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Individual Calculations November 2013 |
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| Cummins, John Total change: -22.35 | |   |
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| 39th Guernsey Open | Guernsey | GCI | 2013-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1970 | 1844 | 0.50 | 6 | -1.49 | 15 | -22.35 | |
|  Bolt, Graham | | | 2026 | ENG | 0.00 | 1 | -0.26 | 15 | -3.90 | |  Casiot, David | | | 1979 | ENG | 0.00 | 1 | -0.32 | 15 | -4.80 | | | Morcom, Huw | | | 1976 | WLS | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Lewicki, Pawel | | | 1875 | POL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Burton, Ronnie | | | 1993 | ENG | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Bakker, Joop | | | 1971 | NED | 0.00 | 1 | -0.33 | 15 | -4.95 | |
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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