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Individual Calculations July 2011 |
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| Mayers, Dan E Total change: -17.55 | |   |
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| 20th Annual Chicago Open | Wheeling, Illinois | USA | 2011-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2135 | 1964 | 0.50 | 7 | -1.44 | 15 | -21.60 | |
|  Dahl, Matthew D | | | 2133 | USA | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Whaley, Davis M | | | 2160 | USA | 0.00 | 1 | -0.25 | 15 | -3.75 | |  Ding, Jialin | | | 2171 | USA | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Gurczak, John | | | 2121 | USA | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Mackinnon, Keith | | | 2211 | CAN | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Mattson, Dane M | | | 2101 | USA | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Coraretti, Benjami | | | 2051 | USA | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | 2011 National Open - U2200 Section | Las Vegas, Nevada | USA | 2011-06-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 1964 | 1.00 | 1 | 0.27 | 15 | 4.05 | |
| | Chiang, Jonathan | | | 1793 | USA | 1.00 | 1 | 0.27 | 15 | 4.05 | |
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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