Meson Chess Problem Database

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Problem Display

PID: 125813 (8/K7/N1Pp1PP1/1P1kpQ2/4R3/4p3/1P2P3/1qb5 w - - 0 1)

Perkins, Henry (Harry)

Lancashire Chess Problem Society, 1923

8/K7/N1Pp1PP1/1P1kpQ2/4R3/4p3/1P2P3/1qb5

#3

10 + 6

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Qa2
  - 2.Rd4+
    - 2...Kxd4
      - 3.Qd3#
- 1...Qc2
  - 2.Sc7+
    - 2...Kc5
      - 3.b4#
- 1...Qd3
  - 2.Sc7+
    - 2...Kc5
      - 3.b4#
- 1...Qa1
  - 2.Rd4+
    - 2...Kxd4
      - 3.Qd3#
Tries
- 1.Kb6?
  - threat
    - 2.Sb4#
    - 2.Sc7#
  - 1...Qxb2
    - 2.Sc7#
  - 1...Bd2
    - 2.Sc7#
  - 1...Qxe4!
- 1.Rxe5+?
  - 1...Kc4
    - 2.Qe6+
      - 2...Kd4
        3.Qd5#
      - 2...d5
        3.Qxd5#
  - 1...Kd4
    - 2.Qf4+
      - 2...Qe4
        3.Qxe4#
  - 1...dxe5!
- 1.g7?
  - threat
    - 2.g8Q#
    - 2.g8B#
  - 1...Qxb2
    - 2.g8Q#
    - 2.g8B#
  - 1...Bxb2
    - 2.g8Q#
    - 2.g8B#
  - 1...Qa2
    - 2.g8Q#
    - 2.g8B#
  - 1...Qc2
    - 2.g8Q#
    - 2.g8B#
  - 1...Qd3
    - 2.g8Q#
    - 2.g8B#
  - 1...Qa1
    - 2.g8Q#
    - 2.g8B#
  - 1...Bd2
    - 2.g8Q#
    - 2.g8B#
  - 1...Qxe4!
Keys
- 1.Rf4!
  - threat
    - 2.Qe6+
      - 2...Kxe6
        3.Sc7#
  - 1...Qxf5
    - 2.Sc7+
      - 2...Kc5
        3.b4#
  - 1...Qe4
    - 2.Qxe4+
      - 2...Ke6
        3.Sc7#
  - 1...Qa2
    - 2.Rd4+
      - 2...Kxd4
        3.Qd3#
  - 1...Qa1
    - 2.Rd4+
      - 2...Kxd4
        3.Qd3#

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