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Problem Display

PID: 257541 (2Q5/pp3n1q/3p3p/N2k2p1/R2Bpp2/3n4/b3B2K/8 w - - 0 1)

Makaronets, Leonid

Astafyeva-30 JT (Kudesnik), 2021

2Q5/pp3n1q/3p3p/N2k2p1/R2Bpp2/3n4/b3B2K/8

#3

6 + 12

SOLUTION

SOUND
Sets
- 1...Qg8
  - 2.Qxb7+
    - 2...Ke6
      - 3.Bg4#
- 1...Qg7
  - 2.Qxb7+
    - 2...Ke6
      - 3.Bg4#
- 1...Qh8
  - 2.Qxb7+
    - 2...Ke6
      - 3.Bg4#
- 1...Bb1
  - 2.Qc4#
- 1...Bc4
  - 2.Qxc4#
Keys
- 1.Bc3!
  - threat
    - 2.Rd4+
      - 2...Ke5
        3.Rxd3#
  - 1...f3
    - 2.Sc4
      - threat
        3.Se3#
      - 2...Bxc4
        3.Qxc4#
      - 2...e3
        3.Sxe3#
  - 1...Qg7
    - 2.Qxb7+
      - 2...Kc5
        3.Qc6#
      - 2...Ke6
        3.Bg4#
  - 1...Qh8
    - 2.Qxb7+
      - 2...Kc5
        3.Qc6#
      - 2...Ke6
        3.Bg4#
  - 1...Sc1
    - 2.Bc4+
      - 2...Bxc4
        3.Qxc4#
    - 2.Rd4+
      - 2...Ke5
        3.Rd1#
        3.Rd2#
        3.Rd3#
  - 1...Se1
    - 2.Bc4+
      - 2...Bxc4
        3.Qxc4#
    - 2.Rd4+
      - 2...Ke5
        3.Rd1#
        3.Rd2#
        3.Rd3#
  - 1...Sb2
    - 2.Rd4+
      - 2...Ke5
        3.Rd1#
        3.Rd2#
        3.Rd3#
  - 1...Sf2
    - 2.Bc4+
      - 2...Bxc4
        3.Qxc4#
    - 2.Rd4+
      - 2...Ke5
        3.Rd1#
        3.Rd2#
        3.Rd3#
  - 1...Sb4
    - 2.Bc4+
      - 2...Bxc4
        3.Qxc4#
  - 1...Sc5
    - 2.Rd4+
      - 2...Ke5
        3.Rd1#
        3.Rd2#
        3.Rd3#
  - 1...e3
    - 2.Bf3+
      - 2...Qe4
        3.Bxe4#

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