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Individual Calculations February 2017 |
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| Samuelson, Andrew Total change: 7.60 | |   |
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| 43rd Annual Eastern Open | Bethesda, Maryland | USA | 2016-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2265 | 4.00 | 7 | 0.43 | 20 | 8.60 | |
|  Lucente, Mike | | | 1976 | USA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Gilden, Lawrence C | f | | 2114 | USA | 0.50 | 1 | -0.20 | 20 | -4.00 | | | Gorti, Akshita | f | wm | 2182 | USA | 1.00 | 1 | 0.39 | 20 | 7.80 | | | Erenburg, Sergey | g | | 2569 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Kaufman, Larry C | g | | 2282 | USA | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Lenderman, Aleksandr | g | | 2581 | USA | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Huang, Andy | | | 2143 | USA | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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) | | | | 9th Annual Chesapeake Open | Rockville, Maryland | USA | 2017-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2257 | 2269 | 3.50 | 7 | -0.05 | 20 | -1.00 | |
| | Ling, Evan Maxwell | | | 1869 * | USA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Paragua, Mark C | g | | 2492 | PHI | 0.50 | 1 | 0.28 | 20 | 5.60 | | | Barbosa, Oliver | g | | 2518 | PHI | 0.00 | 1 | -0.19 | 20 | -3.80 | | | Indusekar, Akshay | | | 2113 | USA | 1.00 | 1 | 0.29 | 20 | 5.80 | | | Boffa, Mauro | | | 2165 | SUI | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Gorti, Akshita | f | wm | 2164 | USA | 1.00 | 1 | 0.36 | 20 | 7.20 | | | Fishbein, Alexander | g | | 2481 | USA | 0.00 | 1 | -0.23 | 20 | -4.60 | | | * 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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