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Problem Display

PID: 200075 (7B/2bK4/3p4/R1pk2p1/2rpRPp1/1N1Bnr2/b3n1N1/8 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

The Macedonian Problemist, 2001

7B/2bK4/3p4/R1pk2p1/2rpRPp1/1N1Bnr2/b3n1N1/8

#3

8 + 12

SOLUTION

SOUND
Sets
- 1...Rf1
  - 2.Rxd4+
    - 2...Rxd4
      - 3.Sxe3#
    - 2...Sxd4
      - 3.Sxe3#
- 1...Rf2
  - 2.Rxd4+
    - 2...Rxd4
      - 3.Sxe3#
    - 2...Sxd4
      - 3.Sxe3#
- 1...Rxf4
  - 2.Rxd4+
    - 2...Rcxd4
      - 3.Sxe3#
    - 2...Rfxd4
      - 3.Sxe3#
    - 2...Sxd4
      - 3.Sxe3#
- 1...Ra4
  - 2.Re5+
    - 2...dxe5
      - 3.Rxc5#
- 1...Rb4
  - 2.Re5+
    - 2...dxe5
      - 3.Rxc5#
- 1...Bxa5
  - 2.Re6
    - threat
      - 3.Be4#
      - 3.Rxd6#
- 1...Bb6
  - 2.Re6
    - threat
      - 3.Be4#
      - 3.Rxd6#
- 1...Bd8
  - 2.Re6
    - threat
      - 3.Be4#
      - 3.Rxd6#
Tries
- 1.Rxc5+?
  - 1...dxc5
    - 2.Kxc7
      - threat
        3.Re5#
  - 1...Rxc5!
Keys
- 1.Sd2!
  - threat
    - 2.Re5+
      - 2...dxe5
        3.Be4#
  - 1...Rxf4
    - 2.Rxd4+
      - 2...Rcxd4
        3.Sxe3#
      - 2...Rfxd4
        3.Sxe3#
      - 2...Sxd4
        3.Sxe3#
  - 1...Bb1
    - 2.Sxe3+
      - 2...Rxe3
        3.Bxc4#
      - 2...dxe3
        3.Bxc4#
  - 1...Sc3
    - 2.Bxc4+
      - 2...Bxc4
        3.Rxd4#
      - 2...Sxc4
        3.Rxd4#
  - 1...Sg3
    - 2.Bxc4+
      - 2...Bxc4
        3.Rxd4#
      - 2...Sxc4
        3.Rxd4#

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