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Problem Display

PID: 27013 (1n4b1/4Rp2/pNp5/2B1P1pp/P3k2P/7p/7K/5Q2 w - - 0 1)

Blake, Percy Francis

2nd Place, British Chess Magazine, 1922

1n4b1/4Rp2/pNp5/2B1P1pp/P3k2P/7p/7K/5Q2

#3

8 + 9

SOLUTION

SOUND
Sets
- 1...Bh7
  - 2.Rxf7
    - threat
      - 3.Qe2#
    - 2...Kxe5
      - 3.Re7#
    - 2...Bf5
      - 3.Qxf5#
- 1...Sd7
  - 2.Sxd7
    - threat
      - 3.Sf6#
    - 2...Kd5
      - 3.Qd3#
    - 2...f6
      - 3.Sxf6#
- 1...g4
  - 2.Kg3
    - threat
      - 3.Qb1#
- 1...f5
  - 2.exf5 ep+
    - 2...Be6
      - 3.Rxe6#
- 1...f6
  - 2.exf6+
    - 2...Be6
      - 3.Rxe6#
Tries
- 1.Kg3?
  - threat
    - 2.Qb1#
    - 2.Qf3#
  - 1...g4
    - 2.Qb1#
  - 1...gxh4+!
- 1.Sd7?
  - threat
    - 2.Sf6#
  - 1...Kd5
    - 2.Qd3#
  - 1...f6
    - 2.Sxf6#
  - 1...Sxd7!
- 1.Rxf7?
  - threat
    - 2.Qe2#
    - 2.Qf5#
  - 1...Kxe5
    - 2.Qe2#
    - 2.Qe1#
    - 2.Qf5#
  - 1...Bh7
    - 2.Qe2#
  - 1...Bxf7!
Keys
- 1.a5!
  - threat
    - 2.Sa4
      - threat
        3.Sc3#
      - 2...Kd5
        3.Qd3#
  - 1...Bh7
    - 2.Rxf7
      - threat
        3.Qe2#
      - 2...Kxe5
        3.Re7#
      - 2...Bf5
        3.Qxf5#
  - 1...Sd7
    - 2.Sxd7
      - threat
        3.Sf6#
      - 2...Kd5
        3.Qd3#
      - 2...f6
        3.Sxf6#
  - 1...g4
    - 2.Kg3
      - threat
        3.Qb1#
  - 1...f5
    - 2.exf5 ep+
      - 2...Be6
        3.Rxe6#
  - 1...f6
    - 2.exf6+
      - 2...Be6
        3.Rxe6#

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