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Individual Calculations January 2020 |
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| Brodsky, David Total change: 12.80 | |   |
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| 50th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2019-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2278 | 2466 | 5.50 | 6 | 1.19 | 10 | 11.90 | |
|  Zhu, Evelyn | | wm | 2086 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Tian, Eddy | | | 2130 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Narayanan, Samrug | c | | 2248 | USA | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Fishbein, Alexander | g | | 2435 | USA | 1.00 | 1 | 0.46 | 10 | 4.60 | | | Tang, Andrew | g | | 2506 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Liang, Jason | f | | 2261 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | |
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) | | | | 38th Annual Empire City Open | New York, New York | USA | 2019-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2190 | 2466 | 5.00 | 6 | 0.09 | 10 | 0.90 | |
| | Mahajan, Rushaan | c | | 2066 * | USA | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Ni, Winston | | | 2091 | USA | 1.00 | 1 | 0.09 | 10 | 0.90 | | | Poliannikov, Danila | | | 2194 | USA | 0.50 | 1 | -0.33 | 10 | -3.30 | | | Huang, Gary | | | 2134 | USA | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Rohde, Michael A | g | | 2349 | USA | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Pressman, Leif | f | | 2306 | USA | 1.00 | 1 | 0.29 | 10 | 2.90 | | | * 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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