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Individual Calculations September 2014 |
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| Kaufman, Lawrence Total change: -1.90 | |   |
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| 4th Annual Potomac Open | Rockville, Maryland | USA | 2014-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2175 | 2320 | 1.50 | 3 | -0.47 | 10 | -4.70 | |
|  Chang, Jeffrey E | | | 2027 | USA | 0.50 | 1 | -0.35 | 10 | -3.50 | |  Zhou, Kevin L | | | 1959 | USA | 1.00 | 1 | 0.10 | 10 | 1.00 | | | Barbosa, Oliver | g | | 2540 | PHI | 0.00 | 1 | -0.22 | 10 | -2.20 | |
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) | | | | 3rd Annual Washington International - Section A | Rockville, Maryland | USA | 2014-08-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2320 | 3.50 | 6 | 0.28 | 10 | 2.80 | |
| | Troff, Kayden W | g | | 2514 | USA | 0.00 | 1 | -0.25 | 10 | -2.50 | | | Oussedik, Elias | | | 2100 | CAN | 1.00 | 1 | 0.22 | 10 | 2.20 | | | Melekhina, Alisa | f | wm | 2150 | USA | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Barron, Michael | f | | 2177 | CAN | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Kiewra, Keaton | m | | 2392 | USA | 1.00 | 1 | 0.60 | 10 | 6.00 | | | Ostrovskiy, Aleksandr | m | | 2410 | USA | 0.50 | 1 | 0.12 | 10 | 1.20 | |
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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