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Individual Calculations September 2017 |
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| Peters, Stephen G Total change: -23.00 | |   |
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| 53rd Berks & Bucks Chess Congress Championship | Maidenhead | ENG | 2017-08-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2073 | 2.50 | 6 | -1.15 | 20 | -23.00 | |
|  De Coverly, Roger D | | | 1954 | ENG | 1.00 | 1 | 0.34 | 20 | 6.80 | |  Stoyanov, Viktor | | | 1958 | ENG | 0.00 | 1 | -0.66 | 20 | -13.20 | | | Hackett, Dave G | | | 2141 | ENG | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Shakespeare, John S | | | 1930 | WLS | 0.50 | 1 | -0.19 | 20 | -3.80 | | | Horton, Justin | | | 2030 | ENG | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Cole, James | | | 1950 | ENG | 0.50 | 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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