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Problem Display

PID: 235852 (Q7/8/N7/8/n6r/2p5/p1K1p3/k3B3 w - - 0 1)

Fischer, Peter

Klug, Helmut

Freie Presse, 1966

Q7/8/N7/8/n6r/2p5/p1K1p3/k3B3

#3

4 + 6

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Rh1
  - 2.Sc5
    - threat
      - 3.Sb3#
    - 2...Sxc5
      - 3.Bxc3#
- 1...Rh2
  - 2.Sc5
    - threat
      - 3.Sb3#
    - 2...Sxc5
      - 3.Bxc3#
- 1...Rb4
  - 2.Sxb4
    - 2...Sb2
      - 3.Qxa2#
    - 2...Sc5
      - 3.Bxc3#
      - 3.Qxa2#
    - 2...Sb6
      - 3.Bxc3#
      - 3.Qxa2#
- 1...Sc5
  - 2.Bxc3#
- 1...Sb6
  - 2.Bxc3#
Tries
- 1.Sc5?
  - threat
    - 2.Sb3#
  - 1...Sxc5
    - 2.Bxc3#
  - 1...Rb4!
- 1.Bxc3+?
  - 1...Sb2
    - 2.Bxb2#
  - 1...Sxc3!
Keys
- 1.Qh1!
  - threat
    - 2.Bxc3#
  - 1...Rxh1
    - 2.Sc5
      - threat
        3.Sb3#
      - 2...Sxc5
        3.Bxc3#
  - 1...Sb2
    - 2.Bxc3+
      - 2...Rxh1
        3.Bxb2#
      - 2...e1Q
        3.Bxb2#
        3.Qxe1#
      - 2...e1S+
        3.Qxe1#
      - 2...e1B
        3.Bxb2#
        3.Qxe1#
      - 2...e1R
        3.Bxb2#
        3.Qxe1#

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