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Individual Calculations September 2013 |
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| Purdon, Colin Total change: -8.10 | |   |
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| British Championship 2013 | Torquay | ENG | 2013-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2163 | 2140 | 5.00 | 11 | -0.30 | 15 | -4.50 | |
|  Hebden, Mark L | g | | 2540 * | ENG | 0.00 | 1 | -0.08 | 15 | -1.20 | |  Stewart, Ashley | | | 2053 | ENG | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Broadley, Henry | | | 1953 | ENG | 0.00 | 1 | -0.74 | 15 | -11.10 | | | Jones, Steven A | | | 2033 | ENG | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Walker, Samuel A | | | 1978 | ENG | 0.50 | 1 | -0.21 | 15 | -3.15 | | | Kalaiyalahan, Akshaya | | | 1920 | ENG | 1.00 | 1 | 0.22 | 15 | 3.30 | | | McCullough, Simon L | | | 2076 | ENG | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Bates, Richard A | m | | 2375 | ENG | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Fernandez, Daniel Howard | m | | 2346 | SIN | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Storey, Charles | f | | 2214 | ENG | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Ledger, Dave J | f | | 2305 | ENG | 0.00 | 1 | -0.28 | 15 | -4.20 | | | * 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) | | | | 49th Berks & Bucks Championship | Twyford, Reading | ENG | 2013-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 2140 | 4.00 | 6 | -0.24 | 15 | -3.60 | |
| | Amato, Giampiero | | | 2009 | ITA | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Head, Louise | | | 1769 | ENG | 0.50 | 1 | -0.40 | 15 | -6.00 | | | Hayward, Philip T | | | 1918 | FRA | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Miranda Gonzalez, Nicole | | | 1999 | CHI | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Iyengar, Ilya | | | 1997 | ENG | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Wadsworth, Matthew J | | | 2137 | ENG | 0.50 | 1 | 0.00 | 15 | 0.00 | |
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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