MESON Chess Problem Database

Problem Display
PID: 255499 (7k/b7/1pp1N1RB/r4p2/2n5/8/8/n4K2 w - - 0 1)

Gulyaev, Aleksandr Pavlovich (aka Grin, AP)

3rd HM., UV CSTV, 1970

7k/b7/1pp1N1RB/r4p2/2n5/8/8/n4K2

#4

4 + 8

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sf7+
          • 2...Kh7
            • 3.Rg7#
      • 1...Sd2+
        • 2.Kg2
          • threat
            • 3.Sf7+
              • 3...Kh7
                • 4.Rg7#
            • 3.Rf6
              • threat
                • 4.Rf8#
              • 3...Kg8
                • 4.Rf8#
            • 3.Rg7
              • threat
                • 4.Sf7#
      • 1...Se3+
        • 2.Kg1
          • threat
            • 3.Sf7+
              • 3...Kh7
                • 4.Rg7#
            • 3.Rf6
              • threat
                • 4.Rf8#
              • 3...Kg8
                • 4.Rf8#
            • 3.Rg7
              • threat
                • 4.Sf7#
      • 1...Se5
        • 2.Re6
          • threat
            • 3.Re8#
          • 2...Sg6
            • 3.Re8+
              • 3...Sf8
                • 4.Rxf8#
          • 2...Sd7
            • 3.Re8+
              • 3...Sf8
                • 4.Rxf8#
      • 1...Sd6
        • 2.Rf6
          • threat
            • 3.Rf8#
          • 2...Sf7
            • 3.Rxf7
              • threat
                • 4.Rf8#
              • 3...Kg8
                • 4.Rf8#

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