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Individual Calculations July 2009 |
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| Tromp, Pieter Total change: 25.75 | |   |
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| NOSBO Kampioenschap 2009 | Groningen | NED | 2009-02-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 1983 | 1.50 | 3 | 1.03 | 25 | 25.75 | |
|  Hoeksema, Erik | m | | 2322 | NED | 0.00 | 1 | -0.12 | 25 | -3.00 | | | Cako, Laszlo | | | 2220 | NED | 1.00 | 1 | 0.80 | 25 | 20.00 | |  Kodentsov, Grigori | f | | 2281 | NED | 0.50 | 1 | 0.35 | 25 | 8.75 | |
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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