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Individual Calculations January 2016 |
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| Zats, Yefrem Total change: -13.60 | |   |
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| 2015 Marshall Amateur Championship - Jerry Simon Memorial | New York, New York | USA | 2015-12-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1863 | 2001 | 3.00 | 5 | -0.34 | 20 | -6.80 | |
|  Glad, Clayton | | | 1886 | USA | 0.50 | 1 | -0.16 | 20 | -3.20 | |  Gajbinkar, Ashutosh S | | | 1642 | USA | 1.00 | 1 | 0.10 | 20 | 2.00 | | | Qi, Henry | | | 2010 | USA | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Prus, Irving B | | | 1813 | USA | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Layevskiy, Michael | | | 1966 | USA | 0.50 | 1 | -0.05 | 20 | -1.00 | |
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) | | | | 99th Annual Edward Lasker Memorial - MCC Championship | New York, New York | USA | 2015-12-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2052 | 2001 | 3.50 | 9 | -0.34 | 20 | -6.80 | |
| | Prilleltensky, Matan | | | 2238 | USA | 0.00 | 1 | -0.20 | 20 | -4.00 | | | Niemann, Hans M | | | 2154 | USA | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Yagiz, Bora | | | 1914 | TUR | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Walton, John | | | 1657 | USA | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Margiotta, Jason J | | | 1950 | USA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Sena, Juan | | | 2148 | DOM | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Miyasaka, Marcus M | f | | 2166 | USA | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Berg, George P. | | | 2044 | USA | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Brodsky, David | f | | 2194 | 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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