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Problem Display

PID: 93697 (2N1b3/6n1/p3p1p1/QnpkN1K1/2pp4/2pp1P2/8/8 w - - 0 1)

Cisar, Vaclav

Parallele 50, 1950

2N1b3/6n1/p3p1p1/QnpkN1K1/2pp4/2pp1P2/8/8

#3

5 + 12

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Sa3
  - 2.Qc7
    - threat
      - 3.Sb6#
      - 3.Se7#
      - 3.Qd6#
- 1...Sd6
  - 2.Sb6+
    - 2...Kxe5
      - 3.Qxc5#
  - 2.Se7+
    - 2...Kxe5
      - 3.Qxc5#
- 1...Sc7
  - 2.Qxc7
    - threat
      - 3.Sb6#
      - 3.Se7#
      - 3.Qd6#
Tries
- 1.Qb6?
  - threat
    - 2.Se7+
      - 2...Kxe5
        3.Qxc5#
  - 1...Bc6
    - 2.Qxc6+
      - 2...Kxe5
        3.Qe4#
        3.Qxc5#
        3.f4#
  - 1...Sf5!
- 1.Qc7?
  - threat
    - 2.Sb6#
    - 2.Se7#
  - 1...Sd6
    - 2.Qxd6#
  - 1...Sf5
    - 2.Sb6#
  - 1...Sxc7!
Keys
- 1.Qa2!
  - threat
    - 2.Qxc4+
      - 2...Kxe5
        3.Qxc5#
  - 1...Kxe5
    - 2.Qh2+
      - 2...Kd5
        3.Se7#
  - 1...Bc6
    - 2.Sxc4
      - threat
        3.S8b6#
        3.Se7#
      - 2...e5
        3.Se3#
        3.S4b6#
  - 1...Sa3
    - 2.Qg2
      - threat
        3.f4#
      - 2...Kxe5
        3.f4#
  - 1...Sd6
    - 2.Sb6+
      - 2...Kxe5
        3.Qh2#
    - 2.Se7+
      - 2...Kxe5
        3.Qh2#
  - 1...Sc7
    - 2.Qg2
      - threat
        3.f4#
      - 2...Kxe5
        3.f4#

FEATURES

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