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Problem Display

PID: 47620 (2n5/4p3/2P1knK1/2P3p1/3P2P1/8/6Q1/8 w - - 0 1)

Halberstadt, Vitali

1st Prize, Themes-64, 1956

2n5/4p3/2P1knK1/2P3p1/3P2P1/8/6Q1/8

#4

6 + 5

4872	Themes-64	1957

SOLUTION

SOUND
Keys
- 1.Qh1!
  - 1...Sd6
    - 2.Qf3
      - 2...Sxg4
        3.Qb3+
        3...Sc4
        4.Qxc4#
      - 2...Sfe4
        3.Qb3+
        3...Sc4
        4.Qxc4#
      - 2...Sd5
        3.Qf5+
        3...Sxf5
        4.gxf5#
      - 2...Sh5
        3.Qb3+
        3...Sc4
        4.Qxc4#
        3.Kxh5
        3...Se4
        4.Qf5#
        3...Sf5
        4.Qxf5#
        3...Sc4
        4.Qf5#
        3...Sb5
        4.Qf5#
        3...Sb7
        4.Qf5#
        3...Sf7
        4.Qf5#
        3...Sc8
        4.Qf5#
        3...Se8
        4.Qf5#
      - 2...Sd7
        3.Qb3+
        3...Sc4
        4.Qxc4#
      - 2...Sh7
        3.Qb3+
        3...Sc4
        4.Qxc4#
        3.Kxh7
        3...Se4
        4.Qf5#
        3...Sf5
        4.Qxf5#
        3...Sc4
        4.Qf5#
        3...Sb5
        4.Qf5#
        3...Sb7
        4.Qf5#
        3...Sf7
        4.Qf5#
        3...Sc8
        4.Qf5#
        3...Se8
        4.Qf5#
      - 2...Sfe8
        3.Qb3+
        3...Sc4
        4.Qxc4#
      - 2...Sg8
        3.Qb3+
        3...Sc4
        4.Qxc4#

FEATURES

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