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Individual Calculations August 2017 |
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| Vidyarthi, Vyom Total change: -109.60 | |   |
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| 2017 National Open (U2300) | Las Vegas, Nevada | USA | 2017-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1932 | 1934 | 0.50 | 3 | -1.02 | 40 | -40.80 | |
|  Rosell, John | | | 2009 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | |  Liu, Joanna | | wf | 1865 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | | | Peng, Peter | | | 1923 | USA | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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) | | | | Panamerican Youth Championship 2017 U-10 | San Jose | CRC | 2017-07-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1575 | 1934 | 3.00 | 6 | -2.31 | 40 | -92.40 | |
| | Sarda, Pedro Sada | | | 1534 * | BRA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gao, Marvin | c | | 1534 * | USA | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Chong, Joshua Ethan | | | 1534 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Vilca Torres, Ludwing Wily | | | 1534 * | PER | 0.00 | 1 | -0.92 | 40 | -36.80 | | | Jodorcovsky, Alejandro David | | | 1534 * | PAR | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Campos Gomez, Manuel | | | 1780 | COL | 0.00 | 1 | -0.71 | 40 | -28.40 | | | * 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) | | | | 2017 Peoples Tournament | Berkeley, California | USA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 1934 | 0.50 | 2 | -0.29 | 40 | -11.60 | |
| | Lu, Yixiang | | | 1849 | USA | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Poehlmann, Roger | | | 2209 | USA | 0.00 | 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) | | | | Bay Area Chess Mid Summer Night Championship | Milpitas, California | USA | 2017-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2009 | 1934 | 3.00 | 5 | 0.88 | 40 | 35.20 | |
| | Cao, Joshua | | | 2013 | USA | 0.00 | 1 | -0.39 | 40 | -15.60 | | | Hu, Alexander | | | 1824 | USA | 1.00 | 1 | 0.35 | 40 | 14.00 | | | West, Vanessa A | | | 2063 | USA | 1.00 | 1 | 0.67 | 40 | 26.80 | | | Zhu, Jack Q | | | 2334 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Chang, Eliam | | | 1809 | USA | 1.00 | 1 | 0.33 | 40 | 13.20 | | | * 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) | | |
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