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Individual Calculations July 2011 |
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| Li, Ruifeng Total change: -7.25 | |   |
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| DCC FIDE Open V | Dallas, Texas | USA | 2011-05-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1993 | 1884 | 0.50 | 2 | -0.20 | 25 | -5.00 | |
|  Roring, Tres | | | 2007 | USA | 0.00 | 1 | -0.33 | 25 | -8.25 | | | Xiong, Jeffery | f | | 1979 | USA | 0.50 | 1 | 0.13 | 25 | 3.25 | |
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) | | | | 2011 Texas State and Amateur Championships | Dallas, Texas | USA | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2014 | 1884 | 2.00 | 6 | 0.02 | 25 | 0.50 | |
| | Pamatmat, Jarod M | | | 2145 | USA | 0.00 | 1 | -0.18 | 25 | -4.50 | |  Ramachandran, Karthik | | | 2021 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | | | Phillips, David W | | | 1912 | USA | 0.50 | 1 | 0.04 | 25 | 1.00 | | | Graham-Bowcaster, Shaun | | | 2013 | USA | 1.00 | 1 | 0.67 | 25 | 16.75 | | | Roring, Tres | | | 2007 | USA | 0.50 | 1 | 0.17 | 25 | 4.25 | | | Jamison, Courtney | | | 1986 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | |
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) | | | | DCC FIDE Open VI | Richardson, Texas | USA | 2011-06-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1806 | 1884 | 0.50 | 1 | -0.11 | 25 | -2.75 | |
| | Vaidya, Atulya | | | 1806 | USA | 0.50 | 1 | -0.11 | 25 | -2.75 | |
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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