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Individual Calculations November 2009 |
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| Chiang, Sarah Total change: 40.20 | |   |
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| DFW FIDE Open V | Richardson, Texas | USA | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1937 | 1674 | 1.00 | 1 | 0.82 | 15 | 12.30 | |
|  Phillips, David W | | | 1937 | USA | 1.00 | 1 | 0.82 | 15 | 12.30 | |
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) | | | | 75th Annual Southwest Open | Fort Worth, Texas | USA | 2009-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 1673 | 2.50 | 6 | 0.99 | 15 | 14.85 | |
|  Zhu, Caroline | | | 1679 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Pamatmat, Jarod | | | 2039 | USA | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Graham-Bowcaster, Shaun | | | 2045 | USA | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Dejmek, Mark | | | 2073 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Xiong, Jeffery | | | 1787 | USA | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Lin, Dachey | | | 1745 | USA | 1.00 | 1 | 0.60 | 15 | 9.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 VI | Richardson, Texas | USA | 2009-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1675 | 1673 | 2.00 | 3 | 0.53 | 15 | 7.95 | |
| | Chandra, Kevin | | | 1776 | USA | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Su, Dion | | | 1461 | USA | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Xiong, Jeffery | | | 1787 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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) | | | | Lone Star Open | Dallas, Texas | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2073 | 1673 | 0.50 | 2 | 0.34 | 15 | 5.10 | |
| | Carlin, Alfred | | | 2073 * | USA | 0.50 | 1 | 0.42 | 15 | 6.30 | | | Yeager, Daniel A | f | | 2073 * | USA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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