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Individual Calculations September 2017 |
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| Arkell, Keith C Total change: 0.90 | |   |
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| 104th British Championship | Llandudno | ENG | 2017-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2298 | 2424 | 5.50 | 9 | -0.36 | 10 | -3.60 | |
|  Pleasants, Allan J | | | 2103 | WLS | 0.50 | 1 | -0.37 | 10 | -3.70 | |  Waddington, Mike P | f | | 2070 | ENG | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Kolbus, Dietmar | m | | 2306 | GER | 0.50 | 1 | -0.16 | 10 | -1.60 | | | Horton, Jamie A | | | 2178 | ENG | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Hawkins, Jonathan | g | | 2582 | ENG | 0.00 | 1 | -0.29 | 10 | -2.90 | | | Richardson, John R | f | | 2237 | ENG | 1.00 | 1 | 0.26 | 10 | 2.60 | | | Fitzsimons, David | f | | 2352 | IRL | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Howell, David Wl | g | | 2702 | ENG | 0.00 | 1 | -0.17 | 10 | -1.70 | | | Murphy, Conor E | | | 2154 | ENG | 0.50 | 1 | -0.33 | 10 | -3.30 | |
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) | | | | 2017 Midland Championship Open | West Bromwich | ENG | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2414 | 3.50 | 4 | 0.45 | 10 | 4.50 | |
| | Savage, Nicholas W | | | 2014 * | ENG | 1.00 | 1 | 0.08 | 10 | 0.80 | | | Murphy, Conor E | | | 2164 | ENG | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Carleton, John J | | | 2300 | ENG | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Sowray, Peter J | f | | 2297 | ENG | 0.50 | 1 | -0.16 | 10 | -1.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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