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Individual Calculations November 2009 |
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| Chandra, Kevin Total change: -22.90 | |   |
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| DFW FIDE Open V | Richardson, Texas | USA | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2171 | 1771 | 0.00 | 1 | -0.08 | 25 | -2.00 | |
|  Simutowe, Amon | g | | 2171 * | ZAM | 0.00 | 1 | -0.08 | 25 | -2.00 | | | * 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) | | | | 75th Annual Southwest Open | Fort Worth, Texas | USA | 2009-09-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1869 | 1776 | 0.50 | 4 | -1.11 | 25 | -27.75 | |
|  Hughes, Tyler | | | 2176 * | USA | 0.00 | 1 | -0.08 | 25 | -2.00 | | | Young, Steven | | | 1877 | USA | 0.00 | 1 | -0.36 | 25 | -9.00 | | | Lin, Dachey | | | 1745 | USA | 0.00 | 1 | -0.54 | 25 | -13.50 | | | Zhu, Caroline | | | 1679 | USA | 0.50 | 1 | -0.13 | 25 | -3.25 | | | * 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 |
| 1754 | 1776 | 2.50 | 4 | 0.37 | 25 | 9.25 | |
| | Chiang, Jonathan | | | 1632 | USA | 0.50 | 1 | -0.19 | 25 | -4.75 | | | Chiang, Sarah | | wc | 1673 | USA | 1.00 | 1 | 0.36 | 25 | 9.00 | | | He, Tommy | | | 1763 | USA | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Phillips, David W | | | 1946 | USA | 1.00 | 1 | 0.72 | 25 | 18.00 | |
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) | | | NOTE: K factor changed | | Lone Star Open | Dallas, Texas | USA | 2009-10-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1776 | 0.50 | 2 | -0.16 | 15 | -2.40 | |
| | Xiong, Jeffery | | | 1787 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | | | Pamatmat, Jarod M | | | 2039 | USA | 0.50 | 1 | 0.32 | 15 | 4.80 | |
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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