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Individual Calculations February 2019 |
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| Cheng, Daniel Total change: -1.60 | |   |
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| Bay Area Amateur Championship | Burlingame, California | USA | 2019-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1673 | 1857 | 3.50 | 4 | 0.64 | 40 | 25.60 | |
|  Badhe, Ronak | | | 1556 | USA | 1.00 | 1 | 0.15 | 40 | 6.00 | | | Sivakumar, Shaaketh | | | 1586 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Lu, Joshua | | | 1959 | USA | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Faulks, Anthony | | | 1590 | USA | 1.00 | 1 | 0.18 | 40 | 7.20 | |
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 |
| 1833 | 1857 | 3.00 | 6 | -0.25 | 40 | -10.00 | |
| | Nazaryev, Sergey | | | 2257 * | RUS | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Harris, John | | | 1851 | USA | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Penagalapati, Abhinav | | | 1602 | USA | 0.50 | 1 | -0.31 | 40 | -12.40 | | | Wu, Derek | | | 2026 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Sivakumar, Shaaketh | | | 1586 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Feghhi, Alexander | | | 1673 | ESP | 1.00 | 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) | | | | CM Azhar Memorial Championship | Santa Clara, California | USA | 2019-01-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1862 | 1857 | 2.00 | 5 | -0.43 | 40 | -17.20 | |
| | Dasika, Archit | | | 1978 | USA | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Sivakumar, Shaaketh | | | 1586 | USA | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Li, Eric | c | | 2005 | USA | 0.50 | 1 | 0.20 | 40 | 8.00 | | | Kondakov, Adrian | | | 2012 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Singhal, Sanat | | | 1731 | IND | 0.50 | 1 | -0.17 | 40 | -6.80 | |
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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