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Individual Calculations November 2009 |
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| Phillips, David W Total change: -28.40 | |   |
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| DFW FIDE Open V | Richardson, Texas | USA | 2009-08-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1787 | 1937 | 1.00 | 3 | -1.06 | 25 | -26.50 | |
|  Williams, Mack H | | | 1746 | USA | 1.00 | 1 | 0.25 | 25 | 6.25 | |  Jayakumar, Adarsh | | | 1941 | USA | 0.00 | 1 | -0.49 | 25 | -12.25 | | | Chiang, Sarah | | wc | 1674 | USA | 0.00 | 1 | -0.82 | 25 | -20.50 | |
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 |
| 2193 | 1946 | 1.00 | 3 | 0.41 | 25 | 10.25 | |
| | Dejmek, Mark | | | 2110 | USA | 0.50 | 1 | 0.22 | 25 | 5.50 | | | Land, Chris | f | | 2255 | USA | 0.00 | 1 | -0.14 | 25 | -3.50 | | | Schoonmaker, Nicholas | c | | 2215 | USA | 0.50 | 1 | 0.33 | 25 | 8.25 | |
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) | | | NOTE: K factor changed | | DFW FIDE Open VI | Richardson, Texas | USA | 2009-09-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 1946 | 0.00 | 2 | -0.81 | 15 | -12.15 | |
| | Bryant, John D | | | 2331 | USA | 0.00 | 1 | -0.09 | 15 | -1.35 | | | Chandra, Kevin | | | 1776 | USA | 0.00 | 1 | -0.72 | 15 | -10.80 | |
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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