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Individual Calculations November 2021 |
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| Mason, Donald J Total change: 28.40 | |   |
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| British Senior Championships 2021 O50 | Milton Keynes | ENG | 2021-10-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 2062 | 5.00 | 6 | 1.42 | 20 | 28.40 | |
|  Woods, Timothy J | | | 1662 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | |  Lewis, Andrew P | f | | 2243 | ENG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Waddington, Mike P | f | | 2047 | ENG | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Duncan, Chris R | f | | 2225 | ENG | 1.00 | 1 | 0.72 | 20 | 14.40 | | | Kenning, Paul H | | | 1805 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Erdogan, Hassan | | | 1842 | ENG | 1.00 | 1 | 0.22 | 20 | 4.40 | | | * 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) | | |
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