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Individual Calculations February 2019 |
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| De Boer, Sake Jan Total change: 20.40 | |   |
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| Chess Festival Groningen 2018 - Compact C | Groningen | NED | 2018-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1422 | 1521 | 1.00 | 1 | 0.36 | 20 | 7.20 | |
|  Bruggink, Lyne | | | 1422 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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 |
| 1675 | 1519 | 3.00 | 8 | 0.66 | 20 | 13.20 | |
| | Van Der Hoek, Willem | | | 1682 | NED | 0.50 | 1 | 0.22 | 20 | 4.40 | | | Hagen, Tejo | | | 1673 | NED | 1.00 | 1 | 0.71 | 20 | 14.20 | |  Hordijk, Frank | | | 1649 | NED | 0.50 | 1 | 0.18 | 20 | 3.60 | | | Schermer, Anton | | | 1746 | NED | 1.00 | 1 | 0.79 | 20 | 15.80 | | | Langbroek, Aarnout | | | 1671 | NED | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Dekker, Wim | | | 1667 | NED | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Wolters, Dick | | | 1700 | NED | 0.00 | 1 | -0.26 | 20 | -5.20 | | | Riera Mestres, Josep | | | 1608 | ESP | 0.00 | 1 | -0.38 | 20 | -7.60 | |
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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