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Individual Calculations February 2013 |
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| Chang, Jeffrey E Total change: -18.60 | |   |
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| 39th Annual Eastern Open | Washington DC | USA | 2012-12-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 1974 | 1.00 | 5 | -1.24 | 15 | -18.60 | |
|  Collier, Philip M | | | 1948 | USA | 0.50 | 1 | -0.04 | 15 | -0.60 | |  Zhang, Yuanchen | | | 2018 | CAN | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Samuelson, Andrew | | | 2198 | USA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Peng, David T | | | 2010 | USA | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Moorthy, Srinivas | | | 1906 | USA | 0.00 | 1 | -0.59 | 15 | -8.85 | |
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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