Individual Calculations July 2010 |
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Roberts, David L Total change: -6.75 | | ![Rating chart](/imga/chart.gif) ![Personal card](/imga/card.gif) |
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Four Nations Chess League (4NCL) | Various | ENG | 2009-10-24 |
Rc | Ro | w | n | change | K | K*chg | Game |
2172 | 2110 | 2.50 | 7 | -0.45 | 15 | -6.75 | |
| Anderton, Matthew N | | | 2232 | ENG | 0.00 | 1 | -0.33 | 15 | -4.95 | | Ledger, Stephen C | | | 2106 | ENG | 1.00 | 1 | 0.49 | 15 | 7.35 | | Rogers, Jonathan W | f | | 2329 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | Shepley, Julien M | | | 2022 | ENG | 1.00 | 1 | 0.38 | 15 | 5.70 | | Rogers, Jonathan W | f | | 2329 | ENG | 0.00 | 1 | -0.22 | 15 | -3.30 | | Howell, Chris I | | | 2077 | ENG | 0.50 | 1 | -0.05 | 15 | -0.75 | | Tidman, Sophie E | | wf | 2110 | ENG | 0.00 | 1 | -0.50 | 15 | -7.50 | | 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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