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Individual Calculations January 2012 |
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| Pettersson, Alexander Total change: -1.80 | |   |
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| e2e4 Gatwick Premier | Gatwick | ENG | 2011-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2038 | 1958 | 3.50 | 9 | -0.05 | 15 | -0.75 | |
|  Wallace, Paul | | | 2229 | IRL | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Mayhew, Andrew | | | 2058 | ENG | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Taylor, Dale C | | | 2017 | ENG | 0.50 | 1 | 0.08 | 15 | 1.20 | | | Cafolla, Peter | | | 2060 | IRL | 0.50 | 1 | 0.14 | 15 | 2.10 | | | Wood, Peter R | | | 2027 | ENG | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Maroroa, Sue | | wm | 1988 | NZL | 0.00 | 1 | -0.46 | 15 | -6.90 | | | Doyle, Hugh | | | 1902 | IRL | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Andersen, Niels Erik | | | 2018 | DEN | 1.00 | 1 | 0.58 | 15 | 8.70 | | | Lalic, Peter D | | | 2046 | ENG | 0.00 | 1 | -0.38 | 15 | -5.70 | |
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) | | | | Malta Open | Bugibba | MLT | 2011-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2103 | 1950 | 1.50 | 5 | -0.07 | 15 | -1.05 | |
| | Joie, Sebastien | | | 2249 | FRA | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Angskog, Kent | | | 2215 | SWE | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Sucher, Johannes | | | 2200 | AUT | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Schweitzer, Paul | | | 1764 | GER | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Carlsson, Ingvar | | | 2088 | SWE | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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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