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Individual Calculations September 2018 |
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| Cowan, Xavier Total change: 20.80 | |   |
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| CCS Midweek FIDE Evening Blast 1551 to 1699 | London | ENG | 2018-07-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1611 | 1619 | 2.00 | 3 | 0.47 | 40 | 18.80 | |
|  Sanfey, Gregor | | | 1597 | ENG | 1.00 | 1 | 0.47 | 40 | 18.80 | |  Lim, Yu-Chin (peter) | | | 1619 | ENG | 0.50 | 1 | 0.00 | 40 | 0.00 | | | Gilmore, Samuel | | | 1617 | ENG | 0.50 | 1 | 0.00 | 40 | 0.00 | |
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) | | | | 105th British Championships Under 14 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1635 | 1619 | 3.50 | 7 | 0.05 | 40 | 2.00 | |
| | Ratnesan, Ranesh | | | 2019 * | ENG | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Cox, Toby | | | 1479 | ENG | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Bansal, Saahil | | | 1454 | ENG | 1.00 | 1 | 0.28 | 40 | 11.20 | | | Sheikh, Anum | | wc | 1791 | ENG | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Rayner, Hugo | | | 1391 | ENG | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Maladkar, Lavanya | | | 1636 | ENG | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Ramaiya, Arushi | | | 1676 | ENG | 0.50 | 1 | 0.08 | 40 | 3.20 | | | * 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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