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Individual Calculations July 2012 |
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| Norman, Roger Total change: -22.65 | |   |
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| 2012 Western Amateur | Los Angeles, California | USA | 2012-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2089 | 2133 | 1.50 | 3 | -0.18 | 15 | -2.70 | |
|  Faber, Craig A | | | 2108 | USA | 0.50 | 1 | -0.03 | 15 | -0.45 | |  Rupel, David G | | | 2113 | USA | 1.00 | 1 | 0.47 | 15 | 7.05 | | | West, Vanessa A | | | 2045 | 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) | | | | 2012 Lina Grumette Memorial Day Classic | Ontario, California | USA | 2012-05-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 2133 | 1.00 | 3 | -0.88 | 15 | -13.20 | |
| | King, Alexander B | | | 2211 | USA | 0.50 | 1 | 0.11 | 15 | 1.65 | | | Hough, Randall D | | | 1949 | USA | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Hilby, Craig | | | 1942 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | |
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) | | | | 2012 National Open - U2200 Section | Las Vegas, Nevada | USA | 2012-06-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 2133 | 1.00 | 2 | -0.45 | 15 | -6.75 | |
| | Lehmann, Spencer G | | | 1952 | USA | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Cohen, Lawrence S | | | 1974 | USA | 0.50 | 1 | -0.21 | 15 | -3.15 | |
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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