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Individual Calculations February 2013 |
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| Buis, Johan Total change: 12.75 | |   |
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| Tata Steel Chess Tournament 2013 Dag 4J | Wijk aan Zee | NED | 2013-01-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1837 | 1832 | 1.00 | 3 | -0.49 | 15 | -7.35 | |
|  Koeweiden, Bart | | | 1783 | NED | 0.50 | 1 | -0.07 | 15 | -1.05 | |  Abels, Henk | | | 1907 | NED | 0.50 | 1 | 0.10 | 15 | 1.50 | | | Van Haaften, Adriaan | | | 1820 | NED | 0.00 | 1 | -0.52 | 15 | -7.80 | |
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) | | | | Tata Steel Chess Tournament 2013 Tienkampen 4D | Wijk aan Zee | NED | 2013-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1900 | 1832 | 5.00 | 9 | 1.34 | 15 | 20.10 | |
| | Van Haaften, Adriaan | | | 1820 | NED | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Oliemans, Cor | | | 1948 | NED | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Turk, Wil | | | 1948 | NED | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Gagnepain, Laurent | | | 1809 | FRA | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Preeker, Luc | | | 1862 | NED | 0.50 | 1 | 0.04 | 15 | 0.60 | | | De Rooi, Paul | | | 1949 | NED | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Van Oudvorst, Bert | | | 1924 | NED | 1.00 | 1 | 0.63 | 15 | 9.45 | | | Van De Schootbrugge, Gabri | | | 1918 | NED | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Schoenmakers, Nico | | | 1922 | NED | 0.50 | 1 | 0.12 | 15 | 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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