"Mate in" Chess Puzzle #6

Logic Level 5

White to move.

Assuming optimal play, what is the minimum number of moves for white to checkmate the black king? Postimg.org Postimg.org https://brilliant.org/profile/chess-sgw884/sets/chess-puzzles/


The answer is 18.

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1 solution

Chess Master
Nov 6, 2017
  1. Qa4 Kc7 2. Qa7+ Rb7 3. Qa5+ Kd7 4. Qa4+ Kc7 5. Qc6+ Kb8 6. Qe8+ Kc7 7. Kc5 Rb1 8. Qf7+ Kd8 9. Qg8+ Ke7 10. Qh7+ Ke6 11. Qxb1 Ke5 12. Qe1+ Kf5 13. Kd5 Kf4 14. Ke6 Kf3 15. Kf5 Kg2 16. Kg4 Kh2 17. Kf3 Kh3 18. Qh1# 1-0

Nice and a hard problem indeed! (+1)

The Beginner - 3 years, 7 months ago

Stockfish found Mate in 17:

[Variant "From Position"] [FEN "8/1k6/1r6/3K4/1Q6/8/8/8 w - -"]

  1. Qe7+ Ka6 2. Qe8 Kb7 3. Qd7+ Kb8 4. Kc5 Ra6
  2. Qe7 Kc8 6. Kb5 Ra1 7. Qf8+ Kc7 8. Qg7+ Kd6
  3. Qxa1 Ke6 10. Qf1 Ke5 11. Qf3 Ke6 12. Qf4 Kd5
  4. Kb6 Ke6 14. Kc6 Ke7 15. Qf5 Ke8 16. Kd6 Kd8
  5. Qd7#

hm...

Francis Kong - 3 years, 7 months ago

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