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Problem Display

PID: 1195 (1n4B1/2p2q1r/p1NPrp1p/K1B5/Q2Nk1Pp/1RP3P1/p3PP2/7b w - - 0 1)

Nanning, Frederik Willem

The Problemist Supplement, 1994

1n4B1/2p2q1r/p1NPrp1p/K1B5/Q2Nk1Pp/1RP3P1/p3PP2/7b

#3

13 + 12

SOLUTION

SOUND
Sets
- 1...Kd5
  - 2.c4+
    - 2...Ke4
      - 3.Re3#
    - 2...Kxc5
      - 3.Qb4#
- 1...Sxc6+
  - 2.Qxc6+
    - 2...Ke5
      - 3.f4#
Tries
- 1.c4?
  - threat
    - 2.Re3#
  - 1...Sxc6+
    - 2.Qxc6+
      - 2...Ke5
        3.f4#
  - 1...hxg3!
Keys
- 1.Ba3!
  - threat
    - 2.Sxe6+
      - 2...Kd5
        3.Sf4#
        3.Sxc7#
  - 1...Qh5+
    - 2.Sf5+
      - 2...Kd5
        3.Se3#
  - 1...Re5+
    - 2.Sb5+
      - 2...Kd5
        3.Sxc7#
      - 2...Qc4
        3.Qxc4#
  - 1...Sxc6+
    - 2.Qxc6+
      - 2...Ke5
        3.f4#
  - 1...Kd5
    - 2.c4+
      - 2...Ke4
        3.Re3#
  - 1...Qxg8
    - 2.Sxe6+
      - 2...Kd5
        3.Sf4#
  - 1...Rxd6
    - 2.Se6+
      - 2...Kd5
        3.Sf4#
        3.Sxc7#
      - 2...Rd4
        3.Qxd4#
  - 1...cxd6
    - 2.Sxe6+
      - 2...Kd5
        3.Sf4#
        3.Sc7#
  - 1...Qg7
    - 2.Sc2+
      - 2...Kd5
        3.Se3#
    - 2.Sf3+
      - 2...Kd5
        3.e4#
    - 2.Sf5+
      - 2...Kd5
        3.Se3#
    - 2.Sxe6+
      - 2...Kd5
        3.Sf4#
        3.Sxc7#
        3.Sxg7#
  - 1...Re7
    - 2.Se6+
      - 2...Kd5
        3.Sf4#
  - 1...Re8
    - 2.Sb5+
      - 2...Kd5
        3.Sxc7#
      - 2...Qc4
        3.Qxc4#
    - 2.Se6+
      - 2...Kd5
        3.Sf4#
        3.Sxc7#

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