MESON Chess Problem Database

Problem Display
PID: 230843 (nR6/8/8/4p3/k7/3b4/pP1K3Q/8 w - - 0 1)

Grande, Joralf

Stella Polaris, 1968

nR6/8/8/4p3/k7/3b4/pP1K3Q/8

#3

4 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Qh4+?
      • 1...Ka5
        • 2.Qb4+
          • 2...Ka6
            • 3.Rxa8#
            • 3.Qa3#
            • 3.Qa4#
      • 1...Bc4
        • 2.Qxc4+
          • 2...Ka5
            • 3.Qxa2#
            • 3.Qb5#
      • 1...Be4
        • 2.Qxe4+
          • 2...Ka5
            • 3.Qxa8#
      • 1...e4!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qa7+
          • 2...Ba6
            • 3.Qxa6#
      • 1...Ka5
        • 2.Qc5+
          • 2...Ka4
            • 3.Rb4#
            • 3.Qa3#
            • 3.Qb4#
            • 3.b3#
          • 2...Ka6
            • 3.Qa3#
          • 2...Bb5
            • 3.Rxa8#
            • 3.Qxb5#
      • 1...Bb5
        • 2.Qc5
          • threat
            • 3.Qa3#
            • 3.Qxb5#
          • 2...Kb3
            • 3.Qxb5#
          • 2...Ka5
            • 3.Rxa8#
            • 3.Qxb5#
      • 1...Sb6
        • 2.Qxb6
          • threat
            • 3.Qb4#
          • 2...Bb5
            • 3.Qxb5#
      • 1...Bf1
        • 2.Qa7+
          • 2...Ba6
            • 3.Qxa6#
      • 1...Be2
        • 2.Qa7+
          • 2...Ba6
            • 3.Qxa6#
      • 1...Bc4
        • 2.Qa7+
          • 2...Ba6
            • 3.Qxa6#
      • 1...Ba6
        • 2.Qd1+
          • 2...Ka5
            • 3.b4#
      • 1...Sc7
        • 2.b3+
          • 2...Ka3
            • 3.Qc1#
          • 2...Ka5
            • 3.Qb6#

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