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Individual Calculations August 2023 |
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| Pert, Max Total change: -50.40 | |   |
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| 2023 British Championship: Weekender - Atkins | Leicester | ENG | 2023-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 1937 | 2.00 | 4 | -0.55 | 40 | -22.00 | |
|  Obi, Okwose Marc | | | 1749 | ENG | 0.00 | 1 | -0.74 | 40 | -29.60 | |  Phillips, David | | | 1825 | ENG | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Bridgeman, Niamh | | | 1786 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Borrowdale, Graham E | | | 1965 | ENG | 1.00 | 1 | 0.54 | 40 | 21.60 | |
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) | | | | 2023 British Championship: Under 16 Championship | Leicester | ENG | 2023-07-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1718 | 1937 | 4.50 | 7 | -0.71 | 40 | -28.40 | |
| | Sharma, Josh | | | 1624 | ENG | 1.00 | 1 | 0.14 | 40 | 5.60 | | | Ivan, Austin | | | 1549 | ENG | 0.50 | 1 | -0.41 | 40 | -16.40 | | | Chan, Michelle (ngo Yu) | | | 1642 | ENG | 0.50 | 1 | -0.35 | 40 | -14.00 | | | Burnton, Joshua | | | 1537 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Sachdeva, Ronit | | | 1718 | ENG | 0.50 | 1 | -0.28 | 40 | -11.20 | | | Pal, Rohan | | | 1966 | ENG | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Madhavan, Sanjith | | | 1987 | SCO | 0.50 | 1 | 0.07 | 40 | 2.80 | | | * 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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