Puzzle: Santas Fachkräftemangel December 19, 2025Santa Claus needs help. While the demand for presents is at an all-time high - 2 billion children - he is struggling with Fachkräftemangel (lack of skilled labor), especially a...
Puzzle: The Big City Christmas Tree Countdown December 18, 2025Attention, Revenue Mavericks in DS City! The clock is ticking in the concrete jungle, and we have 10,000 precious, pine-scented assets to sell before Christmas! This isn't just about maximizing...
Puzzle: Exponentials December 10, 2025Members of a field named "mathematical optimization" ought to be able to solve this in a flash. About 6.578 is the maximum. This is achieved when y = log(5)/log(2) =...
Puzzle: Textbook Optimization December 1, 2025Let us go back to everyone's comfort zone and do some straight math this week. No probabilities, just a deterministic problem with three variables. This cannot possibly be hard. Can...
Puzzle: Moneyball November 20, 2025Wobbleknock is the latest fad in DS City. It is played with two teams of four players each who aim to score points against each other. The City Shakes have...
Puzzle: When Decision Science Refuses to Decide October 30, 2025In response to a previous puzzle, we received this comment: Some time ago, UPS built a model to determine how many planes they would need to handle their overnight network....