MESON Chess Problem Database

Problem Display
PID: 265017 (N7/pr6/k1pN4/2p5/Kb6/8/8/Q7 w - - 0 1)

Feoktistov, Aleksandr Fedorovich

Sp. HM., SuperProblem 264. TT, 2021

N7/pr6/k1pN4/2p5/Kb6/8/8/Q7

#3

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Sc7#
    • 1...Rc7
      • 2.Qf1+
        • 2...c4
          • 3.Qxc4#
    • 1...Rd7
      • 2.Qf1+
        • 2...c4
          • 3.Qxc4#
    • 1...Rg7
      • 2.Qxg7
        • threat
          • 3.Qb7#
      • 2.Qf1+
        • 2...c4
          • 3.Qxc4#
    • 1...Rh7
      • 2.Qf1+
        • 2...c4
          • 3.Qxc4#
  • Tries
    • 1.Qh8?
      • threat
        • 2.Qc8
          • threat
            • 3.Qxb7#
      • 1...Rb5
        • 2.Sc7+
          • 2...Kb6
            • 3.Qb8#
        • 2.Qc8+
          • 2...Rb7
            • 3.Qxb7#
      • 1...Rc7
        • 2.Sxc7+
          • 2...Kb6
            • 3.Qb8#
      • 1...Rd7
        • 2.Qc8+
          • 2...Rb7
            • 3.Qxb7#
      • 1...Re7
        • 2.Qc8+
          • 2...Rb7
            • 3.Qxb7#
      • 1...Rf7
        • 2.Qc8+
          • 2...Rb7
            • 3.Qxb7#
      • 1...Rg7
        • 2.Qxg7
          • threat
            • 3.Qb7#
        • 2.Qc8+
          • 2...Rb7
            • 3.Qxb7#
      • 1...Rh7
        • 2.Qxh7
          • threat
            • 3.Qb7#
        • 2.Qc8+
          • 2...Rb7
            • 3.Qxb7#
      • 1...Rb8
        • 2.Sc7+
          • 2...Kb6
            • 3.Qxb8#
        • 2.Qxb8
          • threat
            • 3.Sc7#
            • 3.Qb7#
            • 3.Qc8#
      • 1...c4!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qxc6+
          • 2...Rb6
            • 3.Sc7#
      • 1...Rb5
        • 2.Qxc6+
          • 2...Rb6
            • 3.Sc7#
      • 1...Rc7
        • 2.Qf1+
          • 2...c4
            • 3.Qxc4#
      • 1...Rb8
        • 2.Qxc6+
          • 2...Rb6
            • 3.Sc7#
      • 1...Ba5
        • 2.Qxc6+
          • 2...Rb6
            • 3.Sc7#
          • 2...Bb6
            • 3.Qb5#
            • 3.Qxb7#

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