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Individual Calculations June 2023 |
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| Webb, Richard M Total change: -21.60 | |   |
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| 2022/23 4NCL Division 3 East Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2029 | 2179 | 1.50 | 3 | -0.60 | 20 | -12.00 | |
|  Rich, Mark C | c | | 2070 | ENG | 0.50 | 1 | -0.15 | 20 | -3.00 | |  Salmons, Calum | | | 1972 | ENG | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Tippleston, Charles E | c | | 2045 | ENG | 0.50 | 1 | -0.18 | 20 | -3.60 | |
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) | | | | 32nd Frome Chess Congress | Frome | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1939 | 2179 | 3.50 | 5 | -0.48 | 20 | -9.60 | |
| | Waterfield, John W | | | 1915 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Ashworth, Michael J | | | 1988 | ENG | 0.50 | 1 | -0.25 | 20 | -5.00 | | | Fowler, Hugo | | | 1932 | WLS | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Walker, Max | | | 1852 | ENG | 0.50 | 1 | -0.37 | 20 | -7.40 | | | Hayward, Philip T | | | 2007 | ENG | 0.50 | 1 | -0.23 | 20 | -4.60 | |
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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