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Individual Calculations September 2023 |
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| Brett, Andrew R Total change: -12.40 | |   |
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| 2023 British Championship: Over 50 Championship | Leicester | ENG | 2023-07-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2007 | 2078 | 3.50 | 7 | -0.62 | 20 | -12.40 | |
|  Giulian, Rosemary A | | | 1855 | SCO | 0.50 | 1 | -0.28 | 20 | -5.60 | |  Brown, Alan M | | | 1988 | ENG | 0.00 | 1 | -0.62 | 20 | -12.40 | | | Ledger, Stephen C | | | 1978 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Kennedy, Craig | | | 1784 | SCO | 0.50 | 1 | -0.35 | 20 | -7.00 | | | Hughes, Roy | | | 2007 | ENG | 1.00 | 1 | 0.40 | 20 | 8.00 | | | Molyneux, John | | | 2230 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Pitcher, John | | | 2206 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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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