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Individual Calculations July 2008 |
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| Wallach, Kenneth Total change: -15.60 | |   |
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| 17th Annual Chicago Open (U2300 Section) | Wheeling, Illinois | USA | 2008-05-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 2189 | 1.50 | 4 | -1.13 | 15 | -16.95 | |
|  Brock, William | | | 1979 | USA | 0.50 | 1 | -0.27 | 15 | -4.05 | |  Swaminathan, Rahul | | | 1993 | USA | 1.00 | 1 | 0.25 | 15 | 3.75 | | | Agarwal, Rohan | | | 2196 | USA | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Goldstein, Brian | | | 2103 | USA | 0.00 | 1 | -0.62 | 15 | -9.30 | |
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) | | | | 2008 National Open | Las Vegas, Nevada | USA | 2008-06-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2189 | 1.50 | 4 | 0.09 | 15 | 1.35 | |
| | Bournival, Braden | f | | 2320 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Adamson, Robby | f | | 2349 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Naroditsky, Daniel | f | | 2242 | USA | 0.50 | 1 | 0.07 | 15 | 1.05 | | | Cline, John | | | 2282 | USA | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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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