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Individual Calculations February 2023 |
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| Obi, Okwose Marc Total change: 23.40 | |   |
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| Ealing FIDE Congress December U2200 | London | ENG | 2022-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1953 | 1802 | 1.50 | 4 | 0.29 | 20 | 5.80 | |
|  Brixel, Christof, Dr. | | | 1944 | GER | 0.50 | 1 | 0.19 | 20 | 3.80 | |  White, Jonathan P J | | | 1920 | ENG | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Buyandalai, Tumen | | | 2041 | MGL | 1.00 | 1 | 0.80 | 20 | 16.00 | | | Thatte, Nishchal | | | 1905 | ENG | 0.00 | 1 | -0.36 | 20 | -7.20 | |
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) | | | | 29th 4NCL Congress Major | Harrogate | ENG | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1742 | 2.00 | 3 | 0.14 | 20 | 2.80 | |
| | Murphy, Ross | | | 1628 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Williamson, Graham A | | | 1762 | SCO | 1.00 | 1 | 0.53 | 20 | 10.60 | | | Pilley, Jack | | | 1570 | ENG | 0.00 | 1 | -0.73 | 20 | -14.60 | |
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) | | | | Ealing FIDE Congress - January U1900 | London | ENG | 2023-01-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1687 | 1742 | 3.00 | 4 | 0.74 | 20 | 14.80 | |
| | Han, Qixiang | | | 1470 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Simon, Marek | | | 1871 | POL | 0.50 | 1 | 0.17 | 20 | 3.40 | | | Manuchehri, Alireza | | | 1785 | IRI | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Bryant, Harry | | | 1621 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | |
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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