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Individual Calculations February 2020 |
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| Koopmans, Perry Total change: 22.80 | |   |
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| Tata Steel Dagvierkampen 2020 | Wijk aan Zee | NED | 2020-01-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1665 | 1590 | 1.00 | 2 | 0.21 | 20 | 4.20 | |
|  Laan, Aad | | | 1691 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | |  Goris-Schouwstra, Adry | | | 1639 | NED | 0.50 | 1 | 0.07 | 20 | 1.40 | |
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) | | | | Tata Steel Tienkampen 2020 | Wijk aan Zee | NED | 2020-01-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1643 | 1590 | 3.50 | 6 | 0.93 | 20 | 18.60 | |
| | Freeke, Kees | | | 1705 | NED | 0.00 | 1 | -0.34 | 20 | -6.80 | | | Duivenvoorden, Ben | | | 1665 | NED | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Schwarzwald, Holger | | | 1604 | GER | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Fokke, John | | | 1638 | NED | 1.00 | 1 | 0.57 | 20 | 11.40 | | | Lemkes, Herman | | | 1564 | NED | 1.00 | 1 | 0.46 | 20 | 9.20 | | | Lardenoye, Bert | | | 1680 | NED | 0.50 | 1 | 0.12 | 20 | 2.40 | |
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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