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Individual Calculations March 2010 |
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| Akopian, Robert Total change: 3.90 | |   |
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| 19th Annual North American Open | Las Vegas, Nevada | USA | 2009-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2123 | 2105 | 2.50 | 5 | 0.15 | 15 | 2.25 | |
|  Riordan, Charles R | f | | 2305 | USA | 0.00 | 1 | -0.24 | 15 | -3.60 | |  Acon, Jennifer C | | | 1824 | USA | 1.00 | 1 | 0.16 | 15 | 2.40 | | | Iwamoto, Takashi | f | | 2252 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Formanek, Edward W | m | | 2240 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Coraretti, Benjamin | | | 1996 | USA | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | 27th Annual US Amateur Team West | Woodland Hills, California | USA | 2010-02-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2148 | 2105 | 1.00 | 2 | 0.11 | 15 | 1.65 | |
| | Banawa, Jouaquin B | | | 2288 | PHI | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Dellaca, Roger | | | 2008 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | |
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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