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Individual Calculations June 2015 |
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| De Coverly, Roger D Total change: -3.60 | |   |
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| 4NCL 2014-15 Rounds 9-11 | Various | ENG | 2015-05-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2094 | 1996 | 1.00 | 3 | -0.11 | 20 | -2.20 | |
|  Richmond, Peter | | | 2131 | WLS | 0.50 | 1 | 0.18 | 20 | 3.60 | |  Brown, Tom | | | 2094 | WLS | 0.00 | 1 | -0.37 | 20 | -7.40 | | | Grove, Michael | | | 2057 | SCO | 0.50 | 1 | 0.08 | 20 | 1.60 | |
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) | | | | 26th Frome Congress Open | Frome, Somerset | ENG | 2015-05-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1971 | 1996 | 2.00 | 4 | -0.07 | 20 | -1.40 | |
| | Buckley, David E | | | 2285 | ENG | 0.00 | 1 | -0.16 | 20 | -3.20 | | | Holton, Jake | | | 1596 * | ENG | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Whatley, Stephen Aj (jnr) | | | 2054 | ENG | 0.00 | 1 | -0.42 | 20 | -8.40 | | | Bartlett, Simon | | | 1948 | ENG | 1.00 | 1 | 0.43 | 20 | 8.60 | | | * 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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