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Individual Calculations September 2009 |
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| McKerracher, Douglas Total change: -28.25 | |   |
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| 116th Open Scottish Chess Championship | Edinburgh | SCO | 2009-07-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1985 | 1.50 | 4 | -1.13 | 25 | -28.25 | |
|  Khamroev, Ravshan | | | 2225 | UZB | 0.00 | 1 | -0.20 | 25 | -5.00 | |  Ingram, Liam | | | 1760 | SCO | 1.00 | 1 | 0.22 | 25 | 5.50 | | | McDonald, Ian | | | 1585 * | SCO | 0.50 | 1 | -0.42 | 25 | -10.50 | | | Masters, Andrew D | | | 1808 | SCO | 0.00 | 1 | -0.73 | 25 | -18.25 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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