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Individual Calculations September 2018 |
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| Hosdurga, Chirag Total change: 120.40 | |   |
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| 105th British Championships Under 14 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1680 | 1498 | 2.50 | 6 | 0.82 | 40 | 32.80 | |
|  Akeya-Price, Robert | | | 1820 | ENG | 0.00 | 1 | -0.13 | 40 | -5.20 | | | Ramaiya, Arushi | | | 1676 | ENG | 1.00 | 1 | 0.73 | 40 | 29.20 | |  Sanitt, Leo | | | 1702 | ENG | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Rathbone-Jones, Ifan | | | 1703 | WLS | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Balouka-Myers, Raphael | | | 1385 | ENG | 1.00 | 1 | 0.35 | 40 | 14.00 | | | Sheikh, Anum | | wc | 1791 | ENG | 0.50 | 1 | 0.35 | 40 | 14.00 | |
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 2050 | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1898 | 1498 | 1.00 | 3 | 0.76 | 40 | 30.40 | |
| | Bryant, Richard B E | | | 1898 * | ENG | 1.00 | 1 | 0.92 | 40 | 36.80 | | | Han, Yichen | | | 1898 * | NED | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Rutherford, William | | | 1898 * | SCO | 0.00 | 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) | | | | 12th Steve Boniface Memorial | Bristol | ENG | 2018-08-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1638 | 2.00 | 4 | 1.43 | 40 | 57.20 | |
| | Miller, George | | | 1953 | ENG | 1.00 | 1 | 0.86 | 40 | 34.40 | | | Dilleigh, Stephen P | | | 2016 | ENG | 0.50 | 1 | 0.41 | 40 | 16.40 | | | Iwi, Graham R | | | 1927 | ENG | 0.00 | 1 | -0.16 | 40 | -6.40 | | | Sierra Jimenez, Manuel | | | 1899 | ESP | 0.50 | 1 | 0.32 | 40 | 12.80 | |
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) | | |
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