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Individual Calculations September 2017 |
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| Grice, Alec Total change: -32.00 | |   |
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| 104th British Championships Weekend Under 1825 | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1570 | 1667 | 1.50 | 3 | -0.39 | 40 | -15.60 | |
|  Livermore, Richard Ea | | | 1565 | WLS | 0.50 | 1 | -0.14 | 40 | -5.60 | |  Frith, Shane S | | | 1539 | ENG | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Finn, Daniel M | | | 1607 | ENG | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1804 | 1667 | 0.50 | 2 | -0.14 | 40 | -5.60 | |
| | Plater, Ron | | | 1866 | ENG | 0.00 | 1 | -0.24 | 40 | -9.60 | | | Collicott, Peter J | | | 1741 | ENG | 0.50 | 1 | 0.10 | 40 | 4.00 | |
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) | | | | 104th British Championships Under 1750 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1520 | 1667 | 2.50 | 4 | -0.27 | 40 | -10.80 | |
| | Stoyanov, Boris | | | 1426 | ENG | 0.00 | 1 | -0.80 | 40 | -32.00 | | | Gill, Gursharanjit S | | | 1514 | ENG | 1.00 | 1 | 0.30 | 40 | 12.00 | | | Forbes, Douglas M | | | 1583 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | | | Patel, Devan | | | 1558 | ENG | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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) | | |
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