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Individual Calculations September 2015 |
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| Kaufman, Larry C Total change: -13.90 | |   |
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| 5th Annual Potomac Open | Rockville, Maryland | USA | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2118 | 2317 | 3.00 | 4 | -0.01 | 10 | -0.10 | |
|  Sinha, Sahil | | | 2137 | USA | 1.00 | 1 | 0.26 | 10 | 2.60 | |  Zimmer, Ralph | f | | 2230 | USA | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Shen, Christopher Y | c | | 2058 | USA | 0.50 | 1 | -0.32 | 10 | -3.20 | | | Phillips, Jeff | | | 2047 | USA | 1.00 | 1 | 0.17 | 10 | 1.70 | |
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) | | | | 4th Annual Washington International - Section A | Rockville, Maryland | USA | 2015-08-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2320 | 2.50 | 7 | -1.38 | 10 | -13.80 | |
| | Zheng, Andrew | | | 2121 | USA | 1.00 | 1 | 0.24 | 10 | 2.40 | | | Arun Prasad, S. | g | | 2503 | IND | 0.00 | 1 | -0.26 | 10 | -2.60 | | | Kumar, Aravind | f | | 2180 | USA | 1.00 | 1 | 0.31 | 10 | 3.10 | | | Ruiz C, Joshua D | m | | 2390 | COL | 0.00 | 1 | -0.40 | 10 | -4.00 | | | Hilby, Craig | | | 2367 | USA | 0.00 | 1 | -0.43 | 10 | -4.30 | | | Yu, Jennifer R | | wf | 2193 | USA | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Jacobson, Brandon | c | | 2197 | USA | 0.00 | 1 | -0.67 | 10 | -6.70 | |
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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