MESON Chess Problem Database

Problem Display
PID: 268814 (8/8/3P4/Q2N4/4k2B/2P5/8/K7 w - - 0 1)

Petrasinovic, Petrasin

Sp. Prize, Vecherni Petersburg, 2019

(First published on Fri Aug 30 2019)

8/8/3P4/Q2N4/4k2B/2P5/8/K7

#4

6 + 1

SOLUTION

  • SOUND
  • Keys
    • 1.Bg5!
      • 1...Kd3
        • 2.Qa2
          • 2...Ke4
            • 3.Se3
              • threat
                • 4.Qd5#
              • 3...Kd3
                • 4.Qc2#
              • 3...Kf3
                • 4.Qg2#
              • 3...Ke5
                • 4.Qd5#
      • 1...Kf3
        • 2.Se3
          • threat
            • 3.Qa2
              • threat
                • 4.Qg2#
              • 3...Kg3
                • 4.Qg2#
              • 3...Ke4
                • 4.Qd5#
          • 2...Ke2
            • 3.Qa2+
              • 3...Ke1
                • 4.Bh4#
              • 3...Kd3
                • 4.Qc2#
              • 3...Kf3
                • 4.Qg2#
          • 2...Kf2
            • 3.Qa2+
              • 3...Ke1
                • 4.Bh4#
              • 3...Kg1
                • 4.Qg2#
              • 3...Kf3
                • 4.Qg2#
              • 3...Kg3
                • 4.Qg2#
          • 2...Kg3
            • 3.Qa2
              • threat
                • 4.Qg2#
              • 3...Kf3
                • 4.Qg2#
              • 3...Kh3
                • 4.Qg2#
      • 1...Ke5
        • 2.Sb6+
          • 2...Kxd6
            • 3.Bd8
              • threat
                • 4.Qd5#
              • 3...Kc6
                • 4.Qd5#
              • 3...Ke6
                • 4.Qd5#
      • 1...Kf5
        • 2.Sf6+
          • 2...Kg6
            • 3.Qd5
              • 3...Kg7
                • 4.Qg8#

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