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Individual Calculations September 2011 |
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| De Leur, Ben Total change: 5.10 | |   |
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| Science Park Amsterdam Chess Tournament - B | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1997 | 2013 | 4.00 | 7 | 0.34 | 15 | 5.10 | |
|  Hazenberg, Frans | | | 1966 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Geertsema, Piet | | | 1973 | NED | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Pijlman, Rene | | | 1954 | NED | 0.50 | 1 | -0.08 | 15 | -1.20 | | | Roggeveen, Wouter | | | 2000 | NED | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Van Osch, Mees | | | 2006 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Van Den Hoogen, Arie | | | 1981 | NED | 0.50 | 1 | -0.04 | 15 | -0.60 | | | Van Engen, Herman | | | 2098 | NED | 1.00 | 1 | 0.62 | 15 | 9.30 | |
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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