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Individual Calculations February 2018 |
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| Koopmans, Perry Total change: -6.80 | |   |
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| Tata Steel Tienkampen 2018 | Wijk aan Zee | NED | 2018-01-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1654 | 1641 | 3.50 | 8 | -0.34 | 20 | -6.80 | |
|  Kusse, Marcel | | | 1601 | NED | 0.00 | 1 | -0.56 | 20 | -11.20 | |  Martens, Frans | | | 1707 | NED | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Mittertreiner, Aad | | | 1741 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Fokke, John | | | 1709 | NED | 1.00 | 1 | 0.59 | 20 | 11.80 | | | Van Oostenbrugge, Gert-Jan | | | 1696 | NED | 1.00 | 1 | 0.58 | 20 | 11.60 | | | Loos, Jeroen | | | 1674 | NED | 0.50 | 1 | 0.05 | 20 | 1.00 | | | Jansen, Hans | | | 1651 | NED | 0.00 | 1 | -0.49 | 20 | -9.80 | | | Honkoop, Stella | | | 1454 | NED | 0.50 | 1 | -0.24 | 20 | -4.80 | |
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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