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Individual Calculations September 2017 |
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| Ribbands, Patrick C Total change: -104.00 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1913 | 1755 | 2.00 | 7 | -0.07 | 40 | -2.80 | |
|  Milnes, Anthony Cp | | | 2002 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Collins, Peter M | | | 1954 | ENG | 0.50 | 1 | 0.26 | 40 | 10.40 | | | Lawson, Maurice E | | | 1947 | ENG | 0.50 | 1 | 0.25 | 40 | 10.00 | | | Levens, David G | | | 1963 | ENG | 0.00 | 1 | -0.23 | 40 | -9.20 | | | Bielby, Paul R | | | 1916 | ENG | 0.50 | 1 | 0.21 | 40 | 8.40 | | | Dennis, Nigel W | | | 1785 | ENG | 0.50 | 1 | 0.04 | 40 | 1.60 | | | Tidmarsh, David A | | | 1821 | ENG | 0.00 | 1 | -0.41 | 40 | -16.40 | |
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) | | | | 104th British Championships Under 1900 | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1597 | 1755 | 1.00 | 5 | -2.53 | 40 | -101.20 | |
| | Gunn, Michael J | | | 1563 | ENG | 0.50 | 1 | -0.25 | 40 | -10.00 | | | Matthews, Graham W | | | 1610 | ENG | 0.50 | 1 | -0.19 | 40 | -7.60 | | | Sheikh, Nasarullah | | | 1646 | ENG | 0.00 | 1 | -0.65 | 40 | -26.00 | | | Horrell, Stephen A | | | 1504 | WLS | 0.00 | 1 | -0.81 | 40 | -32.40 | | | Woods, Timothy J | | | 1662 | ENG | 0.00 | 1 | -0.63 | 40 | -25.20 | |
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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