Problem Display
PID: 187140 (8/1R1p3p/3PN1RP/8/2kPB3/5n2/1P1p1P2/3K4 w - - 0 1)

Challenger, Alfred Clement

The Observer, 1934

(First published on Sun Oct 28 1934)

8/1R1p3p/3PN1RP/8/2kPB3/5n2/1P1p1P2/3K4

#3

10 + 5


15239 Valois Notebooks 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Bd5+?
      • 1...Kd3
        • 2.Rb3#
      • 1...Kxd5!
    • 1.Rg3?
      • 1...Sxd4
        • 2.Rc3#
      • 1...Se1
        • 2.Rc3#
        • 2.b3#
      • 1...Sg1
        • 2.Rc3#
        • 2.b3#
      • 1...Sh2
        • 2.Rc3#
        • 2.b3#
      • 1...Sh4
        • 2.Rc3#
        • 2.b3#
      • 1...Se5
        • 2.Rc3#
        • 2.b3#
      • 1...Sg5
        • 2.Rc3#
        • 2.b3#
      • 1...dxe6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sd3
          • threat
            • 3.Rb4#
          • 2...Kxd4
            • 3.Rb4#
      • 1...Kxd4
        • 2.Rb4+
          • 2...Kc5
            • 3.Sd3#
          • 2...Ke5
            • 3.Sd3#
      • 1...Sxd4
        • 2.Bd5+
          • 2...Kc5
            • 3.b4#
      • 1...Se1
        • 2.Se2
          • threat
            • 3.b3#
      • 1...Se5
        • 2.Se2
          • threat
            • 3.b3#
      • 1...Sg5
        • 2.Rxg5
          • 2...Kxd4
            • 3.Rb4#

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