Problem Display
PID: 25085 (4B2b/2p1Rp2/2R3bp/2Pk2pN/r5n1/pKpp4/Nn1Q1B2/2r5 w - - 0 1)

Bouma, Gerhard Johan

3rd Prize, British Chess Magazine, 1964

4B2b/2p1Rp2/2R3bp/2Pk2pN/r5n1/pKpp4/Nn1Q1B2/2r5

#3

9 + 14


3747 FIDE Album (1962-1964) 1968

SOLUTION


  • SOUND
  • Sets
    • 1...Rb4+
      • 2.Sxb4#
    • 1...Rf4
      • 2.Sxf4+
        • 2...gxf4
          • 3.Sb4#
      • 2.Qxf4
        • threat
          • 3.Sb4#
    • 1...Ra5
      • 2.Sb4#
    • 1...Ra6
      • 2.Sb4#
    • 1...Ra7
      • 2.Sb4#
    • 1...Ra8
      • 2.Sb4#
  • Tries
    • 1.Sf4+?
      • 1...Rxf4
        • 2.Qxf4
          • threat
            • 3.Sb4#
      • 1...gxf4!
  • Keys
    • 1.Rcxc7!
      • threat
        • 2.Bc6#
      • 1...Sxf2
        • 2.Qe3
          • threat
            • 3.Bc6#
            • 3.Red7#
          • 2...Rb4+
            • 3.Sxb4#
          • 2...Ra6
            • 3.Sb4#
      • 1...Se3
        • 2.Qxe3
          • threat
            • 3.Bc6#
            • 3.Red7#
          • 2...Rb4+
            • 3.Sxb4#
          • 2...Ra6
            • 3.Sb4#
      • 1...Se5
        • 2.Bc6+
          • 2...Sxc6
            • 3.Rcd7#
      • 1...Rd4
        • 2.Qxc3
          • threat
            • 3.Bc6#
          • 2...Rxc3+
            • 3.Sxc3#
          • 2...Rb4+
            • 3.Sxb4#
          • 2...Se5
            • 3.Qxd4#
          • 2...Sc4
            • 3.Sb4#
      • 1...Bd4
        • 2.Qf4
          • threat
            • 3.Qd6#
          • 2...Rb4+
            • 3.Sxb4#
          • 2...Bxc5
            • 3.Bc6#
            • 3.Rxc5#
          • 2...gxf4
            • 3.Sxf4#
          • 2...Ra6
            • 3.Sb4#
            • 3.Qxd4#
          • 2...Be5
            • 3.Bc6#
          • 2...Sc4
            • 3.Qxd4#
          • 2...Se5
            • 3.Sf6#

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