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Individual Calculations July 2009 |
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| Trammell Iii, George Total change: -5.10 | |   |
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| Phillips 66 Chess Classic | Owasso, Oklahoma | USA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2020 | 2060 | 1.00 | 2 | -0.10 | 15 | -1.50 | |
|  Braunlich, Thomas | | | 2173 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | |  Schuller, John J | | | 1866 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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) | | | | 9th Annual Sands Regency Reno - Far West Open | Reno, Nevada | USA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2125 | 2060 | 1.00 | 3 | -0.24 | 15 | -3.60 | |
| | Bryant, John Daniel | | | 2292 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | | | Acon, Jennifer C | | | 1795 | USA | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Collyer, Curt D | | | 2289 | USA | 0.00 | 1 | -0.21 | 15 | -3.15 | |
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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