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Problem Display

PID: 143766 (2qr4/N2R4/1p1Bb3/1P2Ppb1/1pPk1pN1/1p3P2/1P2B3/2RK4 w - - 0 1)

Heyl, Peter

Troll, 2011

2qr4/N2R4/1p1Bb3/1P2Ppb1/1pPk1pN1/1p3P2/1P2B3/2RK4

#3

12 + 10

SOLUTION

SOUND
Sets
- 1...Qa6
  - 2.Sc6#
- 1...Qxc4
  - 2.Sc6+
    - 2...Kd5
      - 3.Bxc4#
    - 2...Qxc6
      - 3.Bc5#
- 1...Qc6
  - 2.Sxc6#
- 1...Qb8
  - 2.Sc6#
- 1...Bxc4
  - 2.Bc5+
    - 2...Kxc5
      - 3.Rxc4#
Tries
- 1.Ke1?
  - threat
    - 2.Rd1#
  - 1...Qxc4
    - 2.Sc6+
      - 2...Kd5
        3.Bxc4#
      - 2...Qxc6
        3.Bc5#
        3.Rd1#
  - 1...Bxc4
    - 2.Bc5+
      - 2...Kxc5
        3.Rxc4#
  - 1...fxg4
    - 2.Rd1+
      - 2...Ke3
        3.Rd3#
  - 1...Bh4+!
- 1.Bc7+?
  - 1...Rxd7
    - 2.Bxb6+
      - 2...Qc5
        3.Sc6#
  - 1...Bd5
    - 2.Sc6+
      - 2...Kc5
        3.Bd6#
        3.cxd5#
    - 2.Bxb6+
      - 2...Qc5
        3.Sc6#
  - 1...Bxd7
    - 2.Sc6+
      - 2...Kc5
        3.Bd6#
      - 2...Bxc6
        3.Bxb6#
  - 1...Kc5!
Keys
- 1.Rc3!
  - threat
    - 2.Rd3+
      - 2...Kxc4
        3.Rd2#
  - 1...Qxc4
    - 2.Sc6+
      - 2...Kd5
        3.Bxc4#
      - 2...Qxc6
        3.Bc5#
  - 1...Bxc4
    - 2.Bc5+
      - 2...Kxc5
        3.Rxc4#
  - 1...bxc3
    - 2.Bb4+
      - 2...Qxd7
        3.bxc3#
      - 2...Rxd7
        3.bxc3#
      - 2...Bd5
        3.bxc3#
      - 2...Bxd7
        3.bxc3#
  - 1...Qc7
    - 2.Rd3+
      - 2...Kxc4
        3.Rd2#
        3.Rxc7#

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