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Individual Calculations September 2015 |
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| Ackley, Peter J E Total change: -33.60 | |   |
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| 102nd British Chess Championships Weekend Open | Coventry | ENG | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 2026 | 1.00 | 4 | -1.68 | 20 | -33.60 | |
|  Fordham, Nicholas | | | 1932 | ENG | 0.00 | 1 | -0.63 | 20 | -12.60 | |  Walker, Samuel A | | | 1960 | ENG | 0.00 | 1 | -0.59 | 20 | -11.80 | | | Deswarte, Ian | | | 1793 | ENG | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Burns, Martin J | | | 1901 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | |
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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