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Individual Calculations January 2010 |
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| Lapid Shafriri, G Total change: -1.50 | |   |
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| 27th Annual Sands Regency - Western States Open | Reno, Nevada | USA | 2009-10-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2146 | 2159 | 2.50 | 5 | -0.06 | 25 | -1.50 | |
|  Brooks, Michael A | m | | 2478 | USA | 0.50 | 1 | 0.37 | 25 | 9.25 | | | Small, Gregg H | f | | 2303 | USA | 0.00 | 1 | -0.31 | 25 | -7.75 | |  Haring, Ruth Inez | | wm | 1986 | USA | 1.00 | 1 | 0.27 | 25 | 6.75 | | | Greanias, Steven D | | | 2161 | USA | 0.00 | 1 | -0.50 | 25 | -12.50 | | | Acon, Jennifer C | | | 1802 | USA | 1.00 | 1 | 0.11 | 25 | 2.75 | |
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) | | |
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