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Individual Calculations May 2012 |
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| Griggs, Walker K Total change: -7.80 | |   |
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| 13th Annual Pittsburgh Open | Pittsburgh, Pennsylvania | USA | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2117 | 2212 | 1.50 | 3 | -0.26 | 30 | -7.80 | |
|  Virkud, Apurva | | | 1821 | USA | 1.00 | 1 | 0.09 | 30 | 2.70 | | | Mo, Kevin | | | 2180 | USA | 0.50 | 1 | -0.04 | 30 | -1.20 | |  Rosen, Eric S | f | | 2351 | USA | 0.00 | 1 | -0.31 | 30 | -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) | | |
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