Problem Display
PID: 28071 (2n5/1p1p3r/1bkp4/1NPN4/P1B1P3/8/KP1P4/8 w - - 0 1)

Bogdanov, Evgeny Mikhailovich

diagrammes, 1997

2n5/1p1p3r/1bkp4/1NPN4/P1B1P3/8/KP1P4/8

#4

9 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.d3!
      • threat
        • 2.Sd4+
          • 2...Kxc5
            • 3.Sb3+
              • 3...Kc6
                • 4.Bb5#
      • 1...Kxc5
        • 2.b4+
          • 2...Kc6
            • 3.Sd4+
              • 3...Bxd4
                • 4.Bb5#
      • 1...Bxc5
        • 2.Sd4+
          • 2...Bxd4
            • 3.Bb5+
              • 3...Kc5
                • 4.b4#
      • 1...dxc5
        • 2.Sb4+
          • 2...cxb4
            • 3.Bd5+
              • 3...Kc5
                • 4.d4#
      • 1...Sa7
        • 2.d4
          • threat
            • 3.Sb4#
          • 2...Bxc5
            • 3.Sxa7+
              • 3...Bxa7
                • 4.Bb5#
          • 2...dxc5
            • 3.Sb4+
              • 3...cxb4
                • 4.Bd5#
            • 3.Se7+
              • 3...Rxe7
                • 4.Bd5#
                • 4.d5#

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