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Individual Calculations February 2018 |
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| Seip, Theo Total change: 9.80 | |   |
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| Tata Steel Weekendvierkampen 2018 | Wijk aan Zee | NED | 2018-01-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1768 | 1677 | 1.00 | 2 | 0.25 | 20 | 5.00 | |
|  Van Den Bergh, Gerard | | | 1788 | NED | 0.50 | 1 | 0.15 | 20 | 3.00 | |  De Boer, Ruurd | | | 1747 | NED | 0.50 | 1 | 0.10 | 20 | 2.00 | |
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 Dagvierkampen 2018 | Wijk aan Zee | NED | 2018-01-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1764 | 1677 | 1.00 | 2 | 0.24 | 20 | 4.80 | |
| | Van T Hoff, Kees | | | 1800 | NED | 0.00 | 1 | -0.33 | 20 | -6.60 | | | Londers, Jan | | | 1728 | BEL | 1.00 | 1 | 0.57 | 20 | 11.40 | |
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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