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Individual Calculations April 2009 |
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| Van Oosterom, Chiel Total change: -3.50 | |   |
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| Meester - r 4-5 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2361 | 2420 | 1.00 | 2 | -0.16 | 10 | -1.60 | |
|  Fiebig, Thomas | | | 2405 | GER | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Michielsen, Joost | | | 2316 | NED | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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) | | | | Schaakfestival Groningen - Groep A | Groningen | NED | 2008-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2316 | 2428 | 5.50 | 9 | -0.19 | 10 | -1.90 | |
| | Biedekoepper, Robert | | | 2133 | GER | 1.00 | 1 | 0.15 | 10 | 1.50 | |  Van Den Doel, Erik | g | | 2570 | NED | 0.00 | 1 | -0.31 | 10 | -3.10 | | | Padurariu, Ioana-Smaranda | | wm | 2179 | ROU | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Haast, Anne | | | 2078 | NED | 1.00 | 1 | 0.11 | 10 | 1.10 | | | Hoffmann, Michael | m | | 2469 | GER | 0.00 | 1 | -0.44 | 10 | -4.40 | | | Paulet, Iozefina | | wm | 2307 | ROU | 1.00 | 1 | 0.34 | 10 | 3.40 | | | Reinderman, Dimitri | g | | 2543 | NED | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Bensdorp, Marlies | | wm | 2304 | NED | 0.50 | 1 | -0.17 | 10 | -1.70 | | | Clemens, Adrian | f | | 2261 | NED | 1.00 | 1 | 0.28 | 10 | 2.80 | |
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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