Problem Display
PID: 30206 (8/4KQ1p/p7/rp2p3/2pN4/P1B1kB2/2P4p/8 w - - 0 1)

Grande, Joralf

Comm., The Problemist, 1962

8/4KQ1p/p7/rp2p3/2pN4/P1B1kB2/2P4p/8

#3

7 + 8


3747 FIDE Album (1962-1964) 1968

SOLUTION


  • SOUND
  • Sets
    • 1...h1S
      • 2.Be4
        • threat
          • 3.Qf3#
        • 2...Kxe4
          • 3.Qf3#
  • Keys
    • 1.Be1!
      • threat
        • 2.Bh1
          • threat
            • 3.Qf2#
          • 2...Kxd4
            • 3.Qf2#
      • 1...Kxd4
        • 2.Qd5+
          • 2...Ke3
            • 3.Qe4#
      • 1...Rxa3
        • 2.Qe6
          • threat
            • 3.Qxe5#
          • 2...Kxd4
            • 3.Qb6#
          • 2...Kf4
            • 3.Qh6#
          • 2...e4
            • 3.Qxe4#
      • 1...exd4
        • 2.Qf5
          • threat
            • 3.Qe4#
      • 1...h1Q
        • 2.Bxh1
          • threat
            • 3.Qf2#
          • 2...Kxd4
            • 3.Qf2#
      • 1...h1S
        • 2.Bxh1
          • threat
            • 3.Qf2#
          • 2...Kxd4
            • 3.Qf2#
      • 1...h1B
        • 2.Bxh1
          • threat
            • 3.Qf2#
          • 2...Kxd4
            • 3.Qf2#
      • 1...h1R
        • 2.Bxh1
          • threat
            • 3.Qf2#
          • 2...Kxd4
            • 3.Qf2#
      • 1...c3
        • 2.Bh1
          • threat
            • 3.Qf2#
          • 2...Kxd4
            • 3.Bf2#
      • 1...e4
        • 2.Se2
          • threat
            • 3.Qf4#
          • 2...exf3
            • 3.Qe6#

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