MESON Chess Problem Database

Problem Display
PID: 25670 (8/8/N7/3P4/k7/8/N1P3Q1/6K1 w - - 0 1)

Grolman, Lev

The Problemist Supplement, 1996

8/8/N7/3P4/k7/8/N1P3Q1/6K1

#3

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sc7?
      • 1...Ka5
        • 2.Qf2
          • 2...Ka4
            • 3.Qa7#
        • 2.Qg6
          • 2...Ka4
            • 3.Qa6#
      • 1...Ka3!
    • 1.Qf1?
      • threat
        • 2.Sc3+
          • 2...Ka3
            • 3.Qa1#
            • 3.Qc1#
          • 2...Ka5
            • 3.Qb5#
      • 1...Ka3
        • 2.S6b4
          • 2...Kb2
            • 3.Qc1#
          • 2...Ka4
            • 3.Qa6#
        • 2.Qa1
          • 2...Ka4
            • 3.Sc3#
        • 2.Qb1
          • 2...Ka4
            • 3.Qb4#
      • 1...Ka5!
    • 1.Qf2?
      • threat
        • 2.Qb6
          • 2...Ka3
            • 3.Qb3#
      • 1...Ka5
        • 2.Sc7
          • 2...Ka4
            • 3.Qa7#
      • 1...Kb5
        • 2.Qa7
          • 2...Ka4
            • 3.Sc7#
          • 2...Kc4
            • 3.Qc5#
          • 2...Ka5
            • 3.Sc7#
      • 1...Ka3!
  • Keys
    • 1.Qg7!
      • 1...Ka3
        • 2.Qa1
          • 2...Ka4
            • 3.Sc3#
      • 1...Ka5
        • 2.Qb7
          • 2...Ka4
            • 3.Qb4#
      • 1...Kb5
        • 2.Qa7
          • 2...Ka4
            • 3.Sc7#
          • 2...Kc4
            • 3.Qc5#
          • 2...Ka5
            • 3.Sc7#

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