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Individual Calculations February 2017 |
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| De Boer, Sake Jan Total change: 6.80 | |   |
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| Chessfestival Groningen 2016 - Compact C | Groningen | NED | 2016-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1572 | 1.50 | 4 | -0.05 | 40 | -2.00 | |
|  Van Der Hagen, Stephan | | | 1642 | NED | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Roothaan, Elmar | | | 1628 | NED | 0.00 | 1 | -0.42 | 40 | -16.80 | | | Takkebos, Michiel | | | 1678 | NED | 0.50 | 1 | 0.14 | 40 | 5.60 | | | Hoecker, Horst | | | 1667 | GER | 0.00 | 1 | -0.37 | 40 | -14.80 | |
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 2017 - Tienkampen | Wijk aan Zee | NED | 2017-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1658 | 1569 | 2.50 | 6 | 0.22 | 40 | 8.80 | |
| | Duivenvoorden, Ben | | | 1682 | NED | 0.50 | 1 | 0.15 | 40 | 6.00 | | | Schrijvers, Kees | | | 1567 | NED | 0.00 | 1 | -0.50 | 40 | -20.00 | | | Folkertsma, Peter | | | 1696 | NED | 0.50 | 1 | 0.17 | 40 | 6.80 | | | Van Kuijk, Andre | | | 1667 | NED | 0.50 | 1 | 0.13 | 40 | 5.20 | | | Loos, Jeroen | | | 1724 | NED | 1.00 | 1 | 0.71 | 40 | 28.40 | | | Laan, David | | | 1614 | NED | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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