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Problem Display

PID: 226581 (n7/2p1B3/2P5/1P1p2pr/3k2p1/3B3P/2P5/4Q1K1 w - - 0 1)

Elkhan, Alexander A

Tidskrift for Schack, 1910

n7/2p1B3/2P5/1P1p2pr/3k2p1/3B3P/2P5/4Q1K1

#3

8 + 7

SOLUTION

SOUND
Sets
- 1...Sb6
  - 2.Bf6+
    - 2...Kc5
      - 3.Qe7#
- 1...gxh3
  - 2.Kf2
    - threat
      - 3.Qa1#
- 1...g3
  - 2.Bf1
    - threat
      - 3.c3#
Tries
- 1.Qd2?
  - threat
    - 2.Bg6+
      - 2...Kc4
        3.Qb4#
        3.Qd3#
      - 2...Ke5
        3.Qe3#
    - 2.Bh7+
      - 2...Kc4
        3.Qb4#
        3.Qd3#
      - 2...Ke5
        3.Qe3#
    - 2.c3+
      - 2...Ke5
        3.Qe3#
  - 1...Rh7
    - 2.Bg6+
      - 2...Kc4
        3.Qb4#
        3.Qd3#
      - 2...Ke5
        3.Qe3#
    - 2.Bxh7+
      - 2...Kc4
        3.Qb4#
        3.Qd3#
      - 2...Ke5
        3.Qe3#
    - 2.c3+
      - 2...Ke5
        3.Qe3#
  - 1...Rxh3!
- 1.Qf2+?
  - 1...Ke5
    - 2.Qe3#
    - 2.Qf6#
  - 1...Kc3!
- 1.Qe4+?
  - 1...Kc3
    - 2.Qb4#
  - 1...dxe4!
Keys
- 1.Kg2!
  - 1...gxh3+
    - 2.Kf2
      - threat
        3.Qa1#
  - 1...Rxh3
    - 2.Qa1+
      - 2...Ke3
        3.Bxg5#
  - 1...Rh4
    - 2.Qa1+
      - 2...Ke3
        3.Bxg5#
  - 1...Rh6
    - 2.Qa1+
      - 2...Ke3
        3.Bxg5#
  - 1...Rh7
    - 2.Qa1+
      - 2...Ke3
        3.Bxg5#
  - 1...Rh8
    - 2.Qa1+
      - 2...Ke3
        3.Bxg5#
  - 1...Sb6
    - 2.Bf6+
      - 2...Kc5
        3.Qe7#
  - 1...g3
    - 2.Bf1
      - threat
        3.c3#

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Developed and maintained by Brian Stephenson.
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