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Individual Calculations November 2009 |
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| Ledger, Dave J Total change: -17.85 | |   |
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| Coulsdon Autumn Open | Coulsdon | ENG | 2009-08-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 2225 | 3.00 | 5 | -1.19 | 15 | -17.85 | |
|  Hayward, Alan | | | 1985 | ENG | 0.00 | 1 | -0.80 | 15 | -12.00 | | | Jones, Laurence A G | | | 1825 * | ENG | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Jones, William E G | | | 2053 | ENG | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Williams, Peter A | | | 1961 | ENG | 0.50 | 1 | -0.32 | 15 | -4.80 | | | Daley, Eugene | | | 1825 * | ENG | 0.50 | 1 | -0.42 | 15 | -6.30 | | | * 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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