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Individual Calculations November 2011 |
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| Porter, Ryan Total change: -10.65 | |   |
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| 33rd Annual Southern California Open | San Diego, California | USA | 2011-09-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2253 | 4.00 | 5 | 0.42 | 15 | 6.30 | |
|  Lu, Albert | | | 1994 | USA | 0.00 | 1 | -0.82 | 15 | -12.30 | |  Kleist, Frederick | | | 2104 | CAN | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Navabi, Shirin | | wf | 2073 | IRI | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Moussa, Alaa-Addin | c | | 2168 | PLE | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Krishnan, Varun | | | 2106 | USA | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | 29th Annual Sands Regency Reno - Western States Open | Reno, Nevada | USA | 2011-10-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 2253 | 2.00 | 5 | -1.13 | 15 | -16.95 | |
| | Anderson, Michael | | | 1853 * | USA | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Bryant, John D | f | | 2403 | USA | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Viswanadha, Kesav | | | 1938 | USA | 0.00 | 1 | -0.86 | 15 | -12.90 | | | Zavadsky, Peter | | | 2294 | SVK | 1.00 | 1 | 0.56 | 15 | 8.40 | | | Manvelyan, Hayk | | | 2171 | USA | 0.00 | 1 | -0.61 | 15 | -9.15 | | | * 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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