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Individual Calculations October 2018 |
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| Nathan, Krishna Total change: 0.40 | |   |
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| 2018 CalChess State Championship | Union City, California | USA | 2018-09-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1894 | 2.50 | 6 | 0.31 | 40 | 12.40 | |
|  Yap, Kim Steven Ruelan | m | | 2294 * | PHI | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Del Rosario, Frisco | | | 1895 | USA | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Kondakov, Adrian | | | 1954 | USA | 1.00 | 1 | 0.58 | 40 | 23.20 | | | Senthilkumar, Pranav | c | | 1855 | USA | 0.50 | 1 | -0.05 | 40 | -2.00 | | | Winslow, Elliott | m | | 2169 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | | | Vidyarthi, Vyom | | | 1916 | USA | 0.50 | 1 | 0.03 | 40 | 1.20 | | | * 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) | | | | 2018 Berkeley Open | Berkeley, California | USA | 2018-09-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1921 | 1894 | 1.00 | 3 | -0.38 | 40 | -15.20 | |
| | Yanofsky, Kevin | | | 1749 | USA | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Wu, Derek Sijing | | | 2050 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Kim, Isaiah | | | 1964 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |
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) | | | | GM George Koltanowski Memorial | Milpitas, California | USA | 2018-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1783 | 1894 | 2.00 | 3 | 0.08 | 40 | 3.20 | |
| | Sivakumar, Shaashwath | | | 1682 | USA | 0.50 | 1 | -0.27 | 40 | -10.80 | | | Ho, Michael | | | 1693 | USA | 1.00 | 1 | 0.24 | 40 | 9.60 | | | Lee, Addison | | | 1973 | USA | 0.50 | 1 | 0.11 | 40 | 4.40 | |
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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