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Individual Calculations February 2019 |
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| Van Haaften, Adriaan Total change: -41.20 | |   |
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| Curacao National Chess Championship 2018 | Willemstad | AHO | 2018-11-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1746 | 1587 | 0.00 | 4 | -1.32 | 20 | -26.40 | |
|  Bemmelen Van, Ursus | f | | 1987 * | AHO | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Salim-Moussa, Seydi | | wc | 1543 | AHO | 0.00 | 1 | -0.56 | 20 | -11.20 | |  Roose, Alex | | | 1897 | AHO | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Sanchez, Mariana | | | 1555 | AHO | 0.00 | 1 | -0.54 | 20 | -10.80 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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 2018 - Tienkampen | Wijk aan Zee | NED | 2019-01-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1552 | 1587 | 2.00 | 5 | -0.74 | 20 | -14.80 | |
| | T Mannetje, Simone | | | 1587 | NED | 1.00 | 1 | 0.50 | 20 | 10.00 | | | Rogge, Marloes | | | 1513 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | | | De Wit, Bob | | | 1564 | NED | 0.00 | 1 | -0.53 | 20 | -10.60 | | | Oxener, Aldo | | | 1576 | NED | 0.00 | 1 | -0.52 | 20 | -10.40 | | | Van Dijk, Menno | | | 1521 | NED | 0.00 | 1 | -0.59 | 20 | -11.80 | |
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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