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Individual Calculations September 2017 |
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| Kaufman, Larry C Total change: -13.70 | |   |
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| 7th Annual Potomac Open - Championship | Rockville, Maryland | USA | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2245 | 2270 | 2.00 | 4 | -0.13 | 10 | -1.30 | |
|  Balleisen, Aaron S | | | 2231 | USA | 1.00 | 1 | 0.45 | 10 | 4.50 | |  Yu, Jennifer R | f | wm | 2312 | USA | 0.50 | 1 | 0.06 | 10 | 0.60 | | | Kumar, Aravind | f | | 2207 | USA | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Bian, Alex | f | | 2231 | USA | 0.00 | 1 | -0.55 | 10 | -5.50 | |
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) | | | | 6th Annual Washington International - Masters | Rockville, Maryland | USA | 2017-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2270 | 0.50 | 3 | -1.24 | 10 | -12.40 | |
| | Perelshteyn, Eugene | g | | 2507 | USA | 0.00 | 1 | -0.20 | 10 | -2.00 | | | Nguyen, Tan | f | | 2106 | USA | 0.00 | 1 | -0.72 | 10 | -7.20 | | | Yang, Qindong | | | 2013 | CHN | 0.50 | 1 | -0.32 | 10 | -3.20 | |
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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