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Individual Calculations April 2018 |
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| Lawson, Robert Total change: -31.20 | |   |
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| Perth Congress 2018 Over-1500, Under-1900 | Perth | SCO | 2018-02-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1594 | 1872 | 2.50 | 4 | -0.78 | 40 | -31.20 | |
|  Tang, Liam | | | 1472 * | SCO | 1.00 | 1 | 0.08 | 40 | 3.20 | |  McKay, Jonathan | | | 1503 | SCO | 1.00 | 1 | 0.10 | 40 | 4.00 | | | Clinton, William | | | 1717 | SCO | 0.00 | 1 | -0.71 | 40 | -28.40 | | | Aitchison, A Keith | | | 1682 | SCO | 0.50 | 1 | -0.25 | 40 | -10.00 | | | * 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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