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Individual Calculations September 2017 |
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| Sowray, Peter J Total change: 25.40 | |   |
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| 2017 Midland Championship Open | West Bromwich | ENG | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2250 | 2297 | 4.00 | 5 | 1.27 | 20 | 25.40 | |
|  Davis, Lee | | | 1945 | WLS | 1.00 | 1 | 0.11 | 20 | 2.20 | |  Stewart, Ashley | | | 2112 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Hebden, Mark L | g | | 2477 | ENG | 0.50 | 1 | 0.24 | 20 | 4.80 | | | Carleton, John J | | | 2300 | ENG | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Arkell, Keith C | g | | 2414 | ENG | 0.50 | 1 | 0.16 | 20 | 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) | | |
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