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Individual Calculations March 2010 |
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| Ypma, Peter Total change: 10.65 | |   |
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| Schaakfestival Groningen 2009 Open B | Groningen | NED | 2009-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1887 | 2032 | 5.50 | 8 | 0.05 | 15 | 0.75 | |
|  Dijkstra, Maarten | | | 1905 | NED | 0.50 | 1 | -0.17 | 15 | -2.55 | |  Brandenburg, Lucia | | | 1903 | NED | 1.00 | 1 | 0.33 | 15 | 4.95 | | | Brookes, Christopher | | | 2013 | NED | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Hommes, Elmar | | | 1899 | NED | 0.00 | 1 | -0.68 | 15 | -10.20 | | | Vos, Tjark | | | 1698 | NED | 1.00 | 1 | 0.12 | 15 | 1.80 | | | Verwoert, Jef | | | 2061 | NED | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Mostertman, Johan | | | 1773 | NED | 1.00 | 1 | 0.18 | 15 | 2.70 | | | Weggen, Jeroen | | | 1847 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | |
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) | | | | Klasse 3G Round 5-6 - Dutch Team Competition | Various | NED | 2010-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2170 | 2052 | 1.00 | 1 | 0.66 | 15 | 9.90 | |
| | Timmermans, Mark | | | 2170 | NED | 1.00 | 1 | 0.66 | 15 | 9.90 | |
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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