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Individual Calculations February 2017 |
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| Boswell, Jacob Connor Total change: 8.00 | |   |
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| Hastings 34th Weekend Congress Major | Hastings | ENG | 2016-12-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1619 | 1799 | 1.50 | 3 | -0.68 | 40 | -27.20 | |
|  Bennet-Stevens, Lucy | | | 1519 | ENG | 0.50 | 1 | -0.34 | 40 | -13.60 | |  Butt, Laurence | | | 1629 | ENG | 0.00 | 1 | -0.72 | 40 | -28.80 | | | Foley, Phil T | | | 1709 | ENG | 1.00 | 1 | 0.38 | 40 | 15.20 | |
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) | | | | Shropshire Congress 2017 Open | Telford | ENG | 2017-01-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1966 | 1799 | 1.50 | 4 | 0.37 | 40 | 14.80 | |
| | Surtees, Mike J | | | 2050 | ENG | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Davies, Peter L | | | 1976 | WLS | 0.00 | 1 | -0.27 | 40 | -10.80 | | | Rita, Joao | | | 1916 | ENG | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Davis, Lee | | | 1921 | WLS | 0.50 | 1 | 0.17 | 40 | 6.80 | |
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) | | | | 2016/17 4NCL Division 3 North Rounds 3-4 | Bolton | ENG | 2017-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1603 | 1799 | 2.00 | 2 | 0.51 | 40 | 20.40 | |
| | Raghavendra, Mahima | | | 1517 | ENG | 1.00 | 1 | 0.16 | 40 | 6.40 | | | Altham, John T | | | 1688 | ENG | 1.00 | 1 | 0.35 | 40 | 14.00 | |
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) | | |
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