12 chapters/49 problems
Learn to think in Quitapon
Read an idea, try it on the board and understand why it works. Start with the rules or choose the concept you want to practise.
Red removes one blue tile
Contents
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01
Beginner
Rules, turns and your first defenses
- 01The board and the goalColors, numbers and the difference between making four and winning8 min read · 4 problems
- 02Think through the whole turnRemove first and coordinate both placements8 min read · 4 problems
- 03Recognize every lineNumeric order, diagonals and four-cell windows9 min read · 4 problems
- 04Defend without conceding the gameFind the cells that break every opposing line9 min read · 4 problems
02
Intermediate
Double threats and the geometry of winning
- 05Complete two threats togetherTurn both placements into a position that survives10 min read · 4 problems
- 06The intersection decidesCount shared defenses rather than counting threats11 min read · 4 problems
- 07Why seven are not enoughThe exact difference between a long straight and an unavoidable threat11 min read · 5 problems
- 08The resilient triangleThree crossing lines with no shared defense12 min read · 4 problems
03
Advanced
Planning, reserves and calculation
- 09Use a line to gain timeMandatory defenses and development of a second structure11 min read · 4 problems
- 10Play with the inventoryNumeric flexibility, available copies and returning tiles11 min read · 4 problems
- 11The endgame and the game’s limitExhausted reserves, victory priority and exact turn counting12 min read · 4 problems
- 12Calculate and test your plansA method for choosing moves, finding replies and reviewing mistakes14 min read · 4 problems
How to study
Try solving before asking for a hint. If you look at the solution, explain in your own words what changes after removal. Try again and take that idea into a game.
The key to winning
A single line can be broken. Build several lines without a tile whose removal destroys them all. Before attacking, check whether you must remove a specific tile to stay in the game.