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Individual Calculations January 2012 |
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| Ahlstroem, Per Total change: 17.70 | |   |
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| Malta Open | Bugibba | MLT | 2011-11-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 1915 | 2.00 | 5 | 0.59 | 30 | 17.70 | |
|  Heberla, Bartlomiej | g | | 2315 * | POL | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Edwards, Ray B | | | 1997 | ENG | 0.50 | 1 | 0.11 | 30 | 3.30 | |  Hinchcliffe, Gary | | | 1963 | ENG | 1.00 | 1 | 0.57 | 30 | 17.10 | | | Ibrahim, Hatim | m | | 2315 * | EGY | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Vella, Duncan | | | 1964 | MLT | 0.50 | 1 | 0.07 | 30 | 2.10 | | | * 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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