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Problem Display

PID: 166083 (7B/3B1pN1/K2p1q2/3k2b1/R7/2PN1P2/2R1n3/1b6 w - - 0 1)

Colaneri, Bruno

Troll, 2017

7B/3B1pN1/K2p1q2/3k2b1/R7/2PN1P2/2R1n3/1b6

#3

9 + 7

SOLUTION

SOUND
Sets
- 1...Qd4
  - 2.Rxd4+
    - 2...Sxd4
      - 3.c4#
- 1...Qe7
  - 2.Rd4+
    - 2...Sxd4
      - 3.c4#
- 1...Qd8
  - 2.Rd4+
    - 2...Sxd4
      - 3.c4#
- 1...Qf5
  - 2.Rd4+
    - 2...Sxd4
      - 3.c4#
- 1...Qe6
  - 2.Sxe6
    - threat
      - 3.Sc7#
      - 3.c4#
  - 2.Rd4+
    - 2...Sxd4
      - 3.c4#
- 1...Qg6
  - 2.Rd4+
    - 2...Sxd4
      - 3.c4#
- 1...Qh6
  - 2.Se6
    - threat
      - 3.Sc7#
      - 3.c4#
  - 2.Se8
    - threat
      - 3.Sc7#
      - 3.c4#
  - 2.Rd4+
    - 2...Sxd4
      - 3.c4#
- 1...Be3
  - 2.Sf5
    - threat
      - 3.Sxe3#
      - 3.c4#
    - 2...Qd4
      - 3.Se7#
- 1...Sd4
  - 2.c4#
Tries
- 1.Se6?
  - threat
    - 2.Sc7#
    - 2.c4#
  - 1...Qxc3
    - 2.Sc7+
      - 2...Qxc7
        3.Sb4#
  - 1...fxe6!
- 1.Rd4+?
  - 1...Sxd4
    - 2.c4#
  - 1...Qxd4!
Keys
- 1.Se8!
  - threat
    - 2.Sc7#
  - 1...Qxc3
    - 2.Sc7+
      - 2...Qxc7
        3.Sb4#

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