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Individual Calculations July 2011 |
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| Aiello, Roberto Total change: -6.00 | |   |
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| 2011 Washington Open | Renton, Washington | USA | 2011-05-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2142 | 1998 | 1.00 | 4 | -0.24 | 25 | -6.00 | |
|  Ummel, Igor | | | 2103 | USA | 1.00 | 1 | 0.64 | 25 | 16.00 | |  Omori, Michael | | | 2225 | USA | 0.00 | 1 | -0.21 | 25 | -5.25 | | | Bartron, Paul | f | | 2107 | USA | 0.00 | 1 | -0.35 | 25 | -8.75 | | | Lee, Nathan Y | | | 2133 | USA | 0.00 | 1 | -0.32 | 25 | -8.00 | |
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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