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Problem Display

PID: 66878 (4r3/R2PN3/2p1n3/4p3/p1kbN3/5P2/PPK1n3/4B2q w - - 0 1)

Towlson, GH

Chess, 1947

4r3/R2PN3/2p1n3/4p3/p1kbN3/5P2/PPK1n3/4B2q

#3

9 + 9

SOLUTION

SOUND
Sets
- 1...Sc5
  - 2.Sd6#
- 1...c5
  - 2.Sd6#
Keys
- 1.Ra5!
  - threat
    - 2.Sd6#
  - 1...Qxe1
    - 2.Sd6+
      - 2...Kb4
        3.Sxc6#
  - 1...Bxb2
    - 2.Sd6+
      - 2...Kd4
        3.Sef5#
        3.Bf2#
  - 1...Bg1
    - 2.Sd2+
      - 2...Kb4
        3.Sxc6#
      - 2...Kd4
        3.Sf5#
    - 2.Sd6+
      - 2...Kd4
        3.Sef5#
  - 1...Bf2
    - 2.Sd2+
      - 2...Kb4
        3.Sxc6#
      - 2...Kd4
        3.Sf5#
        3.Bxf2#
    - 2.Sd6+
      - 2...Kd4
        3.Sef5#
        3.Bxf2#
  - 1...Bc3
    - 2.Sd6+
      - 2...Kb4
        3.Sxc6#
      - 2...Kd4
        3.Sef5#
        3.Bf2#
  - 1...Be3
    - 2.Sd6+
      - 2...Kd4
        3.Sef5#
        3.Sxc6#
  - 1...Bc5
    - 2.Sd2+
      - 2...Kb4
        3.Sxc6#
      - 2...Kd4
        3.Bf2#
  - 1...Bb6
    - 2.Sd2+
      - 2...Kb4
        3.Sxc6#
      - 2...Kd4
        3.Sf5#
        3.Bf2#
    - 2.Sd6+
      - 2...Kd4
        3.Sef5#
        3.Bf2#
  - 1...Ba7
    - 2.Sd2+
      - 2...Kb4
        3.Sxc6#
      - 2...Kd4
        3.Sf5#
        3.Bf2#
    - 2.Sd6+
      - 2...Kd4
        3.Sef5#
        3.Bf2#
  - 1...Sc3
    - 2.Sd2+
      - 2...Kb4
        3.Sxc6#
    - 2.Sd6+
      - 2...Kb4
        3.Sxc6#
  - 1...Qh7
    - 2.b3+
      - 2...axb3+
        3.axb3#

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