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Individual Calculations December 2018 |
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| Martinez, Isaac Total change: 6.60 | |   |
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| Marshall Premier November 2018 | New York, New York | USA | 2018-11-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 2127 | 2.00 | 5 | -0.97 | 20 | -19.40 | |
|  Berg, George | | | 1930 | USA | 0.00 | 1 | -0.75 | 20 | -15.00 | |  Zhang, Alan | | | 2112 | USA | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Zong, Davis | | | 2161 | USA | 1.00 | 1 | 0.55 | 20 | 11.00 | | | Mahajan, Rushaan | c | | 1963 | USA | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Huston, Gus | | | 2105 | USA | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | 2018 Ivy League Challenge | Toronto | CAN | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2074 | 2127 | 3.00 | 3 | 1.31 | 20 | 26.20 | |
| | Webster, Kyle | | | 1902 | USA | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Hu, Bryan | | | 2240 | USA | 1.00 | 1 | 0.65 | 20 | 13.00 | | | Zehn, Nasir | | | 2081 | CAN | 1.00 | 1 | 0.44 | 20 | 8.80 | |
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) | | | | 49th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2018-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2041 | 2127 | 3.00 | 5 | -0.01 | 20 | -0.20 | |
| | Forney, Robert | | | 1832 | USA | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Zhao, Boyang | | | 1800 | USA | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Prilleltensky, Matan | | | 2153 | USA | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Krush, Irina | g | wg | 2434 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Luo, Terry | | | 1984 | USA | 1.00 | 1 | 0.31 | 20 | 6.20 | |
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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