MESON Chess Problem Database

Problem Display
PID: 266130 (8/K4Qp1/1PppP1p1/4p1B1/4k3/N2pN3/7P/8 w - - 0 1)

Petrasinovic, Petrasin

Schweizerische Schachzeitung, 2017

8/K4Qp1/1PppP1p1/4p1B1/4k3/N2pN3/7P/8

#4

8 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qd1
          • threat
            • 3.Qg4#
          • 2...Kd4
            • 3.Qa4+
              • 3...Kc3
                • 4.Sd1#
              • 3...Kc5
                • 4.Qc4#
          • 2...d2
            • 3.Qg4+
              • 3...Kd3
                • 4.Qc4#
      • 1...Kd4
        • 2.Sac2+
          • 2...Kc3
            • 3.Qa1+
              • 3...Kd2
                • 4.Qe1#
              • 3...Kb3
                • 4.Qa3#
          • 2...Kc5
            • 3.Qxd3
              • threat
                • 4.Qc4#
              • 3...d5
                • 4.Be7#
      • 1...d2
        • 2.Qb1+
          • 2...Kf3
            • 3.Qh1+
              • 3...Ke2
                • 4.Qf1#
              • 3...Kf2
                • 4.Qf1#
          • 2...Kd4
            • 3.Qb4+
              • 3...Kd3
                • 4.Qc4#
      • 1...d5
        • 2.Qb1
          • 2...Kf3
            • 3.Qd1+
              • 3...Kf2
                • 4.Qf1#
              • 3...Ke4
                • 4.Qg4#
          • 2...c5
            • 3.Qh1+
              • 3...Kd4
                • 4.Sb5#

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