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Individual Calculations September 2018 |
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| Surtees, Mike J Total change: -49.80 | |   |
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| 105th British Championships Over 65 | Hull | ENG | 2018-07-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1935 | 2146 | 5.00 | 7 | -0.35 | 20 | -7.00 | |
|  Levens, David G | | | 1909 | ENG | 0.00 | 1 | -0.80 | 20 | -16.00 | |  Tidmarsh, David A | | | 1818 | ENG | 1.00 | 1 | 0.13 | 20 | 2.60 | | | Gregg, Alan M | | | 1960 | ENG | 1.00 | 1 | 0.26 | 20 | 5.20 | | | Moore, Geoffrey R | | | 1980 | ENG | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Brown, Geoffrey M | | | 1897 | ENG | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Valentine, Brian J | | | 1935 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Hutchinson, Norman A | | | 2045 | ENG | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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) | | | | 105th British Championships Morning Open | Hull | ENG | 2018-07-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1901 | 2146 | 4.00 | 5 | 0.13 | 20 | 2.60 | |
| | Evans, Nicholas Thomas | | | 1885 | WLS | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Wells, Jonathan C | | | 1955 | ENG | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Rushbrooke, Tibo | | | 1746 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | See, Tristian | | | 1746 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Villiers, Thomas | c | | 2173 | ENG | 0.00 | 1 | -0.46 | 20 | -9.20 | | | * 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) | | | | 12th Leyland Chess Congress | Leyland | ENG | 2018-08-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1831 | 2146 | 2.00 | 5 | -2.27 | 20 | -45.40 | |
| | Kay, Lee P | | | 1940 | ENG | 0.00 | 1 | -0.76 | 20 | -15.20 | | | Bourne, Johnathan D | | | 1922 | ENG | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Hilton, Tim | | | 1769 | ENG | 0.50 | 1 | -0.41 | 20 | -8.20 | | | Raghavendra, Mahima | | | 1746 * | ENG | 0.50 | 1 | -0.42 | 20 | -8.40 | | | Taylor, Mark | | | 1776 | ENG | 1.00 | 1 | 0.10 | 20 | 2.00 | | | * 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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