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Individual Calculations September 2011 |
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| Veldhuysen, Klaas Total change: -11.55 | |   |
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| HSG Open 2011 | Hilversum | NED | 2011-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1996 | 2027 | 1.00 | 4 | -1.19 | 15 | -17.85 | |
|  Goudriaan, Etienne | f | | 2307 | NED | 0.00 | 1 | -0.16 | 15 | -2.40 | |  Vos, Tjark | | | 1819 | NED | 0.00 | 1 | -0.77 | 15 | -11.55 | | | Bettman, Jan | | | 1890 | NED | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Hoornstra, Hans | | | 1967 | NED | 0.00 | 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) | | | | Science Park Amsterdam Chess Tournament - B | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1974 | 2027 | 5.00 | 8 | 0.42 | 15 | 6.30 | |
| | Scholten, Karel | | | 1939 | NED | 1.00 | 1 | 0.38 | 15 | 5.70 | | | Nijenhuis, Wim | | | 2023 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Van Tuyl, Wim | | | 1914 | NED | 1.00 | 1 | 0.35 | 15 | 5.25 | | | De Veij, Ton | | | 1968 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Vlugt, Frans | | | 2011 | NED | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Oldenhuis, Lance | | | 1969 | NED | 0.00 | 1 | -0.58 | 15 | -8.70 | | | Pelter, Yehuda | | | 1998 | NED | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Van Den Bergh, Don | | | 1966 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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