Problem Display
PID: 184422 (7K/8/8/4p3/4Nk2/5P1Q/8/8 w - - 0 1)

Tanner, Eino V

British Chess Magazine, 1916

7K/8/8/4p3/4Nk2/5P1Q/8/8

#4

4 + 2


SOLUTION


  • COOKED
  • Keys
    • 1.Qf1!
      • 1...Ke3
        • 2.Qd1
          • 2...Kf4
            • 3.Qb3
              • 3...Kf5
                • 4.Qf7#
      • 1...Kf5
        • 2.Qc4
          • threat
            • 3.Qf7#
          • 2...Kf4
            • 3.Qb3
              • 3...Kf5
                • 4.Qf7#
          • 2...Kg6
            • 3.Qg8+
              • 3...Kf5
                • 4.Qf7#
                • 4.Qg4#
              • 3...Kh5
                • 4.Qh7#
                • 4.Qg5#
              • 3...Kh6
                • 4.Qh7#
                • 4.Qg5#
            • 3.Qc7
              • threat
                • 4.Qh7#
              • 3...Kf5
                • 4.Qf7#
              • 3...Kh5
                • 4.Qh7#
              • 3...Kh6
                • 4.Qh7#
        • 2.Qb5
          • 2...Kf4
            • 3.Qb3
              • 3...Kf5
                • 4.Qf7#
          • 2...Ke6
            • 3.Qb7
              • 3...Kf5
                • 4.Qf7#
          • 2...Kg6
            • 3.Qd7
              • threat
                • 4.Qh7#
              • 3...Kh5
                • 4.Qh7#
              • 3...Kh6
                • 4.Qh7#
            • 3.Qb7
              • threat
                • 4.Qh7#
              • 3...Kf5
                • 4.Qf7#
              • 3...Kh5
                • 4.Qh7#
              • 3...Kh6
                • 4.Qh7#
        • 2.Qb1
          • 2...Kf4
            • 3.Qb3
              • 3...Kf5
                • 4.Qf7#
          • 2...Ke6
            • 3.Qb7
              • 3...Kf5
                • 4.Qf7#
          • 2...Kg6
            • 3.Qb7
              • threat
                • 4.Qh7#
              • 3...Kf5
                • 4.Qf7#
              • 3...Kh5
                • 4.Qh7#
              • 3...Kh6
                • 4.Qh7#
    • 1.Qh1!
      • 1...Ke3
        • 2.Qd1
          • 2...Kf4
            • 3.Qb3
              • 3...Kf5
                • 4.Qf7#
      • 1...Kf5
        • 2.Qb1
          • 2...Kf4
            • 3.Qb3
              • 3...Kf5
                • 4.Qf7#
          • 2...Ke6
            • 3.Qb7
              • 3...Kf5
                • 4.Qf7#
          • 2...Kg6
            • 3.Qb7
              • threat
                • 4.Qh7#
              • 3...Kf5
                • 4.Qf7#
              • 3...Kh5
                • 4.Qh7#
              • 3...Kh6
                • 4.Qh7#

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