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Individual Calculations September 2023 |
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| Sommerbauer-Cornell, Ben Total change: -21.60 | |   |
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| London Montague Congress - U2300 | London | ENG | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1759 | 1849 | 2.00 | 4 | -0.37 | 40 | -14.80 | |
|  Brackmann, Hendrik | | | 2034 | GER | 0.00 | 1 | -0.26 | 40 | -10.40 | |  Lishoy Gengis Paratazham, Dildara | | | 1597 | ENG | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Nargund, Sujan | | | 1481 | ENG | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Willis, Richard | | | 1924 | ENG | 1.00 | 1 | 0.60 | 40 | 24.00 | |
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) | | | | 57th Berks & Bucks Chess Congress - Championship | Maidenhead | ENG | 2023-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1827 | 1849 | 3.00 | 6 | -0.17 | 40 | -6.80 | |
| | Gorgun, Aliriza Atif | | | 1880 | TUR | 0.00 | 1 | -0.46 | 40 | -18.40 | | | De Coverly, Roger D | | | 1917 | ENG | 1.00 | 1 | 0.59 | 40 | 23.60 | | | Rogers, Tim L | | | 1963 | ENG | 0.00 | 1 | -0.34 | 40 | -13.60 | | | Hall, Antony C | | | 1804 | ENG | 0.50 | 1 | -0.06 | 40 | -2.40 | | | Terler, Bohdan | | | 1642 | UKR | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Rubeck, Jonathan | | | 1755 | ENG | 0.50 | 1 | -0.13 | 40 | -5.20 | |
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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