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Individual Calculations September 2009 |
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| Dirksen, Marieke Total change: 7.50 | |   |
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| 13e Open Côte d'Argent | Naujac sur Mer | FRA | 2009-07-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1949 | 1932 | 3.00 | 5 | 0.54 | 15 | 8.10 | |
|  Olivier, Jean | | | 1811 | FRA | 1.00 | 1 | 0.34 | 15 | 5.10 | |  Sanduleac, Vasile | g | | 2332 * | MDA | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Velten, Paul | | | 2153 | FRA | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Dubois, Marie | | | 1632 | FRA | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Nouhaud, Laurent | | | 1819 | FRA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 |
| 2004 | 1932 | 2.00 | 5 | -0.04 | 15 | -0.60 | |
| | Meurs, Tom | | | 2179 | NED | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Nicolai, Amir | | | 1837 | NED | 1.00 | 1 | 0.37 | 15 | 5.55 | | | De Ruiter, Danny | | | 2003 | NED | 0.00 | 1 | -0.40 | 15 | -6.00 | | | Bollen, Guus | | | 1880 | NED | 0.00 | 1 | -0.57 | 15 | -8.55 | | | Kabos, Tobias | | | 2122 | NED | 0.50 | 1 | 0.25 | 15 | 3.75 | |
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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