MESON Chess Problem Database

Problem Display
PID: 270623 (4B2K/8/2P5/P4p1P/3k4/N7/Q4P2/7N w - - 0 1)

Petrasinovic, Petrasin

The Problemist Supplement, 2023

4B2K/8/2P5/P4p1P/3k4/N7/Q4P2/7N

#4

9 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Bf7!
      • threat
        • 2.Qd2+
          • 2...Kc5
            • 3.c7
              • threat
                • 4.c8Q#
                • 4.c8R#
              • 3...Kc6
                • 4.c8Q#
          • 2...Ke5
            • 3.Kg7
              • 3...Ke4
                • 4.Qe3#
              • 3...f4
                • 4.Qd5#
      • 1...Kc3
        • 2.Qb3+
          • 2...Kd2
            • 3.Qe3+
              • 3...Kd1
                • 4.Bb3#
      • 1...Kd3
        • 2.Sb5
          • threat
            • 3.Sg3
              • 3...f4
                • 4.Bc4#
                • 4.Bg6#
                • 4.Qe2#
          • 2...Ke4
            • 3.Qc4+
              • 3...Kf3
                • 4.Bd5#
              • 3...Ke5
                • 4.Qd4#
      • 1...Ke4
        • 2.Qe2+
          • 2...Kf4
            • 3.Qe3+
              • 3...Kg4
                • 4.Qg3#
      • 1...Kc5
        • 2.Qd5+
          • 2...Kb4
            • 3.Qc4+
              • 3...Kxa3
                • 4.Qb3#
              • 3...Kxa5
                • 4.Qb5#
      • 1...Ke5
        • 2.Qe6+
          • 2...Kf4
            • 3.Qe3+
              • 3...Kg4
                • 4.Qg3#

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