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Individual Calculations September 2012 |
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| Edwards-Wright, Miles D Total change: -44.25 | |   |
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| British Championship: Major Open 2012 | North Shields | ENG | 2012-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1983 | 3.50 | 8 | -0.55 | 30 | -16.50 | |
|  Mahoney, Nicholas | | | 1803 | ENG | 1.00 | 1 | 0.26 | 30 | 7.80 | | | Waddington, Michael | | | 2123 | ENG | 0.50 | 1 | 0.19 | 30 | 5.70 | |  Weller, Pierre | | | 2039 | ENG | 0.00 | 1 | -0.42 | 30 | -12.60 | | | Wynarczyk, Raymond | | | 1954 | ENG | 0.50 | 1 | -0.04 | 30 | -1.20 | | | Hagesaether, Arne | | | 2150 | NOR | 0.50 | 1 | 0.22 | 30 | 6.60 | | | Armstrong, William G | | | 1914 | ENG | 1.00 | 1 | 0.40 | 30 | 12.00 | | | Garnett, John S | | | 2031 | ENG | 0.00 | 1 | -0.43 | 30 | -12.90 | | | Foster, Chantelle L | | | 1809 | ENG | 0.00 | 1 | -0.73 | 30 | -21.90 | |
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) | | | NOTE: K factor changed | | British Championship: Week 2 Morning 2012 | North Shields | ENG | 2012-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1963 | 1983 | 2.00 | 4 | -0.10 | 15 | -1.50 | |
| | Hookham, Jamie | | | 2058 | SCO | 0.00 | 1 | -0.40 | 15 | -6.00 | | | McAleenan, Charles T | | | 1806 | ENG | 0.50 | 1 | -0.23 | 15 | -3.45 | | | McDonnell, James J. | | | 1925 | IRL | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Archer-Lock, Christopher J | | | 2062 | ENG | 0.50 | 1 | 0.11 | 15 | 1.65 | |
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) | | | NOTE: K factor changed | | Gibraltar Junior International 2012 Under 16s | Gibraltar | ENG | 2012-08-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1669 | 1980 | 2.50 | 5 | -1.75 | 15 | -26.25 | |
| | Gallardo Obregon, Alexandra | | | 1580 * | ESP | 1.00 | 1 | 0.08 | 15 | 1.20 | | | Keen, Cosima | | | 1694 | ENG | 0.00 | 1 | -0.84 | 15 | -12.60 | | | Ehr, Jennifer | | | 1594 | ENG | 1.00 | 1 | 0.09 | 15 | 1.35 | | | Burch, Jonathan | | | 1832 | ENG | 0.00 | 1 | -0.70 | 15 | -10.50 | | | Keen, Freddie | | | 1644 | ENG | 0.50 | 1 | -0.38 | 15 | -5.70 | | | * 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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