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Problem Display

PID: 5410 (7Q/1K6/3p4/3k4/3N1p2/7B/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1992

7Q/1K6/3p4/3k4/3N1p2/7B/8/8

#3

4 + 3

SOLUTION

SOUND
Tries
- 1.Se2?
  - threat
    - 2.Qd4#
  - 1...Kc4
    - 2.Qc3+
      - 2...Kb5
        3.Bd7#
      - 2...Kd5
        3.Qd4#
  - 1...Kc5
    - 2.Qc3+
      - 2...Kb5
        3.Bd7#
      - 2...Kd5
        3.Qd4#
  - 1...Ke4!
- 1.Sb3?
  - threat
    - 2.Qd4#
  - 1...Ke4
    - 2.Qc3
      - 2...Kd5
        3.Qd4#
      - 2...f3
        3.Qd4#
      - 2...d5
        3.Sd2#
        3.Sc5#
  - 1...Kc4!
- 1.Sf3?
  - threat
    - 2.Qd4#
  - 1...Ke4
    - 2.Qc3
      - 2...Kd5
        3.Qd4#
        3.Qc6#
      - 2...d5
        3.Sd2#
        3.Sg5#
  - 1...Kc5
    - 2.Qc3+
      - 2...Kb5
        3.Bd7#
      - 2...Kd5
        3.Qd4#
        3.Qc6#
  - 1...Kc4!
- 1.Se6?
  - threat
    - 2.Qd4#
  - 1...Ke4
    - 2.Qc3
      - 2...Kd5
        3.Qd4#
      - 2...f3
        3.Qd4#
      - 2...d5
        3.Sc5#
        3.Sg5#
  - 1...Kc4!
Keys
- 1.Sb5!
  - threat
    - 2.Qd4#
  - 1...Kc4
    - 2.Qc3+
      - 2...Kxb5
        3.Bd7#
      - 2...Kd5
        3.Qd4#
  - 1...Ke4
    - 2.Qc3
      - 2...Kd5
        3.Qd4#
      - 2...f3
        3.Qd4#
      - 2...d5
        3.Sd6#
  - 1...Kc5
    - 2.Qc3+
      - 2...Kxb5
        3.Bd7#
      - 2...Kd5
        3.Qd4#

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