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Individual Calculations July 2012 |
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| Lehmann, Spencer G Total change: -0.90 | |   |
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| 2012 National Open - U2200 Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 1952 | 1.50 | 4 | -0.03 | 30 | -0.90 | |
|  Norman, Roger | | | 2133 | USA | 0.50 | 1 | 0.24 | 30 | 7.20 | |  Botez, Alexandra V | | wc | 2021 | CAN | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Trammell Iii, George | | | 2026 | USA | 0.00 | 1 | -0.40 | 30 | -12.00 | | | Cohen, Lawrence S | | | 1974 | USA | 1.00 | 1 | 0.53 | 30 | 15.90 | |
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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