MESON Chess Problem Database

Problem Display
PID: 32057 (6B1/8/n7/4K3/k7/7R/8/nQ6 w - - 0 1)

Isaryanov, Vladimir Petrovich

HM., Shakhmaty v SSSR, 1965

6B1/8/n7/4K3/k7/7R/8/nQ6

#3

4 + 3

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Ra3#
  • Tries
    • 1.Rh4+?
      • 1...Ka3
        • 2.Qa2#
        • 2.Qxa1#
        • 2.Qc1#
      • 1...Sb4
        • 2.Qxb4#
      • 1...Ka5!
    • 1.Qxa1+?
      • 1...Kb4
        • 2.Rb3+
          • 2...Kc5
            • 3.Qc3#
            • 3.Qc1#
        • 2.Qb2+
          • 2...Ka4
            • 3.Ra3#
          • 2...Ka5
            • 3.Ra3#
          • 2...Kc5
            • 3.Rc3#
      • 1...Kb5!
  • Keys
    • 1.Qb6!
      • 1...Sb3
        • 2.Rxb3
          • threat
            • 3.Qb5#
            • 3.Qxa6#
          • 2...Sb4
            • 3.Qxb4#
          • 2...Sc7
            • 3.Qb4#
      • 1...Sc2
        • 2.Ra3+
          • 2...Kxa3
            • 3.Qb3#
          • 2...Sxa3
            • 3.Bb3#
      • 1...Sb4
        • 2.Rh4
          • threat
            • 3.Qxb4#
            • 3.Qa6#
          • 2...Ka3
            • 3.Qxb4#
      • 1...Sc5
        • 2.Qxc5
          • threat
            • 3.Ra3#
            • 3.Rh4#
          • 2...Sc2
            • 3.Bb3#
          • 2...Sb3
            • 3.Bxb3#
      • 1...Sc7
        • 2.Rh4+
          • 2...Ka3
            • 3.Qb4#
      • 1...Sb8
        • 2.Rh4+
          • 2...Ka3
            • 3.Qb4#

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