O-Puzzle: Relative Elevation of Controls Which of the controls in the picture is located higher than the others in the terrain? map from a recent competition with a mass start in the city of Poznań (Poland). Organiser: OK Hades. https://www.livelox.com/Viewer/GrandPrix-2025-08-Dziewicza-Gora/Srednia3?classId=1090956&live=false&tab=player Let’s break this task down step by step. To begin, let’s mark the index contours of different elevation levels using different colors. The lowest contour in this section will be light blue . The next higher contour will be blue . The highest one here will be red . Now, let’s start determining the relative elevation of each control , beginning with the lowest — in this case it is probably the easiest way to go. The lowest control is Control 7 — it is the only one located below the light blue contour. Then we have Control 4 , Control 3 , and Control 8 , which are positioned between the light blue a...
New Feedback on the Confident Orienteering Series from a Nottinghamshire Orienteer A reader recently sent me a letter with feedback on my Confident Orienteering series. The person who sent it preferred to remain anonymous but kindly gave me permission to use their feedback in promoting the book. They also posted their reviews on the pages of the online store, where you can see them as well ( Book 1 and Book 2 ). If you’d also like to leave a review, you can do so by visiting the book’s page in the online store again. The system recognizes that you’ve already made a purchase and will allow you to leave a rating and write a review. Below is an excerpt from the reader’s letter, along with the reviews themselves. Thank you — it's truly inspiring! Hi Aleksandr, … I have drafted the following and am happy for you to use it, attributing it to "Nottinghamshire Orienteer" rather than my personal details... ..I think you've made a great contribution to orienteering l...