MESON Chess Problem Database

Problem Display
PID: 14636 (6Kn/1pp5/1qp1B3/7p/3R4/1p1N4/1P5R/3k4 w - - 0 1)

Matthews, Robin CO

The Observer, 1951

(First published on Sun May 20 1951)

6Kn/1pp5/1qp1B3/7p/3R4/1p1N4/1P5R/3k4

#3

6 + 8

3105 FIDE Album (1945-1955) 1964
14609 Mostly Three=Movers 1995
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd4
      • 2.Bxb3#
    • 1...Qa5
      • 2.Bxb3#
    • 1...Qc5
      • 2.Bxb3+
        • 2...Qc2
          • 3.Bxc2#
    • 1...Qa7
      • 2.Bxb3#
    • 1...Qb4
      • 2.Rxb4
        • threat
          • 3.Bxb3#
    • 1...Qa6
      • 2.Bxb3#
    • 1...h4
      • 2.Bg4#
  • Tries
    • 1.Ra4?
      • threat
        • 2.Ra1#
      • 1...Qf2
        • 2.Rxf2
          • threat
            • 3.Bxb3#
            • 3.Ra1#
      • 1...Qc5
        • 2.Sxc5
          • threat
            • 3.Ra1#
          • 2...Kc1
            • 3.Ra1#
          • 2...Ke1
            • 3.Ra1#
        • 2.Bxb3+
          • 2...Qc2
            • 3.Bxc2#
            • 3.Ra1#
        • 2.Ra1+
          • 2...Qc1
            • 3.Bxb3#
            • 3.Rxc1#
      • 1...Qg1+!
    • 1.Re4?
      • threat
        • 2.Re1#
      • 1...Qf2
        • 2.Rxf2
          • threat
            • 3.Bxb3#
            • 3.Re1#
      • 1...Qb4
        • 2.Re1+
          • 2...Qxe1
            • 3.Bxb3#
        • 2.Rxb4
          • threat
            • 3.Bxb3#
      • 1...Qg1+!
    • 1.Rf4?
      • threat
        • 2.Rf1#
      • 1...Qf2
        • 2.Rhxf2
          • threat
            • 3.Bxb3#
        • 2.Rfxf2
          • threat
            • 3.Bxb3#
            • 3.Rf1#
            • 3.Rd2#
            • 3.Rh1#
      • 1...Qb4
        • 2.Rf1+
          • 2...Qe1
            • 3.Bxb3#
            • 3.Rxe1#
        • 2.Rxb4
          • threat
            • 3.Bxb3#
      • 1...Qg1+!
  • Keys
    • 1.Rg4!
      • 1...Qf2
        • 2.Rxf2
          • threat
            • 3.Bxb3#
            • 3.Rg1#
      • 1...Qc5
        • 2.Bxb3+
          • 2...Qc2
            • 3.Bxc2#
            • 3.Rg1#
      • 1...Qb4
        • 2.Rg1+
          • 2...Qe1
            • 3.Bxb3#
            • 3.Rxe1#
        • 2.Rxb4
          • threat
            • 3.Bxb3#
      • 1...Sg6
        • 2.Rg1+
          • 2...Qxg1
            • 3.Bxb3#
      • 1...Sf7
        • 2.Bxb3+
          • 2...Qxb3
            • 3.Rg1#
      • 1...h4
        • 2.Rd4
          • threat
            • 3.Bg4#
          • 2...Qxd4
            • 3.Bxb3#

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