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Individual Calculations May 2017 |
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| Samadashvili, Martha Total change: 15.20 | |   |
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| 39th Annual Marchand Open | Rochester, New York | USA | 2017-04-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2060 | 1934 | 1.50 | 4 | 0.06 | 40 | 2.40 | |
|  Phelps, David B | | | 1954 | USA | 1.00 | 1 | 0.53 | 40 | 21.20 | |  Hernandez Carmenate, Holden | g | | 2334 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Shriver, Owen F | | | 1866 | USA | 0.50 | 1 | -0.09 | 40 | -3.60 | | | Lubas, Erik W | | | 2085 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | | | * 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) | | | | 11th Annual Philadelphia Open | Philadelphia, Pennsylvania | USA | 2017-04-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2121 | 1934 | 2.50 | 8 | 0.32 | 40 | 12.80 | |
| | Zhang, Yuanchen | f | | 2268 | CAN | 0.50 | 1 | 0.38 | 40 | 15.20 | | | Kumar, Aravind | f | | 2188 | USA | 0.50 | 1 | 0.31 | 40 | 12.40 | | | Yu, Jennifer R | | wm | 2209 | USA | 0.50 | 1 | 0.33 | 40 | 13.20 | | | Huang, Andy | | | 2196 | USA | 0.00 | 1 | -0.18 | 40 | -7.20 | | | Paul, Justin | | | 2179 | USA | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Eswaran, Ashritha | | wm | 2162 | USA | 0.00 | 1 | -0.21 | 40 | -8.40 | | | Lee, Jayden Z | | | 1682 | USA | 1.00 | 1 | 0.19 | 40 | 7.60 | | | Nakada, Akira W | | | 2083 | USA | 0.00 | 1 | -0.30 | 40 | -12.00 | |
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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