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Individual Calculations March 2023 |
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| Crompton, Robert Total change: 19.20 | |   |
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| London Chess League Weekend Congress - U1800 | London | ENG | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1504 | 1455 | 1.50 | 3 | 0.17 | 40 | 6.80 | |
|  Macleod, Andrew | | | 1422 | ENG | 1.00 | 1 | 0.45 | 40 | 18.00 | | | Cabrera Ramos, Javier | | | 1691 | ENG | 0.00 | 1 | -0.20 | 40 | -8.00 | |  Isaacs, Ruairi | | | 1399 | ENG | 0.50 | 1 | -0.08 | 40 | -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) | | | | Mill HIll Congress February 2023 - Under 1900 | London | ENG | 2023-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1510 | 1455 | 2.00 | 4 | 0.31 | 40 | 12.40 | |
| | Llewellyn, Julian D | | | 1618 | ENG | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Amabile, Domenico | | | 1589 | ITA | 0.00 | 1 | -0.32 | 40 | -12.80 | | | Joseph, Tomy | | | 1589 | ENG | 1.00 | 1 | 0.68 | 40 | 27.20 | | | Horwood, Alexander | | | 1243 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | |
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) | | |
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