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Individual Calculations January 2009 |
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| Bottema, Martin Total change: -8.75 | |   |
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| 3C - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2021 | 2110 | 1.50 | 3 | -0.35 | 25 | -8.75 | |
|  Van Prooijen, Jan-Willem | | | 2136 | NED | 0.00 | 1 | -0.46 | 25 | -11.50 | |  Rossen, Maarten | | | 1941 | NED | 0.50 | 1 | -0.22 | 25 | -5.50 | | | Van Der Velde, Wytse | | | 1987 | NED | 1.00 | 1 | 0.33 | 25 | 8.25 | |
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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