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Individual Calculations September 2009 |
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| Ross, Chris N Total change: 3.60 | |   |
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| Big Slick London Open | Purley | ENG | 2009-06-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2016 | 2195 | 3.50 | 4 | 0.59 | 15 | 8.85 | |
|  O Grady, Gary P. | | | 1918 | IRL | 1.00 | 1 | 0.17 | 15 | 2.55 | |  Baruch, Andrew J D | | | 2082 | ENG | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Hayward, Alan | | | 2019 | ENG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Dupre, Paul D | | | 2045 | ENG | 1.00 | 1 | 0.30 | 15 | 4.50 | |
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) | | | | British Championships | Torquay | ENG | 2009-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2203 | 5.50 | 11 | -0.35 | 15 | -5.25 | |
| | Smith, Graham M | | | 2119 | ENG | 0.50 | 1 | -0.12 | 15 | -1.80 | | | McClement, Andrew | | | 1893 | SCO | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Buckley, Graeme N | m | | 2398 | ENG | 0.00 | 1 | -0.25 | 15 | -3.75 | | | De Coverly, Roger D | | | 2127 | ENG | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Williams, Simon K | g | | 2527 | ENG | 0.00 | 1 | -0.13 | 15 | -1.95 | | | Bonafont, Philip R | | | 2124 | ENG | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Jones, William E G | | | 2053 | ENG | 0.50 | 1 | -0.20 | 15 | -3.00 | | | Storey, Charles H | | | 2279 | ENG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Jones, Victor G L | | | 2076 | ENG | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Griffiths, Ryan Rhys | | | 2137 | IRL | 1.00 | 1 | 0.41 | 15 | 6.15 | | | White, Michael J R | f | | 2259 | ENG | 0.00 | 1 | -0.42 | 15 | -6.30 | |
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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