Day 345: Battery
Lesson of the day
A battery stacks two long-range pieces on one line — a queen behind a bishop on a diagonal, or doubled rooks on a file. The front piece strikes with double force: capture it, and the piece behind recaptures with even more pressure. The battery is ready when both pieces already stare at one point and only the front strike is missing. Build batteries in advance on lines leading to the king — the doubling itself often breeds the combination.
Warm-up
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Core set
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Black to move — find the best continuation
Black to move — find the best continuation
Black to move — find the best continuation
Black to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Black to move — find the best continuation
White to move — find the best continuation
Black to move — find the best continuation
Challenge
White to move — find the best continuation
White to move — find the best continuation
White to move — find the best continuation
Review
White to move — find the best continuation
White to move — find the best continuation
Day complete — every puzzle solved. See you tomorrow!
Day 346 →