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Individual Calculations April 2018 |
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| Samadashvili, Martha Total change: 50.40 | |   |
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| Marshall Premier March 2017 | New York, New York | USA | 2018-03-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2020 | 2.00 | 3 | 0.47 | 40 | 18.80 | |
|  Putnam, Liam Henry | | | 1747 | USA | 1.00 | 1 | 0.17 | 40 | 6.80 | |  Ostrovskiy, Aleksandr | m | | 2391 | USA | 0.00 | 1 | -0.10 | 40 | -4.00 | | | Zong, Davis | | | 1948 | USA | 1.00 | 1 | 0.40 | 40 | 16.00 | |
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) | | | | 40th Annual Marchand Open | Rochester, New York | USA | 2018-03-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2020 | 2.00 | 4 | 0.79 | 40 | 31.60 | |
| | Shabalov, Alexander | g | | 2420 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Casey, Jacob Frede | | | 1871 | USA | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Weatherly, Daryll | | | 2132 | USA | 1.00 | 1 | 0.65 | 40 | 26.00 | | | Kudrin, Sergey | g | | 2420 * | USA | 0.00 | 1 | -0.08 | 40 | -3.20 | | | * 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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