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Individual Calculations December 2023 |
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| Pert, Max Total change: 57.20 | |   |
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| 2023 Isle of Man International, Major & Minor | Douglas | IOM | 2023-10-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1807 | 1894 | 4.50 | 7 | 0.33 | 40 | 13.20 | |
|  Armstrong, Chris | | | 1485 | IRL | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Spence, David J | | | 2133 | ENG | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Carr, Jay | | | 1684 | USA | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Jackson, Oliver A | f | | 2072 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Wynarczyk, Raymond | | | 1676 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Dobson, Howard | | | 1671 | IOM | 1.00 | 1 | 0.22 | 40 | 8.80 | | | Waddington, Mike P | f | | 1931 | ENG | 1.00 | 1 | 0.55 | 40 | 22.00 | |
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) | | | | 2023-24 4NCL Division 2 Rounds 1-2 | Milton Keynes | ENG | 2023-11-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2137 | 1894 | 1.50 | 2 | 1.10 | 40 | 44.00 | |
| | Brewer, Callum D | | | 2128 | ENG | 0.50 | 1 | 0.29 | 40 | 11.60 | | | Bullen, Alex | c | | 2146 | WLS | 1.00 | 1 | 0.81 | 40 | 32.40 | |
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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