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Problem Display

PID: 247817 (8/1K6/8/k2p4/3NP3/1PP2B2/2n5/1N6 w - - 0 1)

Klark, Dmitry Vasilevich

Shakhmatny Listok, 1880

8/1K6/8/k2p4/3NP3/1PP2B2/2n5/1N6

#3

7 + 3

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Se1
  - 2.Sa3
    - threat
      - 3.Sc6#
- 1...Sa3
  - 2.Sxa3
    - 2...dxe4
      - 3.Sc4#
      - 3.Sc6#
- 1...Se3
  - 2.Sa3
    - threat
      - 3.Sc6#
- 1...Sb4
  - 2.Sa3
    - 2...dxe4
      - 3.Sc4#
    - 2...Sa2
      - 3.Sc6#
    - 2...Sc2
      - 3.Sc6#
    - 2...Sd3
      - 3.Sc6#
    - 2...Sa6
      - 3.Sc6#
    - 2...Sc6
      - 3.Sxc6#
Tries
- 1.Be2?
  - threat
    - 2.Sc6#
  - 1...Sb4
    - 2.Sa3
      - 2...dxe4
        3.Sc4#
      - 2...Sa2
        3.Sc6#
      - 2...Sc2
        3.Sc6#
      - 2...Sd3
        3.Sc6#
      - 2...Sa6
        3.Sc6#
      - 2...Sc6
        3.Sxc6#
  - 1...Sxd4!
- 1.b4+?
  - 1...Ka4
    - 2.Bd1
      - 2...dxe4
        3.Bxc2#
  - 1...Sxb4!
Keys
- 1.Bd1!
  - threat
    - 2.Bxc2
      - 2...dxe4
        3.b4#
  - 1...Sxd4
    - 2.b4+
      - 2...Kb5
        3.Sa3#
  - 1...dxe4
    - 2.Sa3
      - threat
        3.Sc4#
        3.Sc6#
      - 2...Sxa3
        3.b4#
      - 2...Sxd4
        3.b4#
    - 2.Bxc2
      - 2...e3
        3.b4#
  - 1...Sb4
    - 2.Sa3
      - 2...dxe4
        3.Sc4#
      - 2...Sa2
        3.Sc6#
      - 2...Sc2
        3.Sc6#
      - 2...Sd3
        3.Sc6#
      - 2...Sa6
        3.Sc6#
      - 2...Sc6
        3.Sxc6#

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