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Individual Calculations September 2017 |
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| Rathbone-Jones, Ifan Total change: 13.20 | |   |
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| 104th British Championships Under 14 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1599 | 1599 | 4.00 | 7 | 0.50 | 40 | 20.00 | |
|  Gray, Edward | | | 1343 | ENG | 1.00 | 1 | 0.19 | 40 | 7.60 | |  Guha, Chirag | | | 1776 | WLS | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Saravanan, Aadarsh | | | 1630 | ENG | 0.00 | 1 | -0.46 | 40 | -18.40 | | | Jaufarally, Nadia | | | 1657 | ENG | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Fraser, Susanna | | | 1475 | WLS | 1.00 | 1 | 0.33 | 40 | 13.20 | | | Shepherd, Tom | | | 1485 | ENG | 1.00 | 1 | 0.34 | 40 | 13.60 | | | Phillips, David | | | 1828 | ENG | 0.50 | 1 | 0.29 | 40 | 11.60 | |
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) | | | | 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1429 | 1599 | 2.00 | 3 | -0.17 | 40 | -6.80 | |
| | Miller, Max C | | | 1440 | ENG | 1.00 | 1 | 0.29 | 40 | 11.60 | | | Jaufarally, Mohammud N | | | 1450 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Volovich, Julia | | | 1397 | ENG | 0.00 | 1 | -0.76 | 40 | -30.40 | |
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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