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Individual Calculations February 2015 |
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| Meijer, Robbert Total change: 27.60 | |   |
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| Tata Steel Chess Tournament 2015 - W3F | Wijk aan Zee | NED | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2069 | 1908 | 0.50 | 2 | -0.07 | 40 | -2.80 | |
|  Ephraim, Olaf | | | 2072 | NED | 0.50 | 1 | 0.22 | 40 | 8.80 | |  Geerts, Alexander | | | 2066 | NED | 0.00 | 1 | -0.29 | 40 | -11.60 | |
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 - D3D | Wijk aan Zee | NED | 2015-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 1908 | 2.00 | 3 | 0.76 | 40 | 30.40 | |
| | Den Boer, Paul | | | 1983 | NED | 1.00 | 1 | 0.60 | 40 | 24.00 | | | Thynne, Trefor | | | 1923 | ENG | 0.00 | 1 | -0.48 | 40 | -19.20 | | | Van Nieuwkerk, Ton | | | 2009 | NED | 1.00 | 1 | 0.64 | 40 | 25.60 | |
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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