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Individual Calculations February 2015 |
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| Dudink, Bas Total change: -49.20 | |   |
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| Tata Steel Chess Tournament 2015 - W3D | Wijk aan Zee | NED | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2039 | 2009 | 0.00 | 2 | -0.91 | 40 | -36.40 | |
|  Lessmann, Francis | | | 2071 | NED | 0.00 | 1 | -0.41 | 40 | -16.40 | |  Kouwenhoven, Arjen | | | 2006 | NED | 0.00 | 1 | -0.50 | 40 | -20.00 | |
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) | | | | Tata Steel Chess Tournament 2015 - D3A | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1928 | 2009 | 1.50 | 3 | -0.32 | 40 | -12.80 | |
| | Froberg, Gert-Jan | | | 1847 | NED | 0.50 | 1 | -0.21 | 40 | -8.40 | | | Roozendaal, Marc | | | 2001 | NED | 0.50 | 1 | -0.01 | 40 | -0.40 | | | Van Der Grinten, Bas | | | 1936 | NED | 0.50 | 1 | -0.10 | 40 | -4.00 | |
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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