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Individual Calculations February 2013 |
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| Wiersma, Arno Total change: 20.70 | |   |
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| Tata Steel Chess Tournament 2013 Tienkampen 3J | Wijk aan Zee | NED | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2010 | 2035 | 5.50 | 9 | 0.69 | 30 | 20.70 | |
|  Geertsema, Piet | | | 1980 | NED | 0.50 | 1 | -0.08 | 30 | -2.40 | |  Ijzermans, Gijs | | | 1966 | NED | 0.00 | 1 | -0.60 | 30 | -18.00 | | | De Zwart, Johan | | | 2053 | NED | 0.50 | 1 | 0.03 | 30 | 0.90 | | | De Jong, Roel | | | 2046 | NED | 1.00 | 1 | 0.52 | 30 | 15.60 | | | Pijlman, Rene | | | 2010 | NED | 0.50 | 1 | -0.03 | 30 | -0.90 | | | Boelhouwer, Collin | | | 2008 | NED | 0.50 | 1 | -0.04 | 30 | -1.20 | | | Adriaanse, Tom | | | 1980 | NED | 1.00 | 1 | 0.42 | 30 | 12.60 | | | Seelemeijer, Jasper | | | 1969 | NED | 1.00 | 1 | 0.41 | 30 | 12.30 | | | Billio, Atto | | | 2081 | ITA | 0.50 | 1 | 0.06 | 30 | 1.80 | |
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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