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Individual Calculations July 2009 |
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| Bijlsma, Nick Total change: 29.55 | |   |
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| 3B - r 6-9 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2165 | 1893 | 0.50 | 1 | 0.33 | 15 | 4.95 | |
|  Polee, Hans | | | 2165 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | |
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) | | | | NKJ 2009 - C Jeugd | Venlo | NED | 2009-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1924 | 1952 | 2.50 | 4 | 0.35 | 15 | 5.25 | |
| | Cox, Jan | | | 1808 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | |  Kollen, Zyon | | | 1864 | NED | 0.00 | 1 | -0.62 | 15 | -9.30 | | | Maris, Ivo | | | 1964 | NED | 0.50 | 1 | 0.02 | 15 | 0.30 | | | Van Overdam, Julian | | | 2058 | NED | 1.00 | 1 | 0.64 | 15 | 9.60 | |
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) | | | | 3e ENCI Limburg Open 2009 | Maastricht | NED | 2009-05-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 1952 | 3.00 | 7 | 1.29 | 15 | 19.35 | |
| | Ranucci, Marcello | | | 1950 | ITA | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Doggers, Peter | | | 2279 | NED | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Pedersen, Nicolai Vesterba | m | | 2302 | DEN | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Rendboe, John | f | | 2199 | DEN | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Schut, Lisa | | | 2196 | NED | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Sprangers, Remco | c | | 2231 | NED | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Beukema, Stefan | | | 2009 | NED | 1.00 | 1 | 0.58 | 15 | 8.70 | |
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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