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Individual Calculations June 2023 |
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| Macfarlane, Donald Total change: -54.40 | |   |
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| 2022/23 4NCL Division 1 Rounds 9-11 | Milton Keynes | ENG | 2023-04-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2246 | 2207 | 0.50 | 3 | -0.86 | 40 | -34.40 | |
|  Thorarinsson, Pall A. | f | | 2168 | ISL | 0.50 | 1 | -0.05 | 40 | -2.00 | |  Czopor, Maciej | f | | 2403 | POL | 0.00 | 1 | -0.25 | 40 | -10.00 | | | Nelson, Jonathan P | | | 2167 | ENG | 0.00 | 1 | -0.56 | 40 | -22.40 | |
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) | | | | English Seniors Championships 2023 - Over 50 | Leamington Spa | ENG | 2023-05-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2083 | 2207 | 4.00 | 7 | -0.50 | 40 | -20.00 | |
| | Hymer, Barry | | | 1898 | ENG | 0.50 | 1 | -0.36 | 40 | -14.40 | | | Donnelly, Andrew J | | | 1807 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Dishman, Stephen | f | | 2259 | ENG | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Henderson, David | | | 2116 | ENG | 0.50 | 1 | -0.12 | 40 | -4.80 | | | Regan, Natasha K | | wm | 1981 | ENG | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Brett, Andrew R | | | 2085 | ENG | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Hebden, Mark L | g | | 2434 | ENG | 0.00 | 1 | -0.21 | 40 | -8.40 | | | * 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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