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Individual Calculations September 2012 |
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| Ellenbogen, Michael Total change: -3.60 | |   |
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| 113th Annual US Open | Vancouver, Washington | USA | 2012-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 2098 | 2.00 | 3 | 0.66 | 15 | 9.90 | |
|  Gay, Daniel Zachary | | | 2111 | USA | 0.00 | 1 | -0.48 | 15 | -7.20 | |  Rubsamen, Cornelius | | | 2239 | USA | 1.00 | 1 | 0.69 | 15 | 10.35 | | | Gallegos, Paul A | | | 2061 | USA | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | 44th Annual Atlantic Open | Washington DC | USA | 2012-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2136 | 2098 | 0.00 | 2 | -0.90 | 15 | -13.50 | |
| | Hua, David A | | | 2219 | USA | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Ding, Andrew | | | 2053 | USA | 0.00 | 1 | -0.56 | 15 | -8.40 | |
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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