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Problem Display

PID: 174455 (5K2/4pp2/3R2p1/3pk3/1n5N/p7/4Npp1/1QR2b2 w - - 0 1)

Amirov, Talip Khasanovich

2nd Prize, Busmen's Chess Review, 1971-1972

5K2/4pp2/3R2p1/3pk3/1n5N/p7/4Npp1/1QR2b2

#3

6 + 10

SOLUTION

SOUND
Sets
- 1...Kxd6
  - 2.Qxb4+
    - 2...Ke5
      - 3.Qxe7#
    - 2...Ke6
      - 3.Qxe7#
    - 2...Kd7
      - 3.Qxe7#
Tries
- 1.Kxf7?
  - threat
    - 2.Re6#
  - 1...Kxd6
    - 2.Qxb4+
      - 2...Ke5
        3.Qxe7#
        3.Qf4#
      - 2...Kd7
        3.Qxe7#
  - 1...d4
    - 2.Re6+
      - 2...Kd5
        3.Sf4#
        3.Qe4#
        3.Qb3#
    - 2.Qxb4
      - threat
        3.Qxd4#
      - 2...Ke4
        3.Qxd4#
      - 2...d3
        3.Qd4#
        3.Qf4#
  - 1...Bxe2!
- 1.Qa1+?
  - 1...Ke4
    - 2.Qd4#
  - 1...d4
    - 2.Qxd4#
  - 1...Kxd6!
- 1.Qb2+?
  - 1...Kxd6
    - 2.Qxb4+
      - 2...Ke5
        3.Qxe7#
      - 2...Ke6
        3.Qxe7#
      - 2...Kd7
        3.Qxe7#
  - 1...axb2!
Keys
- 1.Qb3!
  - threat
    - 2.Qe3+
      - 2...Kxd6
        3.Qxe7#
  - 1...Ke4
    - 2.Qf3+
      - 2...Ke5
        3.Qf4#
  - 1...Kxd6
    - 2.Qxb4+
      - 2...Ke5
        3.Qxe7#
      - 2...Ke6
        3.Qxe7#
      - 2...Kd7
        3.Qxe7#
  - 1...exd6
    - 2.Qe3+
      - 2...Kf6
        3.Qe7#
  - 1...e6
    - 2.Qc3+
      - 2...Ke4
        3.Qd4#
      - 2...Kxd6
        3.Qc7#
      - 2...d4
        3.Qxd4#
  - 1...d4
    - 2.Qg3+
      - 2...Ke4
        3.Rxd4#

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