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Problem Display

PID: 228420 (8/2n5/3N4/K1N5/nP3Q2/kp6/r7/5b2 w - - 0 1)

Chewitt, WC

Toronto Globe, 1871

8/2n5/3N4/K1N5/nP3Q2/kp6/r7/5b2

#3

5 + 6

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...Bg2
  - 2.Sc4#
- 1...Bh3
  - 2.Sc4#
- 1...Bc4
  - 2.Sxc4#
- 1...Sb2
  - 2.Qxf1
    - 2...Sc4+
      - 3.Sxc4#
    - 2...Ra1
      - 3.Qxa1#
    - 2...Sd1
      - 3.Sc4#
    - 2...Sd3
      - 3.Sc4#
    - 2...Sa4
      - 3.Sc4#
    - 2...Sb5
      - 3.Sxb5#
    - 2...Sd5
      - 3.Sb5#
    - 2...Sa6
      - 3.Sb5#
    - 2...Se6
      - 3.Sb5#
    - 2...Sa8
      - 3.Sb5#
    - 2...Se8
      - 3.Sb5#
- 1...b2
  - 2.Qe3+
    - 2...Bd3
      - 3.Sc4#
    - 2...Sc3
      - 3.Qxc3#
  - 2.Qg3+
    - 2...Bd3
      - 3.Sc4#
    - 2...Sc3
      - 3.Qxc3#
  - 2.Qf3+
    - 2...Bd3
      - 3.Sc4#
    - 2...Sc3
      - 3.Qxc3#
Keys
- 1.Qc1+!
  - 1...Rb2
    - 2.Sxa4
      - threat
        3.Qxb2#
      - 2...Ka2
        3.Qxb2#
  - 1...Sb2
    - 2.Qxf1
      - 2...Sc4+
        3.Sxc4#
      - 2...Ra1
        3.Qxa1#
      - 2...Sd1
        3.Sc4#
      - 2...Sd3
        3.Sc4#
      - 2...Sa4
        3.Sc4#
      - 2...Sb5
        3.Sxb5#
      - 2...Sd5
        3.Sb5#
      - 2...Sa6
        3.Sb5#
      - 2...Se6
        3.Sb5#
      - 2...Sa8
        3.Sb5#
      - 2...Se8
        3.Sb5#
  - 1...b2
    - 2.Qe3+
      - 2...Bd3
        3.Sc4#
      - 2...Sc3
        3.Qxc3#

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