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Individual Calculations May 2010 |
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| De Wit, Gerard Total change: -19.45 | |   |
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| NOSBO voorjaarskampioenschap | Groningen | NED | 2010-03-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 1948 | 2.00 | 5 | -0.28 | 25 | -7.00 | |
|  Zuiderweg, Edwin | | | 2019 | NED | 0.00 | 1 | -0.40 | 25 | -10.00 | | | Romijn, Bart | | | 1881 | NED | 1.00 | 1 | 0.41 | 25 | 10.25 | |  Slagter, David | | | 2094 | NED | 0.00 | 1 | -0.30 | 25 | -7.50 | | | Vermeulen, Frans | | | 1887 | NED | 1.00 | 1 | 0.42 | 25 | 10.50 | | | Velzen, Martin Van | | | 2011 | NED | 0.00 | 1 | -0.41 | 25 | -10.25 | |
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) | | | NOTE: K factor changed | | Klasse 3A Round 7-9 - Dutch Team Competition | Various | NED | 2010-03-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 1948 | 0.00 | 2 | -0.83 | 15 | -12.45 | |
| | Wissmann, Dolf | | | 2003 | NED | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Van Der Veen, Ronald | | | 2016 | NED | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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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