MESON Chess Problem Database

Problem Display
PID: 68216 (5N2/b6N/B4P2/1RPnk1pp/1p3pP1/3R3P/1K6/2B5 w - - 0 1)

Postma, Bernardus

Chess, 1949

5N2/b6N/B4P2/1RPnk1pp/1p3pP1/3R3P/1K6/2B5

#3

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sxg5+
        • 2...Kxd3
          • 3.Rxb4#
        • 2...Ke5
          • 3.Sd7#
    • 1...Sc3
      • 2.Sd7+
        • 2...Ke4
          • 3.Rxb4#
        • 2...Ke6
          • 3.Sxg5#
    • 1...Sxf6
      • 2.Sg6+
        • 2...Ke4
          • 3.Rxb4#
        • 2...Ke6
          • 3.Sxg5#
    • 1...Sc7
      • 2.Sd7+
        • 2...Ke4
          • 3.Rxb4#
        • 2...Ke6
          • 3.Sxg5#
    • 1...Se7
      • 2.Sd7+
        • 2...Ke4
          • 3.Rxb4#
        • 2...Ke6
          • 3.Sxg5#
  • Tries
    • 1.Sg6+?
      • 1...Ke4
        • 2.Sxg5+
          • 2...Kxd3
            • 3.Rxb4#
        • 2.Rxb4+
          • 2...Sxb4
            • 3.Sxg5#
      • 1...Ke6!
    • 1.Sd7+?
      • 1...Ke4
        • 2.Sxg5+
          • 2...Kxd3
            • 3.Rxb4#
        • 2.Rxb4+
          • 2...Sxb4
            • 3.Sxg5#
      • 1...Ke6!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Rxd5+
          • 2...Ke4
            • 3.Sxg5#
      • 1...Ke4
        • 2.Rxb4+
          • 2...Kxd3
            • 3.Ba6#
          • 2...Ke5
            • 3.Rxd5#
      • 1...Sxf6
        • 2.Sg6+
          • 2...Ke6
            • 3.Sxg5#
      • 1...Sc3
        • 2.Sd7+
          • 2...Ke6
            • 3.Sxg5#
      • 1...Se3
        • 2.Sd7+
          • 2...Ke6
            • 3.Sxg5#
      • 1...Sc7
        • 2.Sd7+
          • 2...Ke6
            • 3.Sxg5#
      • 1...Se7
        • 2.Sd7+
          • 2...Ke6
            • 3.Sxg5#
      • 1...f3
        • 2.Rxd5+
          • 2...Ke4
            • 3.Sxg5#
            • 3.Rxb4#

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