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Problem Display

PID: 165005 (k3r3/B3p3/1Qp5/8/8/N7/8/1K6 w - - 0 1)

Muller, Dieter

Novi Temi, 1980

k3r3/B3p3/1Qp5/8/8/N7/8/1K6

#3

4 + 4

SOLUTION

SOUND
Sets
- 1...Rb8
  - 2.Qxb8#
Tries
- 1.Qa6?
  - threat
    - 2.Sc4
      - threat
        3.Sb6#
      - 2...Rb8+
        3.Bb6#
    - 2.Bd4+
      - 2...Kb8
        3.Be5#
  - 1...Rc8
    - 2.Sc4
      - threat
        3.Sb6#
      - 2...Rb8+
        3.Bb6#
    - 2.Bg1+
      - 2...Kb8
        3.Qa7#
    - 2.Bf2+
      - 2...Kb8
        3.Qa7#
    - 2.Be3+
      - 2...Kb8
        3.Qa7#
    - 2.Bd4+
      - 2...Kb8
        3.Qa7#
    - 2.Bc5+
      - 2...Kb8
        3.Qa7#
    - 2.Bb6+
      - 2...Kb8
        3.Qa7#
  - 1...Rf8
    - 2.Bd4+
      - 2...Kb8
        3.Be5#
  - 1...Rg8
    - 2.Bd4+
      - 2...Kb8
        3.Be5#
  - 1...Rh8
    - 2.Bd4+
      - 2...Kb8
        3.Be5#
  - 1...c5
    - 2.Sc4
      - threat
        3.Sb6#
      - 2...Rb8+
        3.Bb6#
    - 2.Sb5
      - threat
        3.Sc7#
        3.Qc6#
      - 2...Rb8
        3.Bxc5#
        3.Bb6#
      - 2...Rc8
        3.Qxc8#
  - 1...e5
    - 2.Sc4
      - threat
        3.Sb6#
      - 2...Rb8+
        3.Bb6#
    - 2.Bc5+
      - 2...Kb8
        3.Bd6#
  - 1...Rd8!
Keys
- 1.Sb5!
  - threat
    - 2.Sc7#
    - 2.Qxc6#
  - 1...cxb5
    - 2.Bb8
      - threat
        3.Qa7#
      - 2...Rxb8
        3.Qa6#
  - 1...Rc8
    - 2.Sc7+
      - 2...Rxc7
        3.Qb8#
    - 2.Bb8
      - threat
        3.Qa7#
      - 2...Rc7
        3.Sxc7#

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