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Individual Calculations March 2012 |
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| Roozendaal, Marc Total change: 13.20 | |   |
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| Tata Steel Chess Tournament 2011 - 1A Dagvierkampen | Wijk aan Zee | NED | 2012-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1965 | 1989 | 1.50 | 2 | 0.44 | 30 | 13.20 | |
|  Tulfer, Paul | | | 1848 | NED | 1.00 | 1 | 0.31 | 30 | 9.30 | | | Dekker, Marvin | | | 2082 | AHO | 0.50 | 1 | 0.13 | 30 | 3.90 | |
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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