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Problem Display

PID: 14887 (2k5/K2n4/4N3/n7/1N6/8/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1956

2k5/K2n4/4N3/n7/1N6/8/8/8

#3

3 + 3

3713	Snap	2017

SOLUTION

SOUND
Sets
- 1...Sb3
  - 2.Sd5
    - threat
      - 3.Se7#
    - 2...Sdc5
      - 3.Sb6#
    - 2...Se5
      - 3.Sb6#
    - 2...Sb6
      - 3.Sxb6#
    - 2...Sf6
      - 3.Sb6#
    - 2...Sb8
      - 3.Sb6#
    - 2...Sf8
      - 3.Sb6#
- 1...Sb7
  - 2.Sd5
    - threat
      - 3.Se7#
    - 2...Sdc5
      - 3.Sb6#
    - 2...Se5
      - 3.Sb6#
    - 2...Sb6
      - 3.Sxb6#
    - 2...Sf6
      - 3.Sb6#
    - 2...Sb8
      - 3.Sb6#
    - 2...Sf8
      - 3.Sb6#
Keys
- 1.Sd5!
  - threat
    - 2.Se7#
  - 1...Sc6+
    - 2.Ka8
      - 2...Sb6+
        3.Sxb6#
      - 2...Sc5
        3.Sb6#
      - 2...Sde5
        3.Sb6#
      - 2...Sf6
        3.Sb6#
      - 2...Sdb8
        3.Sb6#
      - 2...Sf8
        3.Sb6#
      - 2...Sb4
        3.Se7#
      - 2...Sd4
        3.Se7#
      - 2...Sa5
        3.Se7#
      - 2...Sce5
        3.Se7#
      - 2...Sa7
        3.Se7#
      - 2...Se7
        3.Sxe7#
      - 2...Scb8
        3.Se7#
      - 2...Sd8
        3.Se7#

This anticipates 164281(1970)

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