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Individual Calculations December 2017 |
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| Boris, Peter Theodore Total change: -48.00 | |   |
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| 2017 U.S. Class Championships - Master | Houston, Texas | USA | 2017-11-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2192 | 1952 | 0.00 | 4 | -0.94 | 40 | -37.60 | |
|  Vazquez, Guillermo | m | | 2352 * | PAR | 0.00 | 1 | -0.08 | 40 | -3.20 | |  Matta, Nicholas | | | 2055 | USA | 0.00 | 1 | -0.36 | 40 | -14.40 | | | Ynojosa Aponte, Felix Jose | m | | 2352 * | VEN | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Webster, Dex | | | 2007 | USA | 0.00 | 1 | -0.42 | 40 | -16.80 | | | * 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) | | | | 48th Annual National Chess Congress | Philadelphia, Pennsylvania | USA | 2017-11-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2049 | 1952 | 2.00 | 6 | -0.26 | 40 | -10.40 | |
| | Gorti, Akshita | f | wm | 2196 | USA | 0.50 | 1 | 0.30 | 40 | 12.00 | | | Tanenbaum, Zachary | | | 2091 | USA | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Huang, Andy | | | 2154 | USA | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Juac, Majur | | | 2025 | USA | 0.00 | 1 | -0.40 | 40 | -16.00 | | | Banerjee, Abhimanyu | | | 1943 | USA | 0.00 | 1 | -0.51 | 40 | -20.40 | | | Narkeeran, Madhavan | | | 1883 | USA | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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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