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Problem Display

PID: 73813 (4R3/8/2qp1N2/3bpN2/8/PpBk4/1p6/1K2Q3 w - - 0 1)

Prokubek, Harald

2nd HM., Freie Presse, 1993

4R3/8/2qp1N2/3bpN2/8/PpBk4/1p6/1K2Q3

#3

7 + 7

6113	Problemschach-Jahrbuch (1993)	1994

SOLUTION

SOUND
Sets
- 1...Qa4
  - 2.Se3
    - threat
      - 3.Qd2#
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Qb5
  - 2.Se3
    - threat
      - 3.Qd2#
  - 2.Sxd6
    - threat
      - 3.Qd2#
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Qb7
  - 2.Se3
    - threat
      - 3.Qd2#
  - 2.Sxd6
    - threat
      - 3.Qd2#
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Qd7
  - 2.Se3
    - threat
      - 3.Qd2#
- 1...Qa8
  - 2.Se3
    - threat
      - 3.Qd2#
  - 2.Sxd6
    - threat
      - 3.Qd2#
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Qxe8
  - 2.Se3
    - threat
      - 3.Qd2#
  - 2.Sxd6
    - threat
      - 3.Qd2#
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Qxc3
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Qc4
  - 2.Qd2#
  - 2.Qe3#
- 1...Qa6
  - 2.Se3
    - threat
      - 3.Qd2#
- 1...Qc8
  - 2.Qe3+
    - 2...Kc4
      - 3.Sxd6#
- 1...Bc4
  - 2.Qd2#
  - 2.Qe3#
Keys
- 1.Rc8!
  - threat
    - 2.Qe3+
      - 2...Kc4
        3.Sxd6#
  - 1...Kc4
    - 2.Qe2+
      - 2...Kxc3
        3.Sxd5#
      - 2...Kc5
        3.Sd7#
  - 1...Qc5
    - 2.Qd2+
      - 2...Kc4
        3.Sxd6#
  - 1...Be4
    - 2.Qf1+
      - 2...Kxc3+
        3.Sxe4#

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