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Problem Display

PID: 212066 (8/8/1K6/5PN1/2pkBQ1p/7p/8/8 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2018

8/8/1K6/5PN1/2pkBQ1p/7p/8/8

#4

5 + 4

SOLUTION

SOUND
Keys
- 1.Qh2!
  - 1...Kc3
    - 2.Kc5
      - 2...Kb3
        3.Bb1
        3...Ka3
        4.Qa2#
        3...Kc3
        4.Qc2#
        3...Ka4
        4.Qa2#
        3...c3
        4.Qa2#
  - 1...Ke3
    - 2.Kc6
      - 2...Kd4
        3.Qd2+
        3...Ke5
        4.Qd6#
      - 2...c3
        3.Bc2
        3...Kd4
        4.Qf4#
  - 1...c3
    - 2.Bc2
      - threat
        3.Qf4+
        3...Kd5
        4.Bb3#
      - 2...Ke3
        3.Kc6
        3...Kd4
        4.Qf4#
      - 2...Kc4
        3.Qf4+
        3...Kd5
        4.Bb3#
        3.Qc7+
        3...Kb4
        4.Qc5#
        3...Kd4
        4.Qc5#
        3...Kd5
        4.Qc5#
        3.Qg1
        threat
        4.Qc5#
        3...Kb4
        4.Qc5#
        3...Kd5
        4.Qc5#
        3.Qe5
        threat
        4.Qe4#
        4.Qc5#
        3...Kb4
        4.Qc5#
        3.Qd6
        3...h2
        4.Qc5#
        3.Qf2
        threat
        4.Qc5#
        3...Kb4
        4.Qc5#
        3...Kd5
        4.Qc5#
      - 2...Kd5
        3.Qf4
        3...h2
        4.Bb3#
        3.Qc7
        threat
        4.Qc5#
        3...Kd4
        4.Qc5#

FEATURES

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Developed and maintained by Brian Stephenson.
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