Individual Calculations September 2009 |
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Roper, David C Total change: -2.70 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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2009 Central California Open | Fresno, California | USA | 2009-08-21 |
Rc | Ro | w | n | change | K | K*chg | Game |
2125 | 2303 | 2.00 | 3 | -0.18 | 15 | -2.70 | |
| Daud, Haryanto | | | 2205 | USA | 1.00 | 1 | 0.37 | 15 | 5.55 | | Alonso, Francisco | | | 2054 | USA | 0.00 | 1 | -0.81 | 15 | -12.15 | | Mackenzie, Dana N | | | 2116 | USA | 1.00 | 1 | 0.26 | 15 | 3.90 | | 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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