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Individual Calculations September 2009 |
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| De Ruiter, Danny Total change: 54.45 | |   |
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| Dutch Open | Dieren | NED | 2009-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2274 | 2003 | 4.50 | 9 | 2.94 | 15 | 44.10 | |
|  Diepeveen, Vincent | f | | 2273 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | |  Vogel, Jaap | f | | 2237 | NED | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Kodentsov, Grigori | f | | 2279 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | | | Sprangers, Remco | c | | 2222 | NED | 1.00 | 1 | 0.78 | 15 | 11.70 | | | Hoeksema, Erik | m | | 2309 | NED | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Van Der Poel, Henk | f | | 2282 | NED | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Padmini, Rout | | wm | 2243 | IND | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Overeem, Marc | f | | 2303 | NED | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Motoc, Alina | | wg | 2315 | ROU | 0.00 | 1 | -0.14 | 15 | -2.10 | |
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) | | | | University of Twente Open Dutch Youth Chess Championship 2009 | Enschede | NED | 2009-08-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2003 | 4.00 | 7 | 0.69 | 15 | 10.35 | |
| | Vereggen, Lars | | | 1936 | NED | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Dirksen, Marieke | | | 1932 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Ten Vergert, Paul | | | 2025 | NED | 0.50 | 1 | 0.03 | 15 | 0.45 | | | Blom, Vincent | | | 2137 | NED | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Kampman, Tijmen | | | 2023 | NED | 1.00 | 1 | 0.53 | 15 | 7.95 | | | De Wilde, Rik | | | 1919 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | De Groote, Ewoud | | | 2206 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | |
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