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Individual Calculations March 2023 |
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| Obiols, Biel Total change: 13.20 | |   |
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| London Chess League Weekend Congress - U1800 | London | ENG | 2023-02-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1291 | 1444 | 1.00 | 2 | -0.40 | 40 | -16.00 | |
|  Tree, Djuna | | | 1243 | ENG | 0.00 | 1 | -0.76 | 40 | -30.40 | |  Smith, Michael J | | | 1339 | ENG | 1.00 | 1 | 0.36 | 40 | 14.40 | |
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) | | | | Mill HIll Congress February 2023 - Under 1900 | London | ENG | 2023-02-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1554 | 1444 | 2.50 | 5 | 0.73 | 40 | 29.20 | |
| | McNish, David | | | 1647 | SCO | 1.00 | 1 | 0.76 | 40 | 30.40 | | | Llewellyn, Julian D | | | 1618 | ENG | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Yu, Rock | | | 1495 | ENG | 0.50 | 1 | 0.07 | 40 | 2.80 | | | Ivan, Austin | | | 1515 | ENG | 0.50 | 1 | 0.10 | 40 | 4.00 | | | Josiah, Oliver | | | 1496 | ENG | 0.50 | 1 | 0.07 | 40 | 2.80 | |
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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