MESON Chess Problem Database

Problem Display
PID: 259053 (4k3/4P1p1/3PP3/p1pK1p2/pbp1N1p1/r2p4/3P2B1/8 w - - 0 1)

Postma, Bernardus

Probleemblad, 1949

4k3/4P1p1/3PP3/p1pK1p2/pbp1N1p1/r2p4/3P2B1/8

#3

7 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...fxe4
      • 2.Bxe4
        • threat
          • 3.Bg6#
        • 2...g6
          • 3.Bxg6#
    • 1...g5
      • 2.Sf6#
    • 1...g6
      • 2.Sf6#
  • Tries
    • 1.Kxc4?
      • threat
        • 2.Sf6+
          • 2...gxf6
            • 3.Bc6#
      • 1...Rc3+
        • 2.Sxc3
          • threat
            • 3.Bc6#
      • 1...Bc3
        • 2.Sf2
          • threat
            • 3.Bc6#
        • 2.Sg3
          • threat
            • 3.Bc6#
        • 2.Sxc5
          • threat
            • 3.Bc6#
        • 2.Sg5
          • threat
            • 3.Bc6#
        • 2.Sf6+
          • 2...Bxf6
            • 3.Bc6#
          • 2...gxf6
            • 3.Bc6#
      • 1...fxe4!
    • 1.Sg3?
      • threat
        • 2.Sxf5
          • threat
            • 3.Sxg7#
            • 3.d7#
      • 1...Bc3
        • 2.Kxc4
          • threat
            • 3.Bc6#
        • 2.Sxf5
          • threat
            • 3.d7#
      • 1...f4
        • 2.Sf5
          • threat
            • 3.Sxg7#
            • 3.d7#
        • 2.Be4
          • threat
            • 3.Bg6#
          • 2...g6
            • 3.Bxg6#
      • 1...g5
        • 2.Sxf5
          • threat
            • 3.Sg7#
            • 3.d7#
      • 1...g6!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Sb5
          • threat
            • 3.Sc7#
      • 1...Rxc3
        • 2.Ke5
          • threat
            • 3.Bc6#
      • 1...Bxc3
        • 2.Kxc4
          • threat
            • 3.Bc6#

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