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Individual Calculations September 2019 |
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| Merriman, James Total change: 58.00 | |   |
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| 106th British Championships Major Open | Torquay | ENG | 2019-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1897 | 1808 | 2.50 | 7 | -0.16 | 40 | -6.40 | |
|  Warren, Alex M | | | 1967 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | |  Cusick, Peter W | | | 1971 | ENG | 0.50 | 1 | 0.22 | 40 | 8.80 | | | Hosdurga, Chirag | | | 1927 | ENG | 0.50 | 1 | 0.16 | 40 | 6.40 | | | Gardiner, Eric D | | | 1957 | ENG | 0.00 | 1 | -0.30 | 40 | -12.00 | | | Ruane, Brendan J | | | 1904 | ENG | 1.00 | 1 | 0.63 | 40 | 25.20 | | | Rathbone-Jones, Ifan | | | 1855 | WLS | 0.00 | 1 | -0.43 | 40 | -17.20 | | | Rushbrooke, Tibo | | | 1700 | ENG | 0.00 | 1 | -0.65 | 40 | -26.00 | |
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) | | | | 106th British Championships Under 12 | Torquay | ENG | 2019-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1576 | 1808 | 5.00 | 5 | 1.15 | 40 | 46.00 | |
| | Maton, Emily | | | 1408 * | ENG | 1.00 | 1 | 0.08 | 40 | 3.20 | | | Pert, Nina P | | | 1452 | ENG | 1.00 | 1 | 0.11 | 40 | 4.40 | | | Buanne, Luca | | | 1636 | ENG | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Fleri, Luke | | | 1647 | MLT | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Fleri, Matthew | | | 1739 | MLT | 1.00 | 1 | 0.40 | 40 | 16.00 | | | * 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) | | | | 74th Hampstead FIDE Chess Congress U2200 | London | ENG | 2019-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1834 | 1852 | 2.50 | 4 | 0.46 | 40 | 18.40 | |
| | Llewellyn, Julian D | | | 1512 | ENG | 1.00 | 1 | 0.12 | 40 | 4.80 | | | Chakanyuka, Charles | | | 2019 | ZIM | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Sanitt, Ethan | | | 1752 | ENG | 1.00 | 1 | 0.36 | 40 | 14.40 | | | Davison, Chris | | | 2051 | 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) | | |
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