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Problem Display

PID: 240794 (4Q3/8/6PK/4B3/4BrkN/6p1/7p/8 w - - 0 1)

Konig, Antonin

Svetozor, 1875

4Q3/8/6PK/4B3/4BrkN/6p1/7p/8

#3

6 + 4

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Rxe4
  - 2.Qd7+
    - 2...Kxh4
      - 3.Bf6#
  - 2.Qe6+
    - 2...Kxh4
      - 3.Bf6#
  - 2.Qc8+
    - 2...Kxh4
      - 3.Bf6#
- 1...Rf5
  - 2.Bxf5+
    - 2...Kxh4
      - 3.Bf6#
      - 3.Qa4#
      - 3.Qe7#
      - 3.Qd8#
Tries
- 1.Bf5+?
  - 1...Kxh4
    - 2.Bf6#
    - 2.Qe7#
    - 2.Qd8#
  - 1...Rxf5!
- 1.Qd7+?
  - 1...Rf5
    - 2.Bxf5+
      - 2...Kxh4
        3.Bf6#
        3.Qa4#
        3.Qd4#
        3.Qe7#
        3.Qd8#
    - 2.Qxf5+
      - 2...Kxh4
        3.Bf6#
        3.Qh5#
  - 1...Kxh4!
- 1.Qe6+?
  - 1...Rf5
    - 2.Bxf5+
      - 2...Kxh4
        3.Bf6#
        3.Qc4#
        3.Qf6#
        3.Qe7#
    - 2.Qxf5+
      - 2...Kxh4
        3.Bf6#
        3.Qh5#
  - 1...Kxh4!
- 1.Qc8+?
  - 1...Rf5
    - 2.Bxf5+
      - 2...Kxh4
        3.Bf6#
        3.Qc4#
        3.Qd8#
    - 2.Qxf5+
      - 2...Kxh4
        3.Bf6#
        3.Qh5#
  - 1...Kxh4!
Keys
- 1.Qa4!
  - threat
    - 2.Bf5+
      - 2...Kxh4
        3.Bf6#
        3.Qxf4#
  - 1...Kh3
    - 2.Bg2+
      - 2...Kg4
        3.Qxf4#
      - 2...Kxh4
        3.Qxf4#
  - 1...Kxh4
    - 2.Bf5
      - threat
        3.Bf6#
        3.Qxf4#
      - 2...Rg4
        3.Qxg4#
  - 1...Rxe4
    - 2.Qd7+
      - 2...Kxh4
        3.Bf6#
  - 1...g2
    - 2.Bf5+
      - 2...Kg3
        3.Qxf4#
      - 2...Kxh4
        3.Qxf4#

FEATURES

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