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Problem Display

PID: 140960 (6R1/2bN1p1n/3R2p1/2N2kpr/5np1/rB3bKp/4pQ2/8 w - - 0 1)

Onkoud, Abdelaziz

1st HM., Ryan-55 JT (Maroc Echecs), 2011

6R1/2bN1p1n/3R2p1/2N2kpr/5np1/rB3bKp/4pQ2/8

#3

7 + 13

SOLUTION

SOUND
Sets
- 1...Ra1
  - 2.Bc2+
    - 2...Be4
      - 3.Bxe4#
    - 2...Sd3
      - 3.Bxd3#
- 1...Ra5
  - 2.Bc2+
    - 2...Be4
      - 3.Bxe4#
    - 2...Sd3
      - 3.Bxd3#
- 1...Ra6
  - 2.Bc2+
    - 2...Be4
      - 3.Bxe4#
    - 2...Sd3
      - 3.Bxd3#
- 1...Ra7
  - 2.Bc2+
    - 2...Be4
      - 3.Bxe4#
    - 2...Sd3
      - 3.Bxd3#
- 1...Ra8
  - 2.Bc2+
    - 2...Be4
      - 3.Bxe4#
    - 2...Sd3
      - 3.Bxd3#
- 1...Bd5
  - 2.Rxd5+
    - 2...Be5
      - 3.Rxe5#
- 1...Sg2
  - 2.Bc2+
    - 2...Rd3
      - 3.Bxd3#
- 1...Sd5
  - 2.Bc2+
    - 2...Rd3
      - 3.Bxd3#
- 1...Se6
  - 2.Bc2+
    - 2...Rd3
      - 3.Bxd3#
- 1...Sf6
  - 2.Rxf6#
- 1...Sf8
  - 2.Rf6#
Keys
- 1.Rf8!
  - threat
    - 2.Rxf7+
      - 2...Sf6
        3.Rdxf6#
        3.Rfxf6#
  - 1...Bxd6
    - 2.Rxf7+
      - 2...Sf6
        3.Rxf6#
  - 1...Ra6
    - 2.Bc2+
      - 2...Be4
        3.Bxe4#
      - 2...Sd3
        3.Bxd3#
    - 2.Rxf7+
      - 2...Sf6
        3.Rfxf6#
  - 1...Bd5
    - 2.Rxd5+
      - 2...Be5
        3.Rxe5#
  - 1...Bd8
    - 2.Be6+
      - 2...Sxe6
        3.Rd5#
  - 1...Sd5
    - 2.Bc2+
      - 2...Rd3
        3.Bxd3#
  - 1...f6
    - 2.Rdxf6+
      - 2...Sxf6
        3.Rxf6#
    - 2.Rfxf6+
      - 2...Sxf6
        3.Rxf6#

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