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Problem Display

PID: 33645 (R7/8/3p1Rp1/3pP2r/Pp1kp2p/1K2pP2/2Qp4/8 w - - 0 1)

Stepochkin, Anatoly Viktorovich

diagrammes, 1989

R7/8/3p1Rp1/3pP2r/Pp1kp2p/1K2pP2/2Qp4/8

#3

7 + 10

SOLUTION

SOUND
Keys
- 1.Ra5!
  - threat
    - 2.Qxe4+
      - 2...dxe4
        3.Rxd6#
  - 1...Rxe5
    - 2.Rxd6
      - threat
        3.Qc4#
      - 2...Rf5
        3.Qxe4#
      - 2...Rg5
        3.Qxe4#
      - 2...Rh5
        3.Qxe4#
      - 2...Re6
        3.Raxd5#
        3.Rdxd5#
      - 2...Re7
        3.Raxd5#
        3.Rdxd5#
      - 2...Re8
        3.Raxd5#
        3.Rdxd5#
      - 2...e2
        3.Qxd2#
      - 2...d1Q
        3.Qxd1#
      - 2...d1B
        3.Qxd1#
  - 1...exf3
    - 2.Rf4+
      - 2...Kxe5
        3.Qe4#
  - 1...dxe5
    - 2.Rb5
      - threat
        3.Rxb4#
      - 2...e2
        3.Qxd2#
    - 2.Rxd5+
      - 2...Kxd5
        3.Qc4#
    - 2.Rb6
      - threat
        3.Rxb4#
      - 2...e2
        3.Qxd2#
    - 2.Rd6
      - threat
        3.Raxd5#
        3.Rdxd5#
        3.Qxe4#
        3.Qc4#
    - 2.Qxe4+
      - 2...dxe4
        3.Rd6#
  - 1...e2
    - 2.Qxd2+
      - 2...Kxe5
        3.Qb2#
  - 1...d1Q
    - 2.Qxd1+
      - 2...Kxe5
        3.Qa1#
  - 1...d1B
    - 2.Qxd1+
      - 2...Kxe5
        3.Qa1#

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