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Individual Calculations August 2017 |
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| Zhang, Alan Total change: -40.00 | |   |
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| 11th Annual Philadelphia International | Philadelphia, Pennsylvania | USA | 2017-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2259 | 2094 | 1.00 | 3 | 0.02 | 40 | 0.80 | |
|  Barbosa, Oliver | g | | 2494 * | PHI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Wang, Kevin | f | | 2367 | USA | 0.00 | 1 | -0.17 | 40 | -6.80 | |  Kumar, Naman | | | 1916 | USA | 1.00 | 1 | 0.27 | 40 | 10.80 | | | * 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) | | | | 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2094 | 4.50 | 9 | 1.50 | 40 | 60.00 | |
| | Panjwani, Raja | m | | 2404 | CAN | 0.00 | 1 | -0.14 | 40 | -5.60 | | | Aramil, William J | | | 2250 | USA | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Young, Angelo | m | | 2283 | PHI | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Graif, William | | | 2192 | CAN | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Shrentzel, Mordechai | f | | 2239 | ISR | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Li, Ben | f | | 2263 | USA | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Lapan, Dan | | | 2202 | USA | 0.00 | 1 | -0.35 | 40 | -14.00 | | | Lucente, Mike | | | 1973 | USA | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Studen, Damir | | | 2202 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | |
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) | | | | Marshall July 2017 Weekend FIDE | New York, New York | USA | 2017-07-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1752 | 2090 | 0.50 | 2 | -1.27 | 40 | -50.80 | |
| | Nallamothu, Krishna S | | | 1732 | IND | 0.00 | 1 | -0.90 | 40 | -36.00 | | | Hellner, Wesley | | | 1772 | USA | 0.50 | 1 | -0.37 | 40 | -14.80 | |
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) | | | | 2017 North American Youth Chess Championship - U14 | Morristown, New Jersey | USA | 2017-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1841 | 2090 | 5.00 | 8 | -1.25 | 40 | -50.00 | |
| | Deng, Tim | | | 1766 | USA | 1.00 | 1 | 0.13 | 40 | 5.20 | | | Srinivas, Vivek | | | 1979 | USA | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Chin, Jonathan | | | 1690 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Huang, Qiuyu | | | 2083 | CAN | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Rajaram, Rudransh | | | 1690 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Zhurbinsky, David | | | 1690 * | USA | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Gu, Ethan | | | 1896 | USA | 1.00 | 1 | 0.25 | 40 | 10.00 | | | Mishra, Prateek | | | 1931 | USA | 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) | | |
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