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Individual Calculations February 2015 |
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| Di Bucchianico, Alessandro Total change: 2.20 | |   |
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| Tata Steel Chess Tournament 2015 - W3J | Wijk aan Zee | NED | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1978 | 2078 | 2.00 | 3 | 0.11 | 20 | 2.20 | |
|  Schoeber, Peter | | | 2055 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | |  Winsemius, Jan | | | 1865 | NED | 0.00 | 1 | -0.77 | 20 | -15.40 | | | De Geus, Gerard | | | 2013 | NED | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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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