MESON Chess Problem Database

Problem Display
PID: 236902 (8/7k/7N/6K1/6P1/3n4/8/B5R1 w - - 0 1)

Dulbergs, Imants

Shakh-M (Borovich), 1989

8/7k/7N/6K1/6P1/3n4/8/B5R1

#5

5 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Rb1!
      • threat
        • 2.Rb7#
      • 1...Sc5
        • 2.Rb7+
          • 2...Sxb7
            • 3.Kh5
              • threat
                • 4.g5
                  • threat
                    • 5.g6#
        • 2.Kh5
          • threat
            • 3.Rb8
              • threat
                • 4.Rh8#
            • 3.g5
              • threat
                • 4.g6#
          • 2...Sb3
            • 3.Bc3
              • 3...Sd4
                • 4.Rb7+
                  • 4...Kh8
                    • 5.Bxd4#
              • 3...Sa5
                • 4.Rf1
                  • threat
                    • 5.Rf7#
                • 4.Rb8
                  • threat
                    • 5.Rh8#
                • 4.g5
                  • threat
                    • 5.g6#
              • 3...Sc5
                • 4.Rb8
                  • threat
                    • 5.Rh8#
                • 4.g5
                  • threat
                    • 5.g6#
            • 3.Be5
              • threat
                • 4.Rf1
                  • threat
                    • 5.Rf7#
                • 4.g5
                  • threat
                    • 5.g6#
            • 3.Bf6
              • threat
                • 4.Re1
                  • threat
                    • 5.Re7#
                • 4.g5
                  • threat
                    • 5.g6#
          • 2...Se6
            • 3.Rb7+
              • 3...Sg7+
                • 4.Rxg7+
                  • 4...Kh8
                    • 5.Sf7#
                    • 5.Ra7#
                    • 5.Rb7#
                    • 5.Rc7#
                    • 5.Rd7#
                    • 5.Re7#
                    • 5.Rf7#
          • 2...Sd7
            • 3.Rb6
              • 3...Sf6+
                • 4.Rxf6
                  • threat
                    • 5.Rf7#
                  • 4...Kg7
                    • 5.Rf7#
                  • 4...Kh8
                    • 5.Rf7#
              • 3...Sxb6
                • 4.g5
                  • threat
                    • 5.g6#
              • 3...Se5
                • 4.Rb7+
                  • 4...Kh8
                    • 5.Bxe5#
                  • 4...Sd7
                    • 5.Rxd7#
                  • 4...Sf7
                    • 5.Rxf7#
              • 3...Sc5
                • 4.Rb8
                  • threat
                    • 5.Rh8#
                • 4.g5
                  • threat
                    • 5.g6#
              • 3...Sb8
                • 4.Rb7+
                  • 4...Sd7
                    • 5.Rxd7#
                • 4.Rf6
                  • threat
                    • 5.Rf7#
                  • 4...Kg7
                    • 5.Rf7#
                  • 4...Kh8
                    • 5.Rf7#
                • 4.g5
                  • threat
                    • 5.g6#
              • 3...Sf8
                • 4.Rb7+
                  • 4...Sd7
                    • 5.Rxd7#

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