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Problem Display

PID: 210463 (K7/pNk5/2p5/PpP2Bp1/1R1P1pP1/1P3P2/8/4B3 w - - 0 1)

Martindale, Frank W

Chess Problems - Martindale, FW, 1872

K7/pNk5/2p5/PpP2Bp1/1R1P1pP1/1P3P2/8/4B3

#4

11 + 6

6490	yacpdb	2020

SOLUTION

SOUND
Keys
- 1.Rc4!
  - threat
    - 2.Rc2
      - threat
        3.Re2
        threat
        4.Re7#
        3.Rh2
        threat
        4.Rh7#
      - 2...b4
        3.Re2
        3...a6
        4.Re7#
        3.Rh2
        3...a6
        4.Rh7#
      - 2...a6
        3.Re2
        3...b4
        4.Re7#
        3.Rh2
        3...b4
        4.Rh7#
    - 2.Rc3
      - threat
        3.Re3
        threat
        4.Re7#
        3...fxe3
        4.Bg3#
  - 1...bxc4
    - 2.Kxa7
      - 2...cxb3
        3.a6
        3...b2
        4.Ba5#
      - 2...c3
        3.a6
        3...c2
        4.Ba5#
    - 2.a6
      - threat
        3.Ba5#
      - 2...c3
        3.Kxa7
        3...c2
        4.Ba5#
        3.Be6
        3...c2
        4.Ba5#
  - 1...a6
    - 2.Rc3
      - 2...b4
        3.Re3
        3...fxe3
        4.Bg3#
  - 1...b4
    - 2.Rc3
      - threat
        3.Re3
        threat
        4.Re7#
        3...fxe3
        4.Bg3#
      - 2...bxc3
        3.a6
        3...c2
        4.Ba5#
      - 2...a6
        3.Re3
        3...fxe3
        4.Bg3#

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