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Individual Calculations April 2009 |
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| Chiang, Jonathan Total change: 37.80 | |   |
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| 2008 Pan American Class Championships | Fort Worth, Texas | USA | 2008-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1820 | 1535 | 1.00 | 3 | 0.51 | 15 | 7.65 | |
|  Jamison, Courtney | | | 1885 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |  Lin, Dachey | | | 1760 | USA | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Malhotra, Akshay | | | 1815 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | |
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) | | | | JG's Old-Fashioned Hamburgers Texas Masters | Richardson, Texas | USA | 2009-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1866 | 1569 | 3.00 | 5 | 2.23 | 15 | 33.45 | |
| | Holt, Conrad | | | 1919 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Lin, Dachey | | | 1777 | USA | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Vedrickas, Tautvyd | | | 1919 | LTU | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Langer, Michael | f | | 1919 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Malhotra, Akshay | | | 1795 | USA | 1.00 | 1 | 0.79 | 15 | 11.85 | |
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) | | | | DFW FIDE Open | Richardson, Texas | USA | 2009-02-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1919 | 1569 | 0.00 | 2 | -0.22 | 15 | -3.30 | |
| | Vedrickas, Tautvyd | | | 1919 | LTU | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Powell, Mitchell | | | 1919 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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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