Meson Chess Problem Database

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Problem Display

PID: 29112 (8/2N2p2/P7/1pkpR2B/2N5/P1P1P3/2K5/8 w - - 0 1)

Yerhoff, F

Chess, 1937

8/2N2p2/P7/1pkpR2B/2N5/P1P1P3/2K5/8

#3

9 + 4

SOLUTION

SOUND
Sets
- 1...Kxc4
  - 2.Rxd5
    - threat
      - 3.Be2#
- 1...f5
  - 2.Se6+
    - 2...Kxc4
      - 3.Be2#
    - 2...Kc6
      - 3.Be8#
- 1...f6
  - 2.Se6+
    - 2...Kxc4
      - 3.Be2#
    - 2...Kc6
      - 3.Be8#
Tries
- 1.Rxd5+?
  - 1...Kxc4
    - 2.Be2#
  - 1...Kc6!
Keys
- 1.Re6!
  - 1...bxc4
    - 2.Bxf7
      - 2...d4
        3.cxd4#
        3.exd4#
    - 2.Rf6
      - 2...d4
        3.cxd4#
        3.exd4#
  - 1...dxc4
    - 2.Bxf7
      - 2...b4
        3.axb4#
        3.cxb4#
    - 2.Rf6
      - 2...b4
        3.axb4#
        3.cxb4#
  - 1...fxe6
    - 2.Sxe6+
      - 2...Kxc4
        3.Be2#
      - 2...Kc6
        3.Be8#
  - 1...b4
    - 2.axb4+
      - 2...Kxc4
        3.Be2#
        3.Rc6#
    - 2.cxb4+
      - 2...Kxc4
        3.Be2#
        3.Rc6#
  - 1...d4
    - 2.cxd4+
      - 2...Kxc4
        3.Be2#
        3.Rc6#
    - 2.exd4+
      - 2...Kxc4
        3.Be2#
        3.Rc6#
  - 1...f5
    - 2.Sa5
      - threat
        3.Rc6#
    - 2.Se5
      - threat
        3.Rc6#
    - 2.Be8
      - threat
        3.Rc6#
      - 2...Kxc4
        3.Rc6#
  - 1...f6
    - 2.Sa5
      - threat
        3.Rc6#
    - 2.Be8
      - threat
        3.Rc6#
      - 2...Kxc4
        3.Rc6#

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