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Individual Calculations September 2023 |
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| Badacsonyi, Stanley Total change: 24.80 | |   |
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| 2023 British Championship: Major Open | Leicester | ENG | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1845 | 1976 | 5.50 | 9 | -0.49 | 40 | -19.60 | |
|  Mize, Dylan | | | 1744 | USA | 0.50 | 1 | -0.29 | 40 | -11.60 | |  Rida, Ruqayyah | | | 1829 | ENG | 0.00 | 1 | -0.70 | 40 | -28.00 | | | Sheikh, Anum | | wc | 1744 | ENG | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Wilkinson, Daniel | | | 1713 | ENG | 0.50 | 1 | -0.32 | 40 | -12.80 | | | Verbytski, Oleg | | | 1795 | ENG | 1.00 | 1 | 0.26 | 40 | 10.40 | | | Rubeck, Jonathan | | | 1761 | ENG | 1.00 | 1 | 0.23 | 40 | 9.20 | | | Arora, Tashika | | | 1836 | ENG | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Atako, Chino C | | | 2009 | ENG | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Nelson, Jonathan P | | | 2175 | ENG | 0.50 | 1 | 0.26 | 40 | 10.40 | |
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) | | | | East Midlands FIDE Congress 2023 - Under 2400 | Wellingborough | ENG | 2023-08-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1967 | 3.50 | 5 | 0.50 | 40 | 20.00 | |
| | Obi, Okwose Marc | | | 1795 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Samarasinghe Jude, Ranga | | | 1921 | SRI | 0.00 | 1 | -0.56 | 40 | -22.40 | | | Volovich, Julia | | | 1823 | ENG | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Fellowes, Billy | | | 1827 | ENG | 1.00 | 1 | 0.31 | 40 | 12.40 | | | Pollack, Oscar | | | 2091 | ENG | 0.50 | 1 | 0.17 | 40 | 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) | | | | London Montague Congress - U2300 | London | ENG | 2023-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1842 | 1967 | 2.50 | 3 | 0.61 | 40 | 24.40 | |
| | Llewellyn, Julian D | | | 1791 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Taylor, Greg | | | 1567 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Unnikrishnan, Midhun P | | | 2168 | IND | 0.50 | 1 | 0.26 | 40 | 10.40 | | | * 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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