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Individual Calculations January 2009 |
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| Van Der Veen, Jan Total change: 15.15 | |   |
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| 2A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2233 | 2114 | 1.00 | 2 | 0.32 | 15 | 4.80 | |
|  Baljon, Christofoor | | | 2211 | NED | 0.50 | 1 | 0.13 | 15 | 1.95 | |  Wilde, Pierre | | | 2255 | GER | 0.50 | 1 | 0.19 | 15 | 2.85 | |
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) | | | | Essent Open | Hoogeveen | NED | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2264 | 2114 | 3.50 | 9 | 0.69 | 15 | 10.35 | |
| | Slingerland, Fred | f | | 2373 | NED | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Van Der Elburg, Freddie | | | 2269 | NED | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Humphrey, Jonathan | f | | 2330 | AUS | 0.50 | 1 | 0.28 | 15 | 4.20 | | | Prasanna, Rao | f | | 2310 | IND | 0.00 | 1 | -0.25 | 15 | -3.75 | | | Rademakers, Evert | | | 2151 | NED | 1.00 | 1 | 0.55 | 15 | 8.25 | | | Cako, Laszlo | | | 2234 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Tate, Alan | | | 2144 | SCO | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Pruijssers, Roeland | m | | 2459 | NED | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Haitsma, Anne | | | 2107 | NED | 0.50 | 1 | -0.01 | 15 | -0.15 | |
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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