Problem Display
PID: 132725 (Kn1B4/1np1P1p1/3PP2P/4k3/5N2/2P1NPP1/8/5b1r w - - 0 1)

Berger, Johann Nepomuk

Leipziger Illustrierte Zeitung, 1905

Kn1B4/1np1P1p1/3PP2P/4k3/5N2/2P1NPP1/8/5b1r

#4

11 + 7


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Keys
    • 1.e8S!
      • threat
        • 2.Sg4+
          • 2...Kf5
            • 3.Sxg7#
      • 1...Sxd8
        • 2.dxc7
          • threat
            • 3.cxb8Q#
            • 3.cxb8B#
          • 2...Sa6
            • 3.cxd8Q
              • threat
                • 4.Qg5#
                • 4.Qd4#
                • 4.Qd5#
                • 4.Qd6#
              • 3...Sc7+
                • 4.Qxc7#
          • 2...Sbc6
            • 3.c8Q
              • threat
                • 4.Sg6#
                • 4.Qc7#
          • 2...Sd7
            • 3.Sg6+
              • 3...Kxe6
                • 4.cxd8S#
          • 2...Sdc6
            • 3.c8Q
              • threat
                • 4.Sg6#
                • 4.Qc7#
          • 2...Sb7
            • 3.cxb8Q+
              • 3...Sd6
                • 4.Qxd6#
            • 3.cxb8B+
              • 3...Sd6
                • 4.Bxd6#
          • 2...Sf7
            • 3.cxb8Q+
              • 3...Sd6
                • 4.Qxd6#
            • 3.cxb8B+
              • 3...Sd6
                • 4.Bxd6#
      • 1...Rh4
        • 2.Bxh4
          • threat
            • 3.Sg4+
              • 3...Kf5
                • 4.Sxg7#
          • 2...Bh3
            • 3.Sc4+
              • 3...Kf5
                • 4.Sxg7#
          • 2...g5
            • 3.Sg4+
              • 3...Kf5
                • 4.Sg7#

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