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Individual Calculations March 2012 |
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| Van Velzen, Martin Total change: 6.90 | |   |
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| Schaakfestival Groningen 2011 Open B | Groningen | NED | 2011-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 1919 | 4.00 | 8 | -0.34 | 15 | -5.10 | |
|  Conde Chijeb, Manuel | | | 1760 | ESP | 0.50 | 1 | -0.21 | 15 | -3.15 | |  Bos, Robin | | | 1842 | NED | 0.50 | 1 | -0.11 | 15 | -1.65 | | | Mostertman, Johan | | | 1807 | NED | 0.50 | 1 | -0.15 | 15 | -2.25 | | | Mostertman, Xander | | | 1959 | NED | 0.50 | 1 | 0.06 | 15 | 0.90 | | | Vermeulen, Frans | | | 1926 | NED | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Pouw, Marcel | | | 1910 | NED | 0.00 | 1 | -0.51 | 15 | -7.65 | | | Lemstra, Bart | | | 2008 | NED | 1.00 | 1 | 0.62 | 15 | 9.30 | | | Karsdorp, Nico | | | 1881 | NED | 1.00 | 1 | 0.45 | 15 | 6.75 | |
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) | | | | Dutch Team Competition - 3A - Round 5-6 | Various | NED | 2012-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2164 | 1920 | 1.00 | 1 | 0.80 | 15 | 12.00 | |
| | Van Der Marel, Lambertus | | | 2164 | NED | 1.00 | 1 | 0.80 | 15 | 12.00 | |
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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