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Individual Calculations October 2021 |
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| Ackley, Peter J E Total change: -6.40 | |   |
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| 57th Northumberland Chess Weekender | Newcastle | ENG | 2021-09-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1880 | 2014 | 3.00 | 5 | -0.32 | 20 | -6.40 | |
|  Garnett, John S | | | 1823 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | |  Davies, Nigel R | g | | 2414 * | WLS | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Bielby, Paul R | | | 1877 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | McKay, Jonathan | | | 1620 | SCO | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Bridgeman, Niamh | | | 1664 | ENG | 0.50 | 1 | -0.39 | 20 | -7.80 | | | * 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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