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Individual Calculations September 2015 |
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| Bryant, Richard B E Total change: 22.40 | |   |
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| 102nd British Chess Championships Over 65 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 1947 | 3.00 | 5 | 0.47 | 20 | 9.40 | |
|  Emerson, Roger | | | 2184 | ENG | 0.00 | 1 | -0.20 | 20 | -4.00 | |  Dean, Michael J | | | 1557 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Feavyour, John A | | | 2012 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Moore, Gillian A | | | 1831 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | | | Reuben, Stewart | c | | 2058 | ENG | 0.50 | 1 | 0.15 | 20 | 3.00 | |
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) | | | | 102nd British Chess Championships Under 180 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1947 | 2.00 | 3 | 0.15 | 20 | 3.00 | |
| | Ramdewar, Ishan | | | 1802 | ENG | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Matthews, Adrian M S | | | 1883 | ENG | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Collins, Jonathan | | | 1896 | ENG | 0.50 | 1 | -0.07 | 20 | -1.40 | |
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) | | | | 102nd British Chess Championships Over 50 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1982 | 1947 | 2.50 | 6 | -0.22 | 20 | -4.40 | |
| | Moore, Gerald | | | 2128 | ENG | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Hunt, Malcolm A | | | 2073 | ENG | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Patrick, David A | | | 1861 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Collins, Peter M | | | 2002 | ENG | 0.50 | 1 | 0.08 | 20 | 1.60 | | | Hughes, Roy | | | 2012 | ENG | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Homolka, Vincent | | | 1814 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | |
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) | | | | 102nd British Chess Championships Week 2 AM Open | Coventry | ENG | 2015-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1947 | 3.00 | 5 | 0.72 | 20 | 14.40 | |
| | House, Glenn L | f | | 2166 | ENG | 0.00 | 1 | -0.22 | 20 | -4.40 | | | French, Max | | | 1816 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | | | Howell, Chris I | | | 2044 | ENG | 1.00 | 1 | 0.63 | 20 | 12.60 | | | Snook-Lumb, Chris | | | 1664 | ENG | 1.00 | 1 | 0.16 | 20 | 3.20 | | | Crocker, Philip J | | | 2216 | ENG | 0.00 | 1 | -0.17 | 20 | -3.40 | |
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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