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Individual Calculations September 2015 |
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| Surtees, Mike J Total change: 3.80 | |   |
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| 102nd British Chess Championships Over 65 | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2084 | 2149 | 3.50 | 5 | 0.56 | 20 | 11.20 | |
|  Feavyour, John A | | | 2012 | ENG | 1.00 | 1 | 0.32 | 20 | 6.40 | |  Lemoir, David A | | | 2107 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Bimpson, Tom | | | 2056 | ENG | 1.00 | 1 | 0.37 | 20 | 7.40 | | | Hutchinson, Norman A | | | 2059 | ENG | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Emerson, Roger | | | 2184 | ENG | 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) | | | | 102nd British Chess Championships Week 1 AM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1895 | 2149 | 2.00 | 3 | -0.37 | 20 | -7.40 | |
| | Foster, Timothy | | | 1749 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Klingher, Dominic | | | 1869 | ENG | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Tambini, Jasper | | | 2066 | ENG | 1.00 | 1 | 0.39 | 20 | 7.80 | | | * 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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