MESON Chess Problem Database

Problem Display
PID: 269973 (6K1/3B4/5p2/3k4/4N3/2p2Q2/8/8 w - - 0 1)

Petrasinovic, Petrasin

Schweizerische Schachzeitung, 2021

6K1/3B4/5p2/3k4/4N3/2p2Q2/8/8

#4

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Ba4!
      • threat
        • 2.Qf5+
          • 2...Kc4
            • 3.Bc2
              • threat
                • 4.Qc5#
              • 3...Kb4
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
          • 2...Kd4
            • 3.Bc2
              • threat
                • 4.Qc5#
              • 3...Ke3
                • 4.Qf2#
              • 3...Kc4
                • 4.Qc5#
      • 1...Kc4
        • 2.Qxc3+
          • 2...Kd5
            • 3.Bc6+
              • 3...Ke6
                • 4.Qxf6#
      • 1...Ke5
        • 2.Bc6
          • threat
            • 3.Qxf6#
          • 2...f5
            • 3.Qxc3+
              • 3...Kf4
                • 4.Qg3#
              • 3...Ke6
                • 4.Qf6#
      • 1...Ke6
        • 2.Qxf6+
          • 2...Kd5
            • 3.Bc6+
              • 3...Kc4
                • 4.Qxc3#
      • 1...c2
        • 2.Qf5+
          • 2...Kc4
            • 3.Bxc2
              • threat
                • 4.Qc5#
              • 3...Kb4
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
          • 2...Kd4
            • 3.Bxc2
              • threat
                • 4.Qc5#
              • 3...Ke3
                • 4.Qf2#
              • 3...Kc4
                • 4.Qc5#
      • 1...f5
        • 2.Qxf5+
          • 2...Kc4
            • 3.Bc2
              • threat
                • 4.Qc5#
              • 3...Kb4
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
          • 2...Kd4
            • 3.Bc2
              • threat
                • 4.Qc5#
              • 3...Ke3
                • 4.Qf2#
              • 3...Kc4
                • 4.Qc5#

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