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Individual Calculations February 2015 |
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| Van Der Sanden, Martien Total change: -1.40 | |   |
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| Tata Steel Chess Tournament 2015 - D3C | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1894 | 1.00 | 3 | -0.07 | 20 | -1.40 | |
|  De Jeu, Marcel | | | 1947 | NED | 0.00 | 1 | -0.43 | 20 | -8.60 | |  Van Duijn, Roel | | | 1998 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Ydo, Pim | | | 2063 | NED | 0.50 | 1 | 0.22 | 20 | 4.40 | |
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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