MESON Chess Problem Database

Problem Display
PID: 252192 (2R1K2n/8/p2p1p2/3k4/r3pQ1R/8/1b1PN3/3n1b2 w - - 0 1)

Postma, Bernardus

3rd Comm., Schakend Nederland, 1967

2R1K2n/8/p2p1p2/3k4/r3pQ1R/8/1b1PN3/3n1b2

#3

6 + 10

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxe4#
    • 1...Ra2
      • 2.Qxe4#
    • 1...Ra3
      • 2.Qxe4#
    • 1...Rd4
      • 2.Qf5#
    • 1...Ra5
      • 2.Qxe4#
    • 1...Bc1
      • 2.Qf5#
    • 1...Ba3
      • 2.Qf5#
    • 1...Bd4
      • 2.Qxe4#
    • 1...Sc3
      • 2.Qf5#
    • 1...e3
      • 2.d4
        • threat
          • 3.Qe4#
          • 3.Qf5#
        • 2...Ke6
          • 3.Qe4#
        • 2...f5
          • 3.Qxf5#
  • Tries
    • 1.Qg5+?
      • 1...Be5
        • 2.Qg8+
          • 2...Sf7
            • 3.Qxf7#
      • 1...f5
        • 2.Sf4+
          • 2...Kd4
            • 3.Qf6#
            • 3.Qg7#
          • 2...Ke5
            • 3.Qg7#
      • 1...fxg5!
  • Keys
    • 1.d4!
      • threat
        • 2.Qxe4#
        • 2.Qf5#
      • 1...exd4 ep
        • 2.Sd4
          • threat
            • 3.Qe4#
            • 3.Qf5#
          • 2...f5
            • 3.Qxf5#

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