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Individual Calculations September 2009 |
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| Gielen, Wim Total change: -1.75 | |   |
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| Dutch Open - Reserve A | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1917 | 2.00 | 5 | -0.07 | 25 | -1.75 | |
|  Veltman, Anne | | | 2020 | NED | 1.00 | 1 | 0.64 | 25 | 16.00 | |  Evengroen, Jan | | | 1924 | NED | 0.50 | 1 | 0.01 | 25 | 0.25 | | | Kollen, Zyon | | | 1900 | NED | 0.00 | 1 | -0.52 | 25 | -13.00 | | | Stap, Kees | | | 2093 | NED | 0.00 | 1 | -0.27 | 25 | -6.75 | | | Maris, Ivo | | | 1967 | NED | 0.50 | 1 | 0.07 | 25 | 1.75 | |
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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