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Individual Calculations July 2011 |
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| Jacob, Sydney J Total change: -23.75 | |   |
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| e2e4 Sunningdale Major 2011 | Sunningdale | ENG | 2011-05-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1724 | 1959 | 1.50 | 4 | -1.59 | 25 | -39.75 | |
|  Watson, Darrell A | | | 1630 | ENG | 0.00 | 1 | -0.88 | 25 | -22.00 | | | Goldie, Thomas | | | 1559 * | SUI | 1.00 | 1 | 0.08 | 25 | 2.00 | | | Kane, Robert | | | 1875 | ENG | 0.50 | 1 | -0.12 | 25 | -3.00 | |  Othman, Mustapha | | | 1832 | NGR | 0.00 | 1 | -0.67 | 25 | -16.75 | | | * 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) | | | | e2e4 Gatwick Major | Gatwick | ENG | 2011-06-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1773 | 1959 | 3.50 | 4 | 0.64 | 25 | 16.00 | |
| | Watson, Darrell A | | | 1630 | ENG | 1.00 | 1 | 0.12 | 25 | 3.00 | | | Staples, Daniel J | | | 1981 | ENG | 1.00 | 1 | 0.53 | 25 | 13.25 | | | Spradley, Julian | | | 1611 | GER | 1.00 | 1 | 0.11 | 25 | 2.75 | | | Payne, Matthew J | | | 1868 | ENG | 0.50 | 1 | -0.12 | 25 | -3.00 | |
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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