MESON Chess Problem Database

Problem Display
PID: 236344 (8/2K5/6N1/3k1P2/N1ppp1R1/8/2PPPP2/3n4 w - - 0 1)

Johner, Hans

Neue Zurcher Zeitung, 1951

8/2K5/6N1/3k1P2/N1ppp1R1/8/2PPPP2/3n4

#4

9 + 5

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.f4!
      • threat
        • 2.Se7#
      • 1...exf4 ep
        • 2.e4+
          • 2...dxe4 ep
            • 3.d4
              • threat
                • 4.Sb6#
                • 4.Se7#
              • 3...cxd4 ep
                • 4.c4#
      • 1...c3
        • 2.d3
          • threat
            • 3.Se7#
          • 2...exd3
            • 3.cxd3
              • threat
                • 4.Se7#
            • 3.exd3
              • threat
                • 4.Se7#
      • 1...d3
        • 2.Se7+
          • 2...Kd4
            • 3.c3+
              • 3...Sxc3
                • 4.e3#
            • 3.e3+
              • 3...Sxe3
                • 4.c3#
        • 2.c3
          • threat
            • 3.Se7#
          • 2...Sxc3
            • 3.Se7+
              • 3...Kd4
                • 4.e3#
          • 2...e3
            • 3.Se7+
              • 3...Ke4
                • 4.Sc5#

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