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Individual Calculations September 2017 |
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| Bryant, Richard Be Total change: 29.20 | |   |
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| 104th British Championships Over 65 | Llandudno | ENG | 2017-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1878 | 1976 | 3.00 | 6 | -0.73 | 20 | -14.60 | |
|  Cresswell, Mike J | | | 1698 | ENG | 1.00 | 1 | 0.17 | 20 | 3.40 | |  Norman, Kenneth I | c | | 2114 | ENG | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Hughes, Peter | | | 1749 | ENG | 0.00 | 1 | -0.79 | 20 | -15.80 | | | Lightfoot, Malcolm J | | | 1873 | ENG | 0.50 | 1 | -0.14 | 20 | -2.80 | | | Stimpson, Philip M | | | 1937 | ENG | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Gamble, Raymond J | | | 1894 | ENG | 0.50 | 1 | -0.11 | 20 | -2.20 | |
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) | | | | 104th British Championships Morning Open | Llandudno | ENG | 2017-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2043 | 1976 | 4.50 | 5 | 2.46 | 20 | 49.20 | |
| | Davis, Holden | | | 1831 | ENG | 1.00 | 1 | 0.31 | 20 | 6.20 | | | Villiers, Thomas | | | 2122 | ENG | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Sedykh, Mikhail | | | 2090 | ENG | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Orton, Stephen La | | | 2159 | ENG | 1.00 | 1 | 0.74 | 20 | 14.80 | | | Alkhateeb, Taher | c | | 2015 | KUW | 0.50 | 1 | 0.05 | 20 | 1.00 | |
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) | | | | 2017 Midland Championship Open | West Bromwich | ENG | 2017-08-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2072 | 1997 | 1.00 | 3 | -0.21 | 20 | -4.20 | |
| | Nelson, Jonathan P | | | 2182 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Smith, Simon C | | | 1912 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Harborne, Matthew J | | | 2121 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | |
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) | | | | Leyland Chess Congress FIDE Open 2017 | Leyland | ENG | 2017-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1925 | 1997 | 3.50 | 6 | -0.06 | 20 | -1.20 | |
| | Sainsbury, Andrew | | | 1744 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Hymer, Barry | | | 1683 | ENG | 0.50 | 1 | -0.36 | 20 | -7.20 | | | McPhillips, Joseph | f | | 2397 * | ENG | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Rahulan, Thivyaa | | | 1709 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Newton, Robert A | | | 1964 | ENG | 0.50 | 1 | -0.05 | 20 | -1.00 | | | Peacock, Malcolm R | | | 2051 | ENG | 0.50 | 1 | 0.08 | 20 | 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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