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Individual Calculations August 2017 |
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| Kaulule Siame, Kela Total change: -41.20 | |   |
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| 2017 National Open (U2300) | Las Vegas, Nevada | USA | 2017-06-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 2165 | 2.50 | 5 | -1.57 | 20 | -31.40 | |
|  Wei, Jeffrey | | | 1978 | USA | 0.00 | 1 | -0.74 | 20 | -14.80 | |  Srinivas, Rahul | | | 1823 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Gustafsson, Alexander K | | | 1974 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Jampier Silvestre, Alex | | | 1808 | MEX | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Handigol, Abhishek | | | 1916 | USA | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | | | 45th Annual World Open | Philadelphia, Pennsylvania | USA | 2017-06-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 2165 | 3.50 | 7 | -0.03 | 20 | -0.60 | |
| | Alvarez, Tirso | | | 1765 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Williams, Justus D | f | | 2382 | USA | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Medina, Benjamin R | | | 1784 | USA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Grabinsky, Aaron | | | 2338 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Schmakel, Sam A | f | | 2344 | USA | 0.50 | 1 | 0.23 | 20 | 4.60 | | | Ruiz Castillo, Joshua Daniel | m | | 2367 | COL | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Obili, Abhishek | | | 2017 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | * 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) | | | | 10th Annual Chicago Class | Wheeling, Illinois | USA | 2017-07-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2378 | 2165 | 0.00 | 2 | -0.46 | 20 | -9.20 | |
| | Perez, Robert M | | | 2396 | USA | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Wang, Kevin | f | | 2360 | USA | 0.00 | 1 | -0.25 | 20 | -5.00 | |
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) | | |
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