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Individual Calculations July 2012 |
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| Hua, Margaret M Total change: -8.85 | |   |
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| 21st Annual Chicago Open - U2300 Section | Wheeling, Illinois | USA | 2012-05-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2057 | 1957 | 3.00 | 6 | 0.79 | 15 | 11.85 | |
|  Perepelitsky, Philipp | | | 2107 | USA | 0.50 | 1 | 0.20 | 15 | 3.00 | |  Holliman, Bob | | | 2078 | USA | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Keating, Robert F | | | 2119 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Mattson, Dane M | | | 2094 | USA | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Auger, Michael W | | | 1998 | USA | 0.00 | 1 | -0.44 | 15 | -6.60 | | | Robledo Jr, Mark | | | 1944 | USA | 1.00 | 1 | 0.48 | 15 | 7.20 | |
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) | | | | 2012 National Open - U2200 Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1957 | 0.50 | 4 | -1.38 | 15 | -20.70 | |
| | Abdelmoniem, Hossam H | | | 2071 | EGY | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Victoria, Jesse V | | | 1940 | USA | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Enrico, Patrick L | | | 1878 | USA | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Gojich, Alex | | | 2021 | USA | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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