Individual Calculations November 2009 |
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Friedman, David Total change: -5.75 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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65th Ohio Chess Congress | Dayton, Ohio | USA | 2009-09-05 |
Rc | Ro | w | n | change | K | K*chg | Game |
2002 | 1936 | 1.00 | 3 | -0.23 | 25 | -5.75 | |
| Hollinberger, Drew | | | 1980 | USA | 0.50 | 1 | 0.06 | 25 | 1.50 | | Dowling, John | | | 2060 | USA | 0.50 | 1 | 0.17 | 25 | 4.25 | | Cao, Kevin | | | 1966 | USA | 0.00 | 1 | -0.46 | 25 | -11.50 | | 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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