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Individual Calculations September 2015 |
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| Kett, Tim Total change: -21.60 | |   |
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| 102nd British Chess Championships Week 1 AM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2070 | 2219 | 2.50 | 4 | -0.26 | 20 | -5.20 | |
|  Kingston, Ian | | | 1959 | ENG | 1.00 | 1 | 0.18 | 20 | 3.60 | |  Ivekovic, Tihana | | wf | 2039 | CRO | 0.50 | 1 | -0.24 | 20 | -4.80 | | | Tambini, Jasper | | | 2066 | ENG | 1.00 | 1 | 0.30 | 20 | 6.00 | | | Crocker, Philip J | | | 2216 | ENG | 0.00 | 1 | -0.50 | 20 | -10.00 | |
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 PM Open | Coventry | ENG | 2015-07-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 2219 | 4.00 | 5 | -0.36 | 20 | -7.20 | |
| | Gartside, Carl | | | 1826 | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Freeland, Alex | | | 1952 | WLS | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Matthews, Adrian M S | | | 1883 | ENG | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Walker, Samuel A | | | 1960 | ENG | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Sutton, Daniel | | | 1819 * | ENG | 1.00 | 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) | | | | 102nd British Chess Championships Over 50 | Coventry | ENG | 2015-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2045 | 2205 | 3.00 | 5 | -0.46 | 20 | -9.20 | |
| | Botham, C Paul | | | 1996 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Gostelow, David W | | | 2037 | ENG | 0.50 | 1 | -0.22 | 20 | -4.40 | | | Granat, Russell G | | | 2201 | ENG | 0.50 | 1 | -0.01 | 20 | -0.20 | | | Szymanski, Mark | | | 1823 | ENG | 1.00 | 1 | 0.09 | 20 | 1.80 | | | House, Glenn L | f | | 2166 | ENG | 0.00 | 1 | -0.55 | 20 | -11.00 | |
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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