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Individual Calculations May 2012 |
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| Rosen, Eric S Total change: 1.65 | |   |
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| 13th Annual Pittsburgh Open | Pittsburgh, Pennsylvania | USA | 2012-03-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2275 | 2351 | 2.50 | 4 | 0.11 | 15 | 1.65 | |
|  Malkiel, Daniel E | | | 2216 | USA | 0.50 | 1 | -0.18 | 15 | -2.70 | | | Gelashvili, Tamaz | g | | 2619 | GEO | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Moore, Johnson S | | | 2051 | USA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Griggs, Walker K | | | 2212 | USA | 1.00 | 1 | 0.31 | 15 | 4.65 | |
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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