MESON Chess Problem Database

Problem Display
PID: 233075 (8/K7/2N5/8/4kBQ1/1p4p1/8/8 w - - 0 1)

af Hallstrom, Edvard Johannes Gabriel

Chess Review, 1939

8/K7/2N5/8/4kBQ1/1p4p1/8/8

#4

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Bxg3+
          • 2...Ke3
            • 3.Qd1
              • threat
                • 4.Qd3#
              • 3...Ke4
                • 4.Qd3#
        • 2.Bg5+
          • 2...Ke5
            • 3.Qd7
              • threat
                • 4.Qd5#
              • 3...Ke4
                • 4.Qd5#
      • 1...Kd4
        • 2.Qf5
          • threat
            • 3.Qd3+
              • 3...Kc5
                • 4.Bd6#
            • 3.Bd2
              • threat
                • 4.Qd5#
              • 3...Kc4
                • 4.Qd5#
          • 2...Kc3
            • 3.Qc5+
              • 3...Kb2
                • 4.Qc1#
          • 2...Kc4
            • 3.Bd2
              • threat
                • 4.Qd5#
              • 3...Kd4
                • 4.Qd5#
        • 2.Qh5
          • threat
            • 3.Bd2
              • threat
                • 4.Qd5#
              • 3...Kc4
                • 4.Qd5#
              • 3...Ke4
                • 4.Qd5#
          • 2...Kc3
            • 3.Qc5+
              • 3...Kb2
                • 4.Qc1#
          • 2...Kc4
            • 3.Bd2
              • threat
                • 4.Qd5#
              • 3...Kd4
                • 4.Qd5#
          • 2...Ke4
            • 3.Bd2
              • threat
                • 4.Qd5#
              • 3...Kd4
                • 4.Qd5#
      • 1...g2
        • 2.Bg3+
          • 2...Ke3
            • 3.Qd1
              • threat
                • 4.Qd3#
              • 3...Ke4
                • 4.Qd3#

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