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Problem Display

PID: 45787 (B4Q2/P2b4/4p1P1/R2pp3/pR1pkpK1/5rp1/2P2prb/B4Nn1 w - - 0 1)

Olszewski, Peter

StrateGems, 2002

B4Q2/P2b4/4p1P1/R2pp3/pR1pkpK1/5rp1/2P2prb/B4Nn1

#3

10 + 14

SOLUTION

SOUND
Sets
- 1...Ra3
  - 2.Rxd4+
    - 2...exd4
      - 3.Qxf4#
- 1...Rb3
  - 2.Rxd4+
    - 2...exd4
      - 3.Qxf4#
- 1...Rc3
  - 2.Rxd4+
    - 2...Kxd4
      - 3.Qb4#
    - 2...exd4
      - 3.Qxf4#
- 1...Re3
  - 2.Sd2#
- 1...Bb5
  - 2.Bxd5+
    - 2...Kxd5
      - 3.a8Q#
      - 3.a8B#
    - 2...exd5
      - 3.Qf5#
- 1...Be8
  - 2.Bxd5+
    - 2...exd5
      - 3.Qf5#
Tries
- 1.Bxd4?
  - threat
    - 2.Sd2#
    - 2.Ba1#
    - 2.Bb2#
    - 2.Bxf2#
    - 2.Bc3#
    - 2.Be3#
    - 2.Bc5#
    - 2.Bb6#
  - 1...Rd3
    - 2.Bxf2+
      - 2...Rd4
        3.Sd2#
    - 2.Bxe5+
      - 2...Kxe5
        3.Qxf4#
      - 2...Rd4
        3.Qxf4#
  - 1...exd4!
- 1.Rxd5?
  - threat
    - 2.Rdxd4#
    - 2.Rxd7#
  - 1...Bc6
    - 2.Bxc6
      - threat
        3.Rdxd4#
        3.Ra5#
        3.Rdb5#
        3.Rc5#
        3.Rd6#
        3.Rd7#
        3.Rd8#
      - 2...exd5
        3.Qf5#
  - 1...exd5+!
Keys
- 1.g7!
  - threat
    - 2.g8S
      - threat
        3.Sf6#
  - 1...Rc3
    - 2.Rxd4+
      - 2...Kxd4
        3.Qb4#
      - 2...exd4
        3.Qxf4#
  - 1...Bb5
    - 2.Bxd5+
      - 2...Kxd5
        3.a8Q#
        3.a8B#
      - 2...exd5
        3.Qf5#
  - 1...Be8
    - 2.Bxd5+
      - 2...exd5
        3.Qf5#
    - 2.Qxe8
      - threat
        3.Qg6#

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