Trainings
95 trainings graded 1–10. Log in to track what you complete.
Calculation 3
CalculationPuzzle set
Counting captures: who wins the exchange sequence?
Count attackers and defenders, capture with the least valuable piece first, and know when the recapture costs your opponent more than it is worth.
5/10· Intermediate4 puzzles · ~10 min
CalculationLesson + quiz
How to calculate: candidate moves and the tree
A method for calculating variations: list candidate moves, examine forcing lines first, and evaluate the final position before you move.
5/10· Intermediate3 sections · ~12 min
CalculationPuzzle set
Find the only move
Defensive puzzles with exactly one saving resource: stalemate tricks, underpromotion and the opposition. Every other move loses.
6/10· Intermediate4 puzzles · ~12 min