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Individual Calculations September 2017 |
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| Fowler, David J Total change: -4.00 | |   |
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| 104th British Championships Under 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1659 | 2.00 | 5 | 0.19 | 20 | 3.80 | |
|  Chinguun, Otgonbayar | | | 1850 | MGL | 0.00 | 1 | -0.25 | 20 | -5.00 | |  Plater, Ron | | | 1866 | ENG | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Pearce, Neville R | | | 1659 | ENG | 1.00 | 1 | 0.50 | 20 | 10.00 | | | O`gorman, Brendan | | | 1702 | ENG | 0.50 | 1 | 0.06 | 20 | 1.20 | | | Collicott, Peter J | | | 1741 | ENG | 0.50 | 1 | 0.11 | 20 | 2.20 | |
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 |
| 1516 | 1659 | 3.00 | 5 | -0.39 | 20 | -7.80 | |
| | Chadwick, Susan E | | | 1489 | ENG | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Kesterson, Kennan | | | 1392 | ENG | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Foster, Paul | | | 1432 | ENG | 1.00 | 1 | 0.21 | 20 | 4.20 | | | McCormick, Graeme | | | 1692 | IRL | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Lewis, Timothy | | | 1577 | ENG | 0.00 | 1 | -0.61 | 20 | -12.20 | |
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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