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Individual Calculations September 2023 |
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| Derakhshani, Borna Total change: 17.20 | |   |
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| 2023 British Championship | Leicester | ENG | 2023-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2271 | 2341 | 5.50 | 9 | 0.35 | 10 | 3.50 | |
|  Merriman, James | | | 2067 | ENG | 1.00 | 1 | 0.17 | 10 | 1.70 | |  Volovich, Julia | | | 1941 * | ENG | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Beaumont, Chris R | m | | 2262 | ENG | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Wadsworth, Matthew J | m | | 2431 | ENG | 0.50 | 1 | 0.12 | 10 | 1.20 | | | Fernandez, Daniel Howard | g | | 2518 | ENG | 0.00 | 1 | -0.27 | 10 | -2.70 | | | Boswell, Jacob Connor | | | 2163 | ENG | 0.50 | 1 | -0.23 | 10 | -2.30 | | | Smith, Olivia | | wf | 2042 | WLS | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Pert, Nicholas | g | | 2536 | ENG | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Gasanov, Eldar | g | | 2481 | UKR | 0.50 | 1 | 0.19 | 10 | 1.90 | | | * 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) | | | | Northumbria IM | Newcastle upon Tyne | ENG | 2023-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2341 | 6.50 | 9 | 1.37 | 10 | 13.70 | |
| | Kanyamarala, Trisha | | wm | 2344 | IRL | 1.00 | 1 | 0.50 | 10 | 5.00 | | | Dunnington, Angus J | m | | 2343 | SCO | 0.50 | 1 | 0.00 | 10 | 0.00 | | | Raczek, Krzysztof | f | | 2305 | POL | 0.50 | 1 | -0.05 | 10 | -0.50 | | | Waldhausen Gordon, Frederick | f | | 2253 | SCO | 0.50 | 1 | -0.12 | 10 | -1.20 | | | Large, Peter G | m | | 2293 | ENG | 1.00 | 1 | 0.43 | 10 | 4.30 | | | Karamsetty, Jeevan | | | 2218 | USA | 1.00 | 1 | 0.33 | 10 | 3.30 | | | Berry, Neil | f | | 2273 | SCO | 1.00 | 1 | 0.41 | 10 | 4.10 | | | Wall, Gavin | m | | 2301 | IRL | 0.50 | 1 | -0.06 | 10 | -0.60 | | | Stoyanov, Viktor | | | 2290 | ENG | 0.50 | 1 | -0.07 | 10 | -0.70 | |
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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