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Individual Calculations February 2015 |
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| Geertsema, Piet Total change: 27.60 | |   |
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| Tata Steel Chess Tournament 2015 - W4SU | Wijk aan Zee | NED | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1860 | 1953 | 1.00 | 2 | -0.24 | 20 | -4.80 | |
|  Littel, Leo | | | 1936 | NED | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Van Leen, Guido | | | 1783 | NED | 0.00 | 1 | -0.72 | 20 | -14.40 | |
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) | | | | Tata Steel Chess Tournament 2015 - T3F | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 1953 | 5.50 | 9 | 1.62 | 20 | 32.40 | |
|  Freer, Glenn | | | 1910 | NED | 0.00 | 1 | -0.56 | 20 | -11.20 | | | Smit, Frans | | | 2107 | NED | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Hummel, Joop | | | 1968 | NED | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Gutkind, Kedem | | | 2016 | NED | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Lupulescu, Adrian-Calin | | | 2022 | ROU | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Taylor, Frank | | | 1974 | NED | 0.50 | 1 | 0.03 | 20 | 0.60 | | | Bottenberg, Frans | | | 2073 | NED | 1.00 | 1 | 0.66 | 20 | 13.20 | | | Duin, Ritchy | | | 1910 | NED | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Morice, Ludovic | | | 2046 | FRA | 0.00 | 1 | -0.37 | 20 | -7.40 | |
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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