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Individual Calculations September 2017 |
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| Coleman, Frederick Total change: 71.20 | |   |
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| 104th British Championships Weekend Under 1825 | Llandudno | ENG | 2017-07-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1662 | 1516 | 1.00 | 2 | 0.39 | 40 | 15.60 | |
|  Shore, James R | | | 1661 | ENG | 0.50 | 1 | 0.19 | 40 | 7.60 | | | Woods, Timothy J | | | 1662 | ENG | 0.50 | 1 | 0.20 | 40 | 8.00 | |
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 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1704 | 1516 | 2.50 | 4 | 1.47 | 40 | 58.80 | |
|  Walshaw, David | | | 1691 | ENG | 0.50 | 1 | 0.23 | 40 | 9.20 | | | Collicott, Peter J | | | 1741 | ENG | 0.50 | 1 | 0.28 | 40 | 11.20 | | | Clare, Steve | | | 1729 | ENG | 1.00 | 1 | 0.77 | 40 | 30.80 | | | Pride, Stephen C | | | 1656 | ENG | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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 |
| 1678 | 1516 | 0.50 | 2 | -0.08 | 40 | -3.20 | |
| | Parfett, Gerald F | | | 1653 | ENG | 0.50 | 1 | 0.18 | 40 | 7.20 | | | O`gorman, Brendan | | | 1702 | ENG | 0.00 | 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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