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Individual Calculations January 2012 |
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| Whitehead, David J Total change: -38.10 | |   |
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| Imperial College Open | London | ENG | 2011-11-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2079 | 2.00 | 4 | -0.45 | 15 | -6.75 | |
|  Sagues, Vincent | | | 1952 | FRA | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Cetens, Edward | | | 1708 | CZE | 1.00 | 1 | 0.10 | 15 | 1.50 | | | O`Toole, George E | | | 2189 | ENG | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Rogers, Tim L | | | 2061 | ENG | 0.50 | 1 | -0.03 | 15 | -0.45 | |
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) | | | | London Chess Classic 2011: Open | London | ENG | 2011-12-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1909 | 2079 | 3.50 | 8 | -2.09 | 15 | -31.35 | |
| | Miu, Marinel | | | 1679 * | ROU | 0.50 | 1 | -0.42 | 15 | -6.30 | | | Cetens, Edward | | | 1708 | CZE | 0.00 | 1 | -0.90 | 15 | -13.50 | | | Marchant, Geoffrey | | | 1880 | ENG | 1.00 | 1 | 0.24 | 15 | 3.60 | | | Sagues, Vincent | | | 1952 | FRA | 0.50 | 1 | -0.17 | 15 | -2.55 | | | White, David J | | | 1958 | ENG | 0.50 | 1 | -0.16 | 15 | -2.40 | | | Stone, Andrew M | | | 2234 | ENG | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Calvert, D Ian | | | 1950 | ENG | 0.50 | 1 | -0.17 | 15 | -2.55 | | | Andreev, Peter | | | 1914 | ENG | 0.50 | 1 | -0.22 | 15 | -3.30 | | | * 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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