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Individual Calculations September 2009 |
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| Undrahbuyan, Baasa Total change: -11.55 | |   |
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| 37th Annual World Open - Under 2400 Section | Philadelphia, Pennsylvania | USA | 2009-06-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2065 | 2035 | 1.50 | 5 | -0.77 | 15 | -11.55 | |
|  Collier, Philip M | | | 2106 | USA | 0.00 | 1 | -0.40 | 15 | -6.00 | |  Liu, Jennie S | | | 1843 | USA | 0.50 | 1 | -0.25 | 15 | -3.75 | | | Rosen, Eric S | | | 2142 | USA | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Terrie, Henry L | | | 2089 | USA | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Hortillosa, Andres | | | 2143 | USA | 0.50 | 1 | 0.15 | 15 | 2.25 | |
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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