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Individual Calculations June 2023 |
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| Ackley, Peter J E Total change: -9.40 | |   |
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| 2022/23 4NCL Division 2 Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2132 | 1931 | 1.00 | 3 | 0.23 | 20 | 4.60 | |
|  Powierski, Emil | | | 2282 | GER | 0.00 | 1 | -0.11 | 20 | -2.20 | |  Dunn, Andrew | c | | 2068 | ENG | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Varnam, Liam D | | | 2047 | ENG | 0.50 | 1 | 0.16 | 20 | 3.20 | |
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) | | | | Durham County Chess Congress - Open | Darlington | ENG | 2023-05-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1809 | 1929 | 2.50 | 5 | -0.70 | 20 | -14.00 | |
| | Kryshtafor, Maksym | | | 1529 * | UKR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Redmond, John P. | | | 2193 | IRL | 0.00 | 1 | -0.18 | 20 | -3.60 | | | Caso Huerta, Marcos | | | 1816 | ESP | 0.50 | 1 | -0.15 | 20 | -3.00 | | | Blackford, Ross | | | 1704 | SCO | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Garnett, John S | | | 1803 | ENG | 0.50 | 1 | -0.17 | 20 | -3.40 | | | * 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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