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Individual Calculations November 2011 |
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| Grattage, Matthew Total change: 44.10 | |   |
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| e2e4 Sunningdale Open | Sunningdale | ENG | 2011-09-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2150 | 1881 | 1.50 | 3 | 0.94 | 30 | 28.20 | |
|  Steil-Antoni, Fiona | | wm | 2096 | LUX | 0.50 | 1 | 0.27 | 30 | 8.10 | |  Ruston, Mark R | | | 2072 | ENG | 1.00 | 1 | 0.75 | 30 | 22.50 | | | Haydon, David L | | | 2281 * | ENG | 0.00 | 1 | -0.08 | 30 | -2.40 | | | * 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 High Wycombe Open | High Wycombe | ENG | 2011-10-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2090 | 1881 | 1.00 | 2 | 0.53 | 30 | 15.90 | |
| | Cannon, Richard J | | | 2096 | ENG | 1.00 | 1 | 0.77 | 30 | 23.10 | | | Merry, Alan B | | | 2084 | ENG | 0.00 | 1 | -0.24 | 30 | -7.20 | |
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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