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Problem Display

PID: 270990 (8/5N2/3Pp1R1/2Nb4/1QpkP3/6P1/8/6K1 w - - 0 1)

Petrasinovic, Petrasin

Shakhmatnaya Poeziya, 2009

8/5N2/3Pp1R1/2Nb4/1QpkP3/6P1/8/6K1

#3

8 + 4

3713	Snap	2023

SOLUTION

SOUND
Sets
- 1...Ke3
  - 2.Qb2
    - threat
      - 3.Qf2#
    - 2...Kf3
      - 3.Qf2#
Keys
- 1.Sg5!
  - 1...Ke3
    - 2.Qb2
      - threat
        3.Qf2#
  - 1...Ke5
    - 2.Sd7+
      - 2...Kd4
        3.Qd2#
  - 1...Bxe4
    - 2.Scxe4
      - 2...Kd3
        3.Qd2#
      - 2...Ke3
        3.Qd2#
      - 2...Kd5
        3.Qc5#
      - 2...Ke5
        3.Qc5#
      - 2...e5
        3.Qd2#
  - 1...Bc6
    - 2.Sb3+
      - 2...Kd3
        3.Qd2#
      - 2...Ke3
        3.Qd2#
      - 2...Ke5
        3.Rxe6#
  - 1...Bb7
    - 2.Sb3+
      - 2...Kd3
        3.Qd2#
      - 2...Ke3
        3.Qd2#
      - 2...Ke5
        3.Rxe6#
  - 1...Ba8
    - 2.Sb3+
      - 2...Kd3
        3.Qd2#
      - 2...Ke3
        3.Qd2#
      - 2...Ke5
        3.Rxe6#
  - 1...e5
    - 2.Sb3+
      - 2...Kd3
        3.Qd2#
      - 2...Ke3
        3.Qd2#

Anticipated by 271112(2006)

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