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Individual Calculations May 2018 |
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| Lu, Joshua Total change: -2.80 | |   |
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| 2018 CalChess State Scholastic Championship | Santa Clara, California | USA | 2018-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1769 | 1767 | 0.50 | 2 | -0.50 | 40 | -20.00 | |
|  Yan, Rui | | | 1574 | USA | 0.50 | 1 | -0.25 | 40 | -10.00 | |  Vidyarthi, Vyom | | | 1963 | USA | 0.00 | 1 | -0.25 | 40 | -10.00 | |
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) | | | | 2018 Northern California Barber Qualifier | San Jose, California | USA | 2018-04-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1753 | 1767 | 2.50 | 4 | 0.43 | 40 | 17.20 | |
| | Somalwar, Anaiy | | | 1926 | USA | 0.00 | 1 | -0.29 | 40 | -11.60 | | | Boldi, Ethan | | | 1789 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | | | Penagalapati, Abhinav | | | 1579 | USA | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Nathan, Krishna | | | 1716 | USA | 0.50 | 1 | -0.07 | 40 | -2.80 | |
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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