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Individual Calculations February 2013 |
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| Sinha, Sahil Total change: -47.40 | |   |
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| 39th Annual Eastern Open | Washington DC | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1981 | 1.50 | 6 | -1.25 | 30 | -37.50 | |
|  Zhang, Yuanchen | | | 2018 | CAN | 0.50 | 1 | 0.05 | 30 | 1.50 | |  Samuelson, Andrew | | | 2198 | USA | 0.00 | 1 | -0.22 | 30 | -6.60 | | | Peng, David T | | | 2010 | USA | 0.00 | 1 | -0.46 | 30 | -13.80 | | | Moorthy, Srinivas | | | 1906 | USA | 0.50 | 1 | -0.10 | 30 | -3.00 | | | Beckman, Thomas J | | | 1977 | USA | 0.00 | 1 | -0.51 | 30 | -15.30 | | | Saperstein, Craig | | | 1976 | USA | 0.50 | 1 | -0.01 | 30 | -0.30 | |
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) | | | | 5th Annual Chesapeake Open | Gaithersburg, Maryland | USA | 2013-01-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2048 | 1981 | 2.00 | 4 | 0.37 | 30 | 11.10 | |
| | Regam, Jessica | | | 1985 | USA | 0.50 | 1 | 0.01 | 30 | 0.30 | | | Diskin, Daniel | | | 2093 | USA | 0.50 | 1 | 0.15 | 30 | 4.50 | | | Ventura, Christopher | | | 1993 | USA | 0.50 | 1 | 0.02 | 30 | 0.60 | | | Clancy, Daniel J | | | 2121 | USA | 0.50 | 1 | 0.19 | 30 | 5.70 | |
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) | | | | 45th Annual Liberty Bell Open - Open Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2102 | 1981 | 0.00 | 1 | -0.34 | 30 | -10.20 | |
| | Williams, Jeremiah J | | | 2102 | USA | 0.00 | 1 | -0.34 | 30 | -10.20 | |
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) | | | | 45th Annual Liberty Bell Open - U2300 Section | Philadelphia, Pennsylvania | USA | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2013 | 1981 | 1.00 | 3 | -0.36 | 30 | -10.80 | |
| | Opaska, Michael P | | | 2031 | USA | 1.00 | 1 | 0.57 | 30 | 17.10 | | | Holliman, Bob | | | 2021 | USA | 0.00 | 1 | -0.44 | 30 | -13.20 | | | Pillai, Kadhir Andres | | | 1986 | USA | 0.00 | 1 | -0.49 | 30 | -14.70 | |
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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