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Individual Calculations October 2012 |
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| Luther, Ronald G Total change: -6.15 | |   |
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| 58th Iowa Open Championship | Iowa City, Iowa | USA | 2012-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 2139 | 2.00 | 3 | -0.32 | 15 | -4.80 | |
|  Juett, Jason R | | | 1913 | USA | 0.00 | 1 | -0.79 | 15 | -11.85 | |  Dutiel, Tony | | | 1899 | USA | 1.00 | 1 | 0.20 | 15 | 3.00 | | | Cohen, Lawrence S | | | 1963 | 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) | | | | 2012 Missouri State Chess Championship | Columbia, Missouri | USA | 2012-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2522 | 2139 | 0.00 | 1 | -0.09 | 15 | -1.35 | |
| | Bykhovsky, Anatoly | g | | 2522 | ISR | 0.00 | 1 | -0.09 | 15 | -1.35 | |
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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