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Individual Calculations September 2013 |
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| Kollen, Zyon Total change: -18.90 | |   |
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| Dutch Open 2013 | Dieren | NED | 2013-07-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2183 | 2209 | 4.50 | 9 | -0.33 | 15 | -4.95 | |
|  Bollen, Guus | | | 2013 | NED | 0.50 | 1 | -0.25 | 15 | -3.75 | |  Noordkamp, Wouter | | | 2066 | NED | 0.00 | 1 | -0.69 | 15 | -10.35 | | | Monsma, Menno | | | 2100 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Majhi, Ankit | | | 2069 | NED | 1.00 | 1 | 0.31 | 15 | 4.65 | | | Van Eijk, Sander | m | | 2431 | NED | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Vos, Tjark | | | 2034 | AHO | 1.00 | 1 | 0.27 | 15 | 4.05 | | | Hendriks, Willy | m | | 2417 | NED | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Ypma, Peter | | | 2178 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Pijpers, Arthur | | | 2338 | NED | 0.00 | 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) | | | | Open Dutch Youth Championship 2013 category A | Borne | NED | 2013-08-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2209 | 3.00 | 5 | -0.93 | 15 | -13.95 | |
| | Klepke, Ricardo | | | 1999 | NED | 0.50 | 1 | -0.27 | 15 | -4.05 | | | Wenninger, Patrick | | | 1809 * | GER | 1.00 | 1 | 0.08 | 15 | 1.20 | | | De Jongh, Adriaan | | | 2215 | NED | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Bakker, Jouke | | | 1906 | NED | 1.00 | 1 | 0.14 | 15 | 2.10 | | | Zevenhuizen, Daniel | | | 1864 | NED | 0.50 | 1 | -0.39 | 15 | -5.85 | | | * 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) | | |
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