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Individual Calculations March 2012 |
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| Zimmer, Ralph P Total change: 7.05 | |   |
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| 2012 Chesapeake Open | Rockville, Maryland | USA | 2012-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2293 | 2206 | 0.50 | 2 | -0.28 | 15 | -4.20 | |
|  Wang, Kevin | | | 2185 | USA | 0.00 | 1 | -0.53 | 15 | -7.95 | |  Kaufman, Lawrence | g | | 2401 | 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 Baltimore Open | Linthicum, Maryland | USA | 2012-02-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2115 | 2206 | 2.00 | 2 | 0.75 | 15 | 11.25 | |
| | Cohen, Harry S | | | 2072 | USA | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Greanias, Steven D | | | 2158 | USA | 1.00 | 1 | 0.43 | 15 | 6.45 | |
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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