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Individual Calculations May 2011 |
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| Othman, Mustapha Total change: 80.50 | |   |
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| e2e4 Brighton Major G | Brighton | ENG | 2011-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1523 | 1755 | 8.50 | 9 | 1.57 | 25 | 39.25 | |
|  Winter, Malcolm J | | | 1452 | ENG | 1.00 | 1 | 0.14 | 25 | 3.50 | |  Walker, David | | | 1355 * | ENG | 1.00 | 1 | 0.08 | 25 | 2.00 | | | McGladdery, David | | | 1375 | ENG | 1.00 | 1 | 0.09 | 25 | 2.25 | | | Sutton, Daniel | | | 1537 | ENG | 1.00 | 1 | 0.22 | 25 | 5.50 | | | Blake, J Morgan | | | 1485 | ENG | 1.00 | 1 | 0.17 | 25 | 4.25 | | | Fowler, David J | | | 1719 | ENG | 1.00 | 1 | 0.45 | 25 | 11.25 | | | Watson, Darrell A | | | 1685 | ENG | 0.50 | 1 | -0.10 | 25 | -2.50 | | | Brent, Derek | | | 1412 | ENG | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Charpidou, Anna | | | 1684 | GRE | 1.00 | 1 | 0.40 | 25 | 10.00 | | | * 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) | | | NOTE: K factor changed | | e2e4 Uxbridge Major | Uxbridge | ENG | 2011-03-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1890 | 1751 | 4.00 | 4 | 2.75 | 15 | 41.25 | |
| | Jackson, Paul G | | | 1874 | ENG | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Ali, Golam S | | | 1850 | ENG | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Jacob, Sydney J | | | 1970 | ENG | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Nyman, John C H | | | 1865 | ENG | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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) | | |
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