nathan, Nitish | c | | 1604 * | USA | 0.50 | 1 | -0.42 | 40 | -16.80 | | | Aigner, Nm Michael | | | 2039 | USA | 0.50 | 1 | 0.05 | 40 | 2.00 | | | Mahesh, Tejas | | | 1835 | USA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Pullela, Sricharan | | | 1698 | USA | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Badhe, Ronak | | | 1713 | USA | 0.00 | 1 | -0.85 | 40 | -34.00 | | | Sivakumar, Shaashw | | | 1840 | USA | 0.00 | 1 | -0.72 | 40 | -28.80 | | | * 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 GM Igor Ivanov Weekender | Berkeley, California | USA | 2019-12-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 2004 | 0.50 | 2 | -0.81 | 40 | -32.40 | |
| | Winslow, Elliott C | m | | 2085 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | | | Nathan, Nitish | c | | 1604 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | * 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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